./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label44.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/eca-rers2012/Problem11_label44.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 f1077bb355a584e2f609035802d978c056cb6ae4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2021-07-04 19:49:37,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 19:49:37,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 19:49:37,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 19:49:37,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 19:49:37,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 19:49:37,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 19:49:37,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 19:49:37,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 19:49:37,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 19:49:37,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 19:49:37,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 19:49:37,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 19:49:37,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 19:49:37,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 19:49:37,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 19:49:37,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 19:49:37,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 19:49:37,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 19:49:37,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 19:49:37,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 19:49:37,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 19:49:37,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 19:49:37,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 19:49:37,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 19:49:37,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 19:49:37,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 19:49:37,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 19:49:37,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 19:49:37,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 19:49:37,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 19:49:37,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 19:49:37,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 19:49:37,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 19:49:37,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 19:49:37,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 19:49:37,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 19:49:37,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 19:49:37,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 19:49:37,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 19:49:37,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 19:49:37,886 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-04 19:49:37,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 19:49:37,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 19:49:37,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 19:49:37,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 19:49:37,918 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 19:49:37,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 19:49:37,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 19:49:37,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-04 19:49:37,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 19:49:37,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 19:49:37,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 19:49:37,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 19:49:37,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 19:49:37,920 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 19:49:37,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 19:49:37,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 19:49:37,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 19:49:37,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 19:49:37,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 19:49:37,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 19:49:37,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 19:49:37,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 19:49:37,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 19:49:37,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 19:49:37,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-04 19:49:37,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-04 19:49:37,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 19:49:37,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 19:49:37,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1077bb355a584e2f609035802d978c056cb6ae4 [2021-07-04 19:49:38,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 19:49:38,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 19:49:38,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 19:49:38,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 19:49:38,236 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 19:49:38,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-07-04 19:49:38,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d8b0635/08a06ab252f2495c84bbba575247dd93/FLAG5d1ac94d5 [2021-07-04 19:49:38,731 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 19:49:38,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2021-07-04 19:49:38,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d8b0635/08a06ab252f2495c84bbba575247dd93/FLAG5d1ac94d5 [2021-07-04 19:49:39,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98d8b0635/08a06ab252f2495c84bbba575247dd93 [2021-07-04 19:49:39,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 19:49:39,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 19:49:39,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 19:49:39,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 19:49:39,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 19:49:39,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ae770d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39, skipping insertion in model container [2021-07-04 19:49:39,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 19:49:39,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 19:49:39,217 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/eca-rers2012/Problem11_label44.c[3841,3854] [2021-07-04 19:49:39,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 19:49:39,446 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 19:49:39,458 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/eca-rers2012/Problem11_label44.c[3841,3854] [2021-07-04 19:49:39,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 19:49:39,602 INFO L208 MainTranslator]: Completed translation [2021-07-04 19:49:39,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39 WrapperNode [2021-07-04 19:49:39,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 19:49:39,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 19:49:39,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 19:49:39,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 19:49:39,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 19:49:39,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 19:49:39,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 19:49:39,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 19:49:39,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 19:49:39,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 19:49:39,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 19:49:39,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 19:49:39,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (1/1) ... [2021-07-04 19:49:39,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 19:49:39,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 19:49:39,894 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) [2021-07-04 19:49:39,901 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 [2021-07-04 19:49:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-04 19:49:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 19:49:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 19:49:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 19:49:41,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 19:49:41,194 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-04 19:49:41,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 07:49:41 BoogieIcfgContainer [2021-07-04 19:49:41,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 19:49:41,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 19:49:41,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 19:49:41,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 19:49:41,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 07:49:39" (1/3) ... [2021-07-04 19:49:41,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aaf1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 07:49:41, skipping insertion in model container [2021-07-04 19:49:41,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 07:49:39" (2/3) ... [2021-07-04 19:49:41,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aaf1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 07:49:41, skipping insertion in model container [2021-07-04 19:49:41,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 07:49:41" (3/3) ... [2021-07-04 19:49:41,209 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2021-07-04 19:49:41,213 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 19:49:41,213 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 19:49:41,254 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 19:49:41,260 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 [2021-07-04 19:49:41,261 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 19:49:41,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:41,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-04 19:49:41,285 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:41,285 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, 1, 1, 1, 1] [2021-07-04 19:49:41,285 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:41,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:41,291 INFO L82 PathProgramCache]: Analyzing trace with hash 678582746, now seen corresponding path program 1 times [2021-07-04 19:49:41,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:41,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352902045] [2021-07-04 19:49:41,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:41,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:41,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:41,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:41,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:41,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 19:49:41,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:41,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352902045] [2021-07-04 19:49:41,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352902045] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:41,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:41,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-04 19:49:41,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555151107] [2021-07-04 19:49:41,465 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:41,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:41,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:41,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:41,476 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-07-04 19:49:42,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:42,375 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-07-04 19:49:42,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:42,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 [2021-07-04 19:49:42,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:42,385 INFO L225 Difference]: With dead ends: 776 [2021-07-04 19:49:42,385 INFO L226 Difference]: Without dead ends: 413 [2021-07-04 19:49:42,388 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:42,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-07-04 19:49:42,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-07-04 19:49:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-07-04 19:49:42,451 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 26 [2021-07-04 19:49:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:42,451 INFO L442 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-07-04 19:49:42,451 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-07-04 19:49:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-07-04 19:49:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-07-04 19:49:42,457 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:42,457 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:42,457 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-04 19:49:42,457 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:42,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:42,460 INFO L82 PathProgramCache]: Analyzing trace with hash -308519566, now seen corresponding path program 1 times [2021-07-04 19:49:42,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:42,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940588421] [2021-07-04 19:49:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:42,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:42,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:42,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:42,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:42,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 19:49:42,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:42,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940588421] [2021-07-04 19:49:42,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940588421] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:42,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:42,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-04 19:49:42,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821286047] [2021-07-04 19:49:42,577 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:42,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:42,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:42,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:42,578 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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) [2021-07-04 19:49:43,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:43,213 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-07-04 19:49:43,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:43,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 94 [2021-07-04 19:49:43,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:43,217 INFO L225 Difference]: With dead ends: 1209 [2021-07-04 19:49:43,217 INFO L226 Difference]: Without dead ends: 800 [2021-07-04 19:49:43,218 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:43,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-07-04 19:49:43,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-07-04 19:49:43,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:43,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-07-04 19:49:43,234 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 94 [2021-07-04 19:49:43,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:43,234 INFO L442 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-07-04 19:49:43,234 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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) [2021-07-04 19:49:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-07-04 19:49:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-07-04 19:49:43,236 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:43,236 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:43,236 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-04 19:49:43,236 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:43,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:43,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1570751308, now seen corresponding path program 1 times [2021-07-04 19:49:43,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:43,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48897788] [2021-07-04 19:49:43,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:43,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:43,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:43,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-04 19:49:43,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 19:49:43,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:43,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48897788] [2021-07-04 19:49:43,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48897788] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:43,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:43,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-04 19:49:43,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922599229] [2021-07-04 19:49:43,331 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:43,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:43,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:43,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:43,333 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-07-04 19:49:43,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:43,926 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2021-07-04 19:49:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:43,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 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 95 [2021-07-04 19:49:43,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:43,930 INFO L225 Difference]: With dead ends: 1942 [2021-07-04 19:49:43,930 INFO L226 Difference]: Without dead ends: 1157 [2021-07-04 19:49:43,931 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:43,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-07-04 19:49:43,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-07-04 19:49:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:43,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-07-04 19:49:43,951 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 95 [2021-07-04 19:49:43,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:43,952 INFO L442 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-07-04 19:49:43,952 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-07-04 19:49:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-07-04 19:49:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-07-04 19:49:43,958 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:43,958 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:43,958 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-04 19:49:43,958 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:43,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:43,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1640918838, now seen corresponding path program 1 times [2021-07-04 19:49:43,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:43,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440718589] [2021-07-04 19:49:43,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:43,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:44,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:44,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:44,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:44,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:44,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:44,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 19:49:44,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:44,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440718589] [2021-07-04 19:49:44,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440718589] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:44,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:44,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:44,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170062415] [2021-07-04 19:49:44,068 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:44,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:44,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:44,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:44,070 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-07-04 19:49:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:44,706 INFO L93 Difference]: Finished difference Result 2691 states and 3515 transitions. [2021-07-04 19:49:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:44,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 138 [2021-07-04 19:49:44,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:44,711 INFO L225 Difference]: With dead ends: 2691 [2021-07-04 19:49:44,711 INFO L226 Difference]: Without dead ends: 1721 [2021-07-04 19:49:44,713 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:44,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-07-04 19:49:44,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2021-07-04 19:49:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.261296660117878) internal successors, (1926), 1527 states have internal predecessors, (1926), 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) [2021-07-04 19:49:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1926 transitions. [2021-07-04 19:49:44,731 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1926 transitions. Word has length 138 [2021-07-04 19:49:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:44,732 INFO L442 AbstractCegarLoop]: Abstraction has 1528 states and 1926 transitions. [2021-07-04 19:49:44,732 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-07-04 19:49:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1926 transitions. [2021-07-04 19:49:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-07-04 19:49:44,733 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:44,733 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:44,733 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-04 19:49:44,734 INFO L374 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:44,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:44,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1821693585, now seen corresponding path program 1 times [2021-07-04 19:49:44,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:44,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633334739] [2021-07-04 19:49:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:44,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:44,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:44,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:44,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:44,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 19:49:44,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:44,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633334739] [2021-07-04 19:49:44,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633334739] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:44,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:44,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-04 19:49:44,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847814482] [2021-07-04 19:49:44,786 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:44,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:44,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:44,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:44,794 INFO L87 Difference]: Start difference. First operand 1528 states and 1926 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 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) [2021-07-04 19:49:45,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:45,408 INFO L93 Difference]: Finished difference Result 4158 states and 5316 transitions. [2021-07-04 19:49:45,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:45,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 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 153 [2021-07-04 19:49:45,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:45,416 INFO L225 Difference]: With dead ends: 4158 [2021-07-04 19:49:45,416 INFO L226 Difference]: Without dead ends: 2632 [2021-07-04 19:49:45,418 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:45,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2021-07-04 19:49:45,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2448. [2021-07-04 19:49:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 2447 states have (on average 1.2174090723334696) internal successors, (2979), 2447 states have internal predecessors, (2979), 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) [2021-07-04 19:49:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2979 transitions. [2021-07-04 19:49:45,459 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 2979 transitions. Word has length 153 [2021-07-04 19:49:45,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:45,460 INFO L442 AbstractCegarLoop]: Abstraction has 2448 states and 2979 transitions. [2021-07-04 19:49:45,460 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 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) [2021-07-04 19:49:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2979 transitions. [2021-07-04 19:49:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-07-04 19:49:45,462 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:45,463 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:45,464 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-04 19:49:45,464 INFO L374 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:45,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:45,464 INFO L82 PathProgramCache]: Analyzing trace with hash -935191055, now seen corresponding path program 1 times [2021-07-04 19:49:45,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:45,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897096442] [2021-07-04 19:49:45,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:45,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:45,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:45,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:45,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:45,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-07-04 19:49:45,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:45,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897096442] [2021-07-04 19:49:45,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897096442] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:45,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:45,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-04 19:49:45,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846167218] [2021-07-04 19:49:45,522 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:45,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:45,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:45,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:45,523 INFO L87 Difference]: Start difference. First operand 2448 states and 2979 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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) [2021-07-04 19:49:46,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:46,101 INFO L93 Difference]: Finished difference Result 5452 states and 6620 transitions. [2021-07-04 19:49:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:46,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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 169 [2021-07-04 19:49:46,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:46,108 INFO L225 Difference]: With dead ends: 5452 [2021-07-04 19:49:46,108 INFO L226 Difference]: Without dead ends: 3006 [2021-07-04 19:49:46,110 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:46,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3006 states. [2021-07-04 19:49:46,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3006 to 3005. [2021-07-04 19:49:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 3004 states have (on average 1.2113848202396804) internal successors, (3639), 3004 states have internal predecessors, (3639), 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) [2021-07-04 19:49:46,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 3639 transitions. [2021-07-04 19:49:46,141 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 3639 transitions. Word has length 169 [2021-07-04 19:49:46,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:46,142 INFO L442 AbstractCegarLoop]: Abstraction has 3005 states and 3639 transitions. [2021-07-04 19:49:46,142 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 2 states have internal predecessors, (147), 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) [2021-07-04 19:49:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3639 transitions. [2021-07-04 19:49:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-07-04 19:49:46,144 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:46,144 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:46,144 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-04 19:49:46,144 INFO L374 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:46,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:46,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1693187880, now seen corresponding path program 1 times [2021-07-04 19:49:46,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:46,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728941868] [2021-07-04 19:49:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:46,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:46,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:46,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:46,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:46,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:46,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:46,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-07-04 19:49:46,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:46,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728941868] [2021-07-04 19:49:46,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728941868] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:46,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:46,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:46,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90965695] [2021-07-04 19:49:46,224 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:46,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:46,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:46,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:46,225 INFO L87 Difference]: Start difference. First operand 3005 states and 3639 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-07-04 19:49:46,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:46,891 INFO L93 Difference]: Finished difference Result 7867 states and 9621 transitions. [2021-07-04 19:49:46,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:46,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 207 [2021-07-04 19:49:46,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:46,902 INFO L225 Difference]: With dead ends: 7867 [2021-07-04 19:49:46,902 INFO L226 Difference]: Without dead ends: 4864 [2021-07-04 19:49:46,905 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4864 states. [2021-07-04 19:49:46,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4864 to 4312. [2021-07-04 19:49:46,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 4311 states have (on average 1.2090002319647413) internal successors, (5212), 4311 states have internal predecessors, (5212), 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) [2021-07-04 19:49:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 5212 transitions. [2021-07-04 19:49:46,953 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 5212 transitions. Word has length 207 [2021-07-04 19:49:46,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:46,953 INFO L442 AbstractCegarLoop]: Abstraction has 4312 states and 5212 transitions. [2021-07-04 19:49:46,953 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-07-04 19:49:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 5212 transitions. [2021-07-04 19:49:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-07-04 19:49:46,955 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:46,955 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:46,955 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-04 19:49:46,955 INFO L374 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:46,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:46,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1390697047, now seen corresponding path program 1 times [2021-07-04 19:49:46,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:46,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890235313] [2021-07-04 19:49:46,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:46,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:47,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:47,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:47,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:47,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:47,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-07-04 19:49:47,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:47,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890235313] [2021-07-04 19:49:47,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890235313] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:47,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:47,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:47,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755855811] [2021-07-04 19:49:47,042 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:47,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:47,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:47,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:47,043 INFO L87 Difference]: Start difference. First operand 4312 states and 5212 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-07-04 19:49:47,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:47,732 INFO L93 Difference]: Finished difference Result 9553 states and 11556 transitions. [2021-07-04 19:49:47,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:47,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 208 [2021-07-04 19:49:47,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:47,749 INFO L225 Difference]: With dead ends: 9553 [2021-07-04 19:49:47,750 INFO L226 Difference]: Without dead ends: 5057 [2021-07-04 19:49:47,756 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:47,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5057 states. [2021-07-04 19:49:47,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5057 to 4862. [2021-07-04 19:49:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4862 states, 4861 states have (on average 1.172803949804567) internal successors, (5701), 4861 states have internal predecessors, (5701), 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) [2021-07-04 19:49:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4862 states to 4862 states and 5701 transitions. [2021-07-04 19:49:47,820 INFO L78 Accepts]: Start accepts. Automaton has 4862 states and 5701 transitions. Word has length 208 [2021-07-04 19:49:47,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:47,821 INFO L442 AbstractCegarLoop]: Abstraction has 4862 states and 5701 transitions. [2021-07-04 19:49:47,821 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-07-04 19:49:47,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4862 states and 5701 transitions. [2021-07-04 19:49:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-07-04 19:49:47,825 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:47,825 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:47,825 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-04 19:49:47,825 INFO L374 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:47,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:47,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1642008009, now seen corresponding path program 1 times [2021-07-04 19:49:47,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:47,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857490387] [2021-07-04 19:49:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:47,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:47,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:47,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:47,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:47,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:47,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:47,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-07-04 19:49:47,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:47,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857490387] [2021-07-04 19:49:47,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857490387] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:47,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:47,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:47,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91245521] [2021-07-04 19:49:47,920 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:47,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:47,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:47,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:47,921 INFO L87 Difference]: Start difference. First operand 4862 states and 5701 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-07-04 19:49:48,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:48,563 INFO L93 Difference]: Finished difference Result 11398 states and 13373 transitions. [2021-07-04 19:49:48,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:48,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 228 [2021-07-04 19:49:48,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:48,578 INFO L225 Difference]: With dead ends: 11398 [2021-07-04 19:49:48,579 INFO L226 Difference]: Without dead ends: 6354 [2021-07-04 19:49:48,582 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:48,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6354 states. [2021-07-04 19:49:48,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6354 to 6150. [2021-07-04 19:49:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6150 states, 6149 states have (on average 1.160676532769556) internal successors, (7137), 6149 states have internal predecessors, (7137), 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) [2021-07-04 19:49:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6150 states to 6150 states and 7137 transitions. [2021-07-04 19:49:48,659 INFO L78 Accepts]: Start accepts. Automaton has 6150 states and 7137 transitions. Word has length 228 [2021-07-04 19:49:48,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:48,659 INFO L442 AbstractCegarLoop]: Abstraction has 6150 states and 7137 transitions. [2021-07-04 19:49:48,659 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-07-04 19:49:48,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6150 states and 7137 transitions. [2021-07-04 19:49:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-07-04 19:49:48,662 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:48,662 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:48,662 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-04 19:49:48,663 INFO L374 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:48,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:48,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1092521934, now seen corresponding path program 1 times [2021-07-04 19:49:48,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:48,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523550853] [2021-07-04 19:49:48,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:48,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:48,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:48,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:48,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:48,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:48,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:48,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-07-04 19:49:48,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:48,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523550853] [2021-07-04 19:49:48,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523550853] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:48,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:48,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:48,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949909966] [2021-07-04 19:49:48,736 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:48,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:48,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:48,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:48,737 INFO L87 Difference]: Start difference. First operand 6150 states and 7137 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-07-04 19:49:49,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:49,440 INFO L93 Difference]: Finished difference Result 12485 states and 14467 transitions. [2021-07-04 19:49:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:49,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 235 [2021-07-04 19:49:49,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:49,454 INFO L225 Difference]: With dead ends: 12485 [2021-07-04 19:49:49,454 INFO L226 Difference]: Without dead ends: 6337 [2021-07-04 19:49:49,459 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:49,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6337 states. [2021-07-04 19:49:49,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6337 to 6149. [2021-07-04 19:49:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6149 states, 6148 states have (on average 1.144925178919974) internal successors, (7039), 6148 states have internal predecessors, (7039), 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) [2021-07-04 19:49:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 7039 transitions. [2021-07-04 19:49:49,533 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 7039 transitions. Word has length 235 [2021-07-04 19:49:49,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:49,534 INFO L442 AbstractCegarLoop]: Abstraction has 6149 states and 7039 transitions. [2021-07-04 19:49:49,534 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2021-07-04 19:49:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 7039 transitions. [2021-07-04 19:49:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-07-04 19:49:49,538 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:49,538 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:49,538 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-04 19:49:49,539 INFO L374 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:49,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:49,539 INFO L82 PathProgramCache]: Analyzing trace with hash 192944744, now seen corresponding path program 1 times [2021-07-04 19:49:49,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:49,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386210991] [2021-07-04 19:49:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:49,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:49,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:49,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:49,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:49,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-04 19:49:49,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:49,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:49,627 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 19:49:49,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:49,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386210991] [2021-07-04 19:49:49,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386210991] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:49,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:49,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:49,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511239555] [2021-07-04 19:49:49,629 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-04 19:49:49,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:49,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-04 19:49:49,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-04 19:49:49,630 INFO L87 Difference]: Start difference. First operand 6149 states and 7039 transitions. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 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) [2021-07-04 19:49:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:50,791 INFO L93 Difference]: Finished difference Result 17473 states and 19956 transitions. [2021-07-04 19:49:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-04 19:49:50,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 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 244 [2021-07-04 19:49:50,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:50,818 INFO L225 Difference]: With dead ends: 17473 [2021-07-04 19:49:50,819 INFO L226 Difference]: Without dead ends: 11326 [2021-07-04 19:49:50,823 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-04 19:49:50,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11326 states. [2021-07-04 19:49:50,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11326 to 10955. [2021-07-04 19:49:50,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10955 states, 10954 states have (on average 1.1326456089099872) internal successors, (12407), 10954 states have internal predecessors, (12407), 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) [2021-07-04 19:49:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10955 states to 10955 states and 12407 transitions. [2021-07-04 19:49:50,935 INFO L78 Accepts]: Start accepts. Automaton has 10955 states and 12407 transitions. Word has length 244 [2021-07-04 19:49:50,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:50,936 INFO L442 AbstractCegarLoop]: Abstraction has 10955 states and 12407 transitions. [2021-07-04 19:49:50,936 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 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) [2021-07-04 19:49:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 10955 states and 12407 transitions. [2021-07-04 19:49:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-07-04 19:49:50,939 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:50,940 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:50,940 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-04 19:49:50,940 INFO L374 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:50,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:50,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1616620059, now seen corresponding path program 1 times [2021-07-04 19:49:50,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:50,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387657339] [2021-07-04 19:49:50,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:50,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:51,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:51,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:51,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:51,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:51,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:51,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-07-04 19:49:51,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:51,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387657339] [2021-07-04 19:49:51,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387657339] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:51,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:51,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:51,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640507585] [2021-07-04 19:49:51,020 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:51,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:51,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:51,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:51,020 INFO L87 Difference]: Start difference. First operand 10955 states and 12407 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:51,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:51,636 INFO L93 Difference]: Finished difference Result 21542 states and 24436 transitions. [2021-07-04 19:49:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:51,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2021-07-04 19:49:51,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:51,657 INFO L225 Difference]: With dead ends: 21542 [2021-07-04 19:49:51,658 INFO L226 Difference]: Without dead ends: 11881 [2021-07-04 19:49:51,668 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:51,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11881 states. [2021-07-04 19:49:51,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11881 to 10955. [2021-07-04 19:49:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10955 states, 10954 states have (on average 1.1326456089099872) internal successors, (12407), 10954 states have internal predecessors, (12407), 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) [2021-07-04 19:49:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10955 states to 10955 states and 12407 transitions. [2021-07-04 19:49:51,784 INFO L78 Accepts]: Start accepts. Automaton has 10955 states and 12407 transitions. Word has length 258 [2021-07-04 19:49:51,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:51,784 INFO L442 AbstractCegarLoop]: Abstraction has 10955 states and 12407 transitions. [2021-07-04 19:49:51,785 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 10955 states and 12407 transitions. [2021-07-04 19:49:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-07-04 19:49:51,789 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:51,789 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:51,789 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-04 19:49:51,790 INFO L374 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:51,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:51,791 INFO L82 PathProgramCache]: Analyzing trace with hash 292208959, now seen corresponding path program 1 times [2021-07-04 19:49:51,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:51,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660314463] [2021-07-04 19:49:51,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:51,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:51,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:51,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:51,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:51,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:51,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:51,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-07-04 19:49:51,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:51,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660314463] [2021-07-04 19:49:51,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660314463] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:51,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:51,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:51,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323514473] [2021-07-04 19:49:51,882 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-04 19:49:51,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:51,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-04 19:49:51,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-04 19:49:51,883 INFO L87 Difference]: Start difference. First operand 10955 states and 12407 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 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) [2021-07-04 19:49:53,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:53,099 INFO L93 Difference]: Finished difference Result 30023 states and 34289 transitions. [2021-07-04 19:49:53,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-04 19:49:53,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 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 261 [2021-07-04 19:49:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:53,123 INFO L225 Difference]: With dead ends: 30023 [2021-07-04 19:49:53,123 INFO L226 Difference]: Without dead ends: 19438 [2021-07-04 19:49:53,136 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-04 19:49:53,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19438 states. [2021-07-04 19:49:53,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19438 to 19058. [2021-07-04 19:49:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19058 states, 19057 states have (on average 1.130923020412447) internal successors, (21552), 19057 states have internal predecessors, (21552), 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) [2021-07-04 19:49:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19058 states to 19058 states and 21552 transitions. [2021-07-04 19:49:53,402 INFO L78 Accepts]: Start accepts. Automaton has 19058 states and 21552 transitions. Word has length 261 [2021-07-04 19:49:53,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:53,403 INFO L442 AbstractCegarLoop]: Abstraction has 19058 states and 21552 transitions. [2021-07-04 19:49:53,403 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 3 states have internal predecessors, (195), 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) [2021-07-04 19:49:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 19058 states and 21552 transitions. [2021-07-04 19:49:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-07-04 19:49:53,408 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:53,409 INFO L525 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:53,409 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-04 19:49:53,409 INFO L374 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:53,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:53,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1189826963, now seen corresponding path program 1 times [2021-07-04 19:49:53,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:53,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981317739] [2021-07-04 19:49:53,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:53,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:53,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:53,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:53,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:53,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 19:49:53,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:53,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-07-04 19:49:53,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:53,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981317739] [2021-07-04 19:49:53,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981317739] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:53,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:53,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:53,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432366279] [2021-07-04 19:49:53,502 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:53,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:53,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:53,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:53,503 INFO L87 Difference]: Start difference. First operand 19058 states and 21552 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2021-07-04 19:49:54,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:54,192 INFO L93 Difference]: Finished difference Result 39029 states and 44169 transitions. [2021-07-04 19:49:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:54,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 301 [2021-07-04 19:49:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:54,211 INFO L225 Difference]: With dead ends: 39029 [2021-07-04 19:49:54,212 INFO L226 Difference]: Without dead ends: 22185 [2021-07-04 19:49:54,220 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:54,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22185 states. [2021-07-04 19:49:54,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22185 to 15369. [2021-07-04 19:49:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15369 states, 15368 states have (on average 1.137558563248308) internal successors, (17482), 15368 states have internal predecessors, (17482), 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) [2021-07-04 19:49:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15369 states to 15369 states and 17482 transitions. [2021-07-04 19:49:54,389 INFO L78 Accepts]: Start accepts. Automaton has 15369 states and 17482 transitions. Word has length 301 [2021-07-04 19:49:54,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:54,389 INFO L442 AbstractCegarLoop]: Abstraction has 15369 states and 17482 transitions. [2021-07-04 19:49:54,389 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2021-07-04 19:49:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 15369 states and 17482 transitions. [2021-07-04 19:49:54,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-07-04 19:49:54,393 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:54,393 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:54,393 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-04 19:49:54,394 INFO L374 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:54,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:54,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1064230659, now seen corresponding path program 1 times [2021-07-04 19:49:54,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:54,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941510644] [2021-07-04 19:49:54,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:54,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:54,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:54,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:54,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:54,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:54,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:54,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-07-04 19:49:54,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:54,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941510644] [2021-07-04 19:49:54,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941510644] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:54,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:54,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:54,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591216721] [2021-07-04 19:49:54,466 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:54,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:54,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:54,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:54,467 INFO L87 Difference]: Start difference. First operand 15369 states and 17482 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:55,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:55,200 INFO L93 Difference]: Finished difference Result 32944 states and 37535 transitions. [2021-07-04 19:49:55,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:55,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 301 [2021-07-04 19:49:55,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:55,222 INFO L225 Difference]: With dead ends: 32944 [2021-07-04 19:49:55,222 INFO L226 Difference]: Without dead ends: 17945 [2021-07-04 19:49:55,234 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:55,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17945 states. [2021-07-04 19:49:55,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17945 to 15170. [2021-07-04 19:49:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15170 states, 15169 states have (on average 1.1147076273979828) internal successors, (16909), 15169 states have internal predecessors, (16909), 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) [2021-07-04 19:49:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15170 states to 15170 states and 16909 transitions. [2021-07-04 19:49:55,399 INFO L78 Accepts]: Start accepts. Automaton has 15170 states and 16909 transitions. Word has length 301 [2021-07-04 19:49:55,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:55,399 INFO L442 AbstractCegarLoop]: Abstraction has 15170 states and 16909 transitions. [2021-07-04 19:49:55,400 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 15170 states and 16909 transitions. [2021-07-04 19:49:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-07-04 19:49:55,406 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:55,406 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:55,407 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-04 19:49:55,407 INFO L374 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:55,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:55,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1313485887, now seen corresponding path program 1 times [2021-07-04 19:49:55,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:55,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903167959] [2021-07-04 19:49:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:55,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:55,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:55,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-04 19:49:55,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:55,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-07-04 19:49:55,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:55,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903167959] [2021-07-04 19:49:55,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903167959] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:55,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:55,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-04 19:49:55,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095429721] [2021-07-04 19:49:55,486 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:55,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:55,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:55,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:55,487 INFO L87 Difference]: Start difference. First operand 15170 states and 16909 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:55,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:55,873 INFO L93 Difference]: Finished difference Result 29222 states and 32587 transitions. [2021-07-04 19:49:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:55,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 308 [2021-07-04 19:49:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:55,885 INFO L225 Difference]: With dead ends: 29222 [2021-07-04 19:49:55,885 INFO L226 Difference]: Without dead ends: 14422 [2021-07-04 19:49:55,893 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14422 states. [2021-07-04 19:49:55,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14422 to 14420. [2021-07-04 19:49:56,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14420 states, 14419 states have (on average 1.1131146404050212) internal successors, (16050), 14419 states have internal predecessors, (16050), 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) [2021-07-04 19:49:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14420 states to 14420 states and 16050 transitions. [2021-07-04 19:49:56,021 INFO L78 Accepts]: Start accepts. Automaton has 14420 states and 16050 transitions. Word has length 308 [2021-07-04 19:49:56,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:56,022 INFO L442 AbstractCegarLoop]: Abstraction has 14420 states and 16050 transitions. [2021-07-04 19:49:56,022 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 19:49:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 14420 states and 16050 transitions. [2021-07-04 19:49:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-07-04 19:49:56,030 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:56,030 INFO L525 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:56,030 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-04 19:49:56,031 INFO L374 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:56,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:56,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1486952426, now seen corresponding path program 1 times [2021-07-04 19:49:56,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:56,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234610260] [2021-07-04 19:49:56,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:56,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:56,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:56,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:56,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:56,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:56,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:56,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-07-04 19:49:56,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:56,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234610260] [2021-07-04 19:49:56,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234610260] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:56,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:56,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:56,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725917713] [2021-07-04 19:49:56,110 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:56,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:56,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:56,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:56,111 INFO L87 Difference]: Start difference. First operand 14420 states and 16050 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-07-04 19:49:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:56,871 INFO L93 Difference]: Finished difference Result 32157 states and 35844 transitions. [2021-07-04 19:49:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:56,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 330 [2021-07-04 19:49:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:56,890 INFO L225 Difference]: With dead ends: 32157 [2021-07-04 19:49:56,891 INFO L226 Difference]: Without dead ends: 18107 [2021-07-04 19:49:56,902 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:56,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18107 states. [2021-07-04 19:49:57,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18107 to 15530. [2021-07-04 19:49:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15530 states, 15529 states have (on average 1.1029042436731278) internal successors, (17127), 15529 states have internal predecessors, (17127), 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) [2021-07-04 19:49:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15530 states to 15530 states and 17127 transitions. [2021-07-04 19:49:57,099 INFO L78 Accepts]: Start accepts. Automaton has 15530 states and 17127 transitions. Word has length 330 [2021-07-04 19:49:57,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:57,099 INFO L442 AbstractCegarLoop]: Abstraction has 15530 states and 17127 transitions. [2021-07-04 19:49:57,100 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-07-04 19:49:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 15530 states and 17127 transitions. [2021-07-04 19:49:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-07-04 19:49:57,108 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 19:49:57,108 INFO L525 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 19:49:57,108 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-04 19:49:57,108 INFO L374 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 19:49:57,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 19:49:57,109 INFO L82 PathProgramCache]: Analyzing trace with hash -842788195, now seen corresponding path program 1 times [2021-07-04 19:49:57,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 19:49:57,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284426116] [2021-07-04 19:49:57,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 19:49:57,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 19:49:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 19:49:57,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:57,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:57,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:57,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 19:49:57,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 19:49:57,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 19:49:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-07-04 19:49:57,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 19:49:57,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284426116] [2021-07-04 19:49:57,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284426116] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 19:49:57,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 19:49:57,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 19:49:57,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359127199] [2021-07-04 19:49:57,205 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 19:49:57,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 19:49:57,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 19:49:57,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:57,207 INFO L87 Difference]: Start difference. First operand 15530 states and 17127 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2021-07-04 19:49:57,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 19:49:57,898 INFO L93 Difference]: Finished difference Result 31976 states and 35270 transitions. [2021-07-04 19:49:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 19:49:57,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 337 [2021-07-04 19:49:57,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 19:49:57,899 INFO L225 Difference]: With dead ends: 31976 [2021-07-04 19:49:57,899 INFO L226 Difference]: Without dead ends: 0 [2021-07-04 19:49:57,911 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 19:49:57,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-04 19:49:57,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-04 19:49:57,912 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) [2021-07-04 19:49:57,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-04 19:49:57,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2021-07-04 19:49:57,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 19:49:57,912 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-04 19:49:57,913 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2021-07-04 19:49:57,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-04 19:49:57,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-04 19:49:57,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-04 19:49:57,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 19:49:57,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 19:49:58,085 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 161 [2021-07-04 19:49:58,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 19:49:58,238 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 161 [2021-07-04 19:49:58,795 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 55 [2021-07-04 19:49:59,322 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 55 [2021-07-04 19:49:59,326 INFO L762 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-07-04 19:49:59,326 INFO L762 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,326 INFO L762 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-07-04 19:49:59,326 INFO L762 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,326 INFO L762 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,327 INFO L762 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,328 INFO L762 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,329 INFO L762 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,330 INFO L762 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,330 INFO L762 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,330 INFO L762 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-07-04 19:49:59,330 INFO L762 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-07-04 19:49:59,330 INFO L762 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-07-04 19:49:59,330 INFO L762 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,330 INFO L762 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,330 INFO L762 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,331 INFO L758 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse5 (= ~a25~0 13)) (.cse2 (<= ~a23~0 137)) (.cse3 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse7 (<= 247 ~a29~0)) (.cse6 (<= ~a23~0 138)) (.cse9 (<= ~a29~0 140)) (.cse0 (= ~a25~0 11)) (.cse1 (= ~a8~0 15)) (.cse8 (= ~a25~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 (< 306 ~a23~0)) (and .cse4 .cse5 .cse1) (and .cse5 .cse1 .cse2) (and .cse6 .cse0 .cse7 .cse1) (and .cse3 .cse4 .cse6 .cse1) (and .cse4 .cse2 .cse8) (and .cse4 .cse0 .cse2) (and .cse3 (<= 262 ~a29~0) .cse1 .cse2) (and .cse3 .cse6 .cse9 .cse1) (and .cse4 .cse1 .cse2) (and .cse3 .cse4 .cse9 .cse1) (and .cse4 .cse1 .cse8) (and .cse4 .cse0 .cse1) (and .cse1 .cse2 .cse8) (and .cse3 .cse4 .cse7 .cse1) (and .cse1 (= ~a25~0 12)) (and .cse6 .cse9 .cse0 .cse1) (and (<= ~a29~0 130) .cse1 .cse8))) [2021-07-04 19:49:59,331 INFO L762 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,331 INFO L762 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-07-04 19:49:59,331 INFO L762 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-07-04 19:49:59,331 INFO L762 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,331 INFO L762 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,331 INFO L762 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,332 INFO L762 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,332 INFO L762 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,332 INFO L762 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,332 INFO L762 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-07-04 19:49:59,332 INFO L762 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-07-04 19:49:59,332 INFO L762 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-07-04 19:49:59,332 INFO L765 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-07-04 19:49:59,332 INFO L762 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,332 INFO L762 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,333 INFO L762 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,334 INFO L762 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,334 INFO L762 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,334 INFO L762 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-07-04 19:49:59,334 INFO L762 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-07-04 19:49:59,334 INFO L762 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-07-04 19:49:59,334 INFO L762 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,334 INFO L758 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse5 (= ~a25~0 13)) (.cse2 (<= ~a23~0 137)) (.cse3 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse7 (<= 247 ~a29~0)) (.cse6 (<= ~a23~0 138)) (.cse9 (<= ~a29~0 140)) (.cse0 (= ~a25~0 11)) (.cse1 (= ~a8~0 15)) (.cse8 (= ~a25~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 (< 306 ~a23~0)) (and .cse4 .cse5 .cse1) (and .cse5 .cse1 .cse2) (and .cse6 .cse0 .cse7 .cse1) (and .cse3 .cse4 .cse6 .cse1) (and .cse4 .cse2 .cse8) (and .cse4 .cse0 .cse2) (and .cse3 (<= 262 ~a29~0) .cse1 .cse2) (and .cse3 .cse6 .cse9 .cse1) (and .cse4 .cse1 .cse2) (and .cse3 .cse4 .cse9 .cse1) (and .cse4 .cse1 .cse8) (and .cse4 .cse0 .cse1) (and .cse1 .cse2 .cse8) (and .cse3 .cse4 .cse7 .cse1) (and .cse1 (= ~a25~0 12)) (and .cse6 .cse9 .cse0 .cse1) (and (<= ~a29~0 130) .cse1 .cse8))) [2021-07-04 19:49:59,334 INFO L762 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,334 INFO L762 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-07-04 19:49:59,335 INFO L762 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,336 INFO L762 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-07-04 19:49:59,337 INFO L762 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-07-04 19:49:59,338 INFO L762 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,339 INFO L762 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-07-04 19:49:59,340 INFO L762 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 94) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,341 INFO L762 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,342 INFO L762 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-07-04 19:49:59,343 INFO L762 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-07-04 19:49:59,344 INFO L762 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,344 INFO L762 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,344 INFO L762 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,344 INFO L762 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,344 INFO L762 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,344 INFO L762 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,345 INFO L762 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-07-04 19:49:59,345 INFO L762 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-07-04 19:49:59,345 INFO L762 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-07-04 19:49:59,345 INFO L762 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-07-04 19:49:59,346 INFO L762 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,347 INFO L762 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-07-04 19:49:59,348 INFO L762 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-07-04 19:49:59,349 INFO L762 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,350 INFO L762 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-04 19:49:59,351 INFO L762 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,352 INFO L762 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,352 INFO L762 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,352 INFO L762 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,352 INFO L762 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,352 INFO L762 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-07-04 19:49:59,352 INFO L762 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-07-04 19:49:59,352 INFO L762 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-07-04 19:49:59,352 INFO L762 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-07-04 19:49:59,353 INFO L762 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,353 INFO L762 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,353 INFO L762 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,353 INFO L762 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,353 INFO L762 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,353 INFO L762 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,353 INFO L762 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,353 INFO L762 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,354 INFO L762 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-07-04 19:49:59,354 INFO L762 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-07-04 19:49:59,354 INFO L762 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-07-04 19:49:59,355 INFO L762 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-07-04 19:49:59,355 INFO L762 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-07-04 19:49:59,355 INFO L762 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-07-04 19:49:59,355 INFO L762 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,355 INFO L762 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,355 INFO L762 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,356 INFO L762 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,356 INFO L762 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,357 INFO L762 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,357 INFO L762 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,357 INFO L762 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-07-04 19:49:59,357 INFO L762 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-07-04 19:49:59,357 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-04 19:49:59,357 INFO L762 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,357 INFO L762 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,357 INFO L762 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,358 INFO L762 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-07-04 19:49:59,359 INFO L762 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-07-04 19:49:59,360 INFO L762 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-07-04 19:49:59,360 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-04 19:49:59,360 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 19:49:59,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 07:49:59 BoogieIcfgContainer [2021-07-04 19:49:59,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 19:49:59,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 19:49:59,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 19:49:59,397 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 19:49:59,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 07:49:41" (3/4) ... [2021-07-04 19:49:59,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-04 19:49:59,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-07-04 19:49:59,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-07-04 19:49:59,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-04 19:49:59,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-04 19:49:59,531 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-04 19:49:59,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 19:49:59,535 INFO L168 Benchmark]: Toolchain (without parser) took 20494.90 ms. Allocated memory was 62.9 MB in the beginning and 899.7 MB in the end (delta: 836.8 MB). Free memory was 40.8 MB in the beginning and 389.4 MB in the end (delta: -348.6 MB). Peak memory consumption was 487.4 MB. Max. memory is 16.1 GB. [2021-07-04 19:49:59,535 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 62.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 19:49:59,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.12 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 40.6 MB in the beginning and 50.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-07-04 19:49:59,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.11 ms. Allocated memory is still 79.7 MB. Free memory was 50.0 MB in the beginning and 49.6 MB in the end (delta: 417.7 kB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-07-04 19:49:59,536 INFO L168 Benchmark]: Boogie Preprocessor took 96.78 ms. Allocated memory is still 79.7 MB. Free memory was 49.6 MB in the beginning and 39.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-04 19:49:59,537 INFO L168 Benchmark]: RCFGBuilder took 1349.51 ms. Allocated memory was 79.7 MB in the beginning and 125.8 MB in the end (delta: 46.1 MB). Free memory was 39.1 MB in the beginning and 46.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. [2021-07-04 19:49:59,537 INFO L168 Benchmark]: TraceAbstraction took 18192.70 ms. Allocated memory was 125.8 MB in the beginning and 899.7 MB in the end (delta: 773.8 MB). Free memory was 88.0 MB in the beginning and 414.6 MB in the end (delta: -326.6 MB). Peak memory consumption was 599.3 MB. Max. memory is 16.1 GB. [2021-07-04 19:49:59,538 INFO L168 Benchmark]: Witness Printer took 135.45 ms. Allocated memory is still 899.7 MB. Free memory was 414.6 MB in the beginning and 389.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-07-04 19:49:59,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 62.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 564.12 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 40.6 MB in the beginning and 50.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 144.11 ms. Allocated memory is still 79.7 MB. Free memory was 50.0 MB in the beginning and 49.6 MB in the end (delta: 417.7 kB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.78 ms. Allocated memory is still 79.7 MB. Free memory was 49.6 MB in the beginning and 39.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1349.51 ms. Allocated memory was 79.7 MB in the beginning and 125.8 MB in the end (delta: 46.1 MB). Free memory was 39.1 MB in the beginning and 46.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 39.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18192.70 ms. Allocated memory was 125.8 MB in the beginning and 899.7 MB in the end (delta: 773.8 MB). Free memory was 88.0 MB in the beginning and 414.6 MB in the end (delta: -326.6 MB). Peak memory consumption was 599.3 MB. Max. memory is 16.1 GB. * Witness Printer took 135.45 ms. Allocated memory is still 899.7 MB. Free memory was 414.6 MB in the beginning and 389.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 94]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18110.5ms, OverallIterations: 18, TraceHistogramMax: 4, EmptinessCheckTime: 72.6ms, AutomataDifference: 13284.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1410.4ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3363 SDtfs, 3193 SDslu, 430 SDs, 0 SdLazy, 10691 SolverSat, 1683 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9119.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19058occurred in iteration=13, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1592.2ms AutomataMinimizationTime, 18 MinimizatonAttempts, 15380 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 191 NumberOfFragments, 425 HoareAnnotationTreeSize, 3 FomulaSimplifications, 10848 FormulaSimplificationTreeSizeReduction, 321.7ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 3268 FormulaSimplificationTreeSizeReductionInter, 1080.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 122.3ms SsaConstructionTime, 477.6ms SatisfiabilityAnalysisTime, 878.2ms InterpolantComputationTime, 3893 NumberOfCodeBlocks, 3893 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3875 ConstructedInterpolants, 0 QuantifiedInterpolants, 7239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 2331/2331 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((a25 == 11 && a8 == 15) && a23 <= 137) || (((a25 <= 10 && a4 == 1) && a8 == 15) && 306 < a23)) || ((a4 == 1 && a25 == 13) && a8 == 15)) || ((a25 == 13 && a8 == 15) && a23 <= 137)) || (((a23 <= 138 && a25 == 11) && 247 <= a29) && a8 == 15)) || (((a25 <= 10 && a4 == 1) && a23 <= 138) && a8 == 15)) || ((a4 == 1 && a23 <= 137) && a25 == 10)) || ((a4 == 1 && a25 == 11) && a23 <= 137)) || (((a25 <= 10 && 262 <= a29) && a8 == 15) && a23 <= 137)) || (((a25 <= 10 && a23 <= 138) && a29 <= 140) && a8 == 15)) || ((a4 == 1 && a8 == 15) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && a29 <= 140) && a8 == 15)) || ((a4 == 1 && a8 == 15) && a25 == 10)) || ((a4 == 1 && a25 == 11) && a8 == 15)) || ((a8 == 15 && a23 <= 137) && a25 == 10)) || (((a25 <= 10 && a4 == 1) && 247 <= a29) && a8 == 15)) || (a8 == 15 && a25 == 12)) || (((a23 <= 138 && a29 <= 140) && a25 == 11) && a8 == 15)) || ((a29 <= 130 && a8 == 15) && a25 == 10) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((a25 == 11 && a8 == 15) && a23 <= 137) || (((a25 <= 10 && a4 == 1) && a8 == 15) && 306 < a23)) || ((a4 == 1 && a25 == 13) && a8 == 15)) || ((a25 == 13 && a8 == 15) && a23 <= 137)) || (((a23 <= 138 && a25 == 11) && 247 <= a29) && a8 == 15)) || (((a25 <= 10 && a4 == 1) && a23 <= 138) && a8 == 15)) || ((a4 == 1 && a23 <= 137) && a25 == 10)) || ((a4 == 1 && a25 == 11) && a23 <= 137)) || (((a25 <= 10 && 262 <= a29) && a8 == 15) && a23 <= 137)) || (((a25 <= 10 && a23 <= 138) && a29 <= 140) && a8 == 15)) || ((a4 == 1 && a8 == 15) && a23 <= 137)) || (((a25 <= 10 && a4 == 1) && a29 <= 140) && a8 == 15)) || ((a4 == 1 && a8 == 15) && a25 == 10)) || ((a4 == 1 && a25 == 11) && a8 == 15)) || ((a8 == 15 && a23 <= 137) && a25 == 10)) || (((a25 <= 10 && a4 == 1) && 247 <= a29) && a8 == 15)) || (a8 == 15 && a25 == 12)) || (((a23 <= 138 && a29 <= 140) && a25 == 11) && a8 == 15)) || ((a29 <= 130 && a8 == 15) && a25 == 10) RESULT: Ultimate proved your program to be correct! [2021-07-04 19:49:59,567 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...