./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem03_label48.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 ff31ed7ff605b10b3f4646cea28a453147e8098a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 20:48:10,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 20:48:10,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 20:48:10,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 20:48:10,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 20:48:10,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 20:48:10,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 20:48:10,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 20:48:10,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 20:48:10,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 20:48:10,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 20:48:10,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 20:48:10,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 20:48:10,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 20:48:10,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 20:48:10,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 20:48:10,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 20:48:10,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 20:48:10,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 20:48:10,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 20:48:10,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 20:48:10,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 20:48:10,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 20:48:10,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 20:48:10,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 20:48:10,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 20:48:10,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 20:48:10,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 20:48:10,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 20:48:10,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 20:48:10,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 20:48:10,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 20:48:10,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 20:48:10,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 20:48:10,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 20:48:10,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 20:48:10,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 20:48:10,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 20:48:10,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 20:48:10,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 20:48:10,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 20:48:10,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 20:48:10,505 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 20:48:10,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 20:48:10,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 20:48:10,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 20:48:10,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 20:48:10,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 20:48:10,510 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 20:48:10,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 20:48:10,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 20:48:10,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 20:48:10,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 20:48:10,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 20:48:10,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 20:48:10,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 20:48:10,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 20:48:10,512 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 20:48:10,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 20:48:10,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 20:48:10,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 20:48:10,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 20:48:10,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 20:48:10,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 20:48:10,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:48:10,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 20:48:10,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 20:48:10,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 20:48:10,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 20:48:10,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 20:48:10,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 20:48:10,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 20:48:10,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff31ed7ff605b10b3f4646cea28a453147e8098a [2021-08-25 20:48:10,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 20:48:10,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 20:48:10,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 20:48:10,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 20:48:10,881 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 20:48:10,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2021-08-25 20:48:10,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96e17674e/e547a3bd5c774ffea774f8e24e96ce15/FLAGa36e76b4a [2021-08-25 20:48:11,606 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 20:48:11,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2021-08-25 20:48:11,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96e17674e/e547a3bd5c774ffea774f8e24e96ce15/FLAGa36e76b4a [2021-08-25 20:48:11,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96e17674e/e547a3bd5c774ffea774f8e24e96ce15 [2021-08-25 20:48:11,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 20:48:11,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 20:48:11,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 20:48:11,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 20:48:11,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 20:48:11,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:48:11" (1/1) ... [2021-08-25 20:48:11,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a40ef60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:11, skipping insertion in model container [2021-08-25 20:48:11,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:48:11" (1/1) ... [2021-08-25 20:48:11,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 20:48:11,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 20:48:12,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label48.c[58935,58948] [2021-08-25 20:48:12,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:48:12,455 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 20:48:12,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label48.c[58935,58948] [2021-08-25 20:48:12,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:48:12,630 INFO L208 MainTranslator]: Completed translation [2021-08-25 20:48:12,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12 WrapperNode [2021-08-25 20:48:12,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 20:48:12,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 20:48:12,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 20:48:12,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 20:48:12,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 20:48:12,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 20:48:12,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 20:48:12,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 20:48:12,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 20:48:12,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 20:48:12,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 20:48:12,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 20:48:12,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (1/1) ... [2021-08-25 20:48:12,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:48:12,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:13,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-25 20:48:13,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-25 20:48:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 20:48:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 20:48:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 20:48:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 20:48:15,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 20:48:15,192 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 20:48:15,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:48:15 BoogieIcfgContainer [2021-08-25 20:48:15,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 20:48:15,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 20:48:15,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 20:48:15,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 20:48:15,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 08:48:11" (1/3) ... [2021-08-25 20:48:15,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dacbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:48:15, skipping insertion in model container [2021-08-25 20:48:15,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:48:12" (2/3) ... [2021-08-25 20:48:15,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dacbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:48:15, skipping insertion in model container [2021-08-25 20:48:15,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:48:15" (3/3) ... [2021-08-25 20:48:15,201 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label48.c [2021-08-25 20:48:15,206 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 20:48:15,206 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 20:48:15,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 20:48:15,272 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-25 20:48:15,272 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 20:48:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-08-25 20:48:15,301 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:15,302 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:15,302 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:15,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:15,307 INFO L82 PathProgramCache]: Analyzing trace with hash -819677325, now seen corresponding path program 1 times [2021-08-25 20:48:15,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:15,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229323549] [2021-08-25 20:48:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:15,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:15,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:15,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229323549] [2021-08-25 20:48:15,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229323549] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:15,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:15,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:48:15,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058534614] [2021-08-25 20:48:15,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:15,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:15,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:15,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:15,867 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:17,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:17,175 INFO L93 Difference]: Finished difference Result 860 states and 1507 transitions. [2021-08-25 20:48:17,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:17,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2021-08-25 20:48:17,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:17,190 INFO L225 Difference]: With dead ends: 860 [2021-08-25 20:48:17,190 INFO L226 Difference]: Without dead ends: 465 [2021-08-25 20:48:17,194 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:17,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-08-25 20:48:17,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2021-08-25 20:48:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.556768558951965) internal successors, (713), 458 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 713 transitions. [2021-08-25 20:48:17,249 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 713 transitions. Word has length 183 [2021-08-25 20:48:17,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:17,250 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 713 transitions. [2021-08-25 20:48:17,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 713 transitions. [2021-08-25 20:48:17,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-08-25 20:48:17,255 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:17,255 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:17,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 20:48:17,256 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:17,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:17,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1598798580, now seen corresponding path program 1 times [2021-08-25 20:48:17,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:17,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98268714] [2021-08-25 20:48:17,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:17,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:17,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:17,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98268714] [2021-08-25 20:48:17,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98268714] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:17,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:17,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:48:17,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156071324] [2021-08-25 20:48:17,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:17,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:17,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:17,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:17,326 INFO L87 Difference]: Start difference. First operand 459 states and 713 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:18,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:18,241 INFO L93 Difference]: Finished difference Result 1343 states and 2102 transitions. [2021-08-25 20:48:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:18,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2021-08-25 20:48:18,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:18,244 INFO L225 Difference]: With dead ends: 1343 [2021-08-25 20:48:18,245 INFO L226 Difference]: Without dead ends: 886 [2021-08-25 20:48:18,246 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:18,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-08-25 20:48:18,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 868. [2021-08-25 20:48:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.5340253748558246) internal successors, (1330), 867 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1330 transitions. [2021-08-25 20:48:18,301 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1330 transitions. Word has length 191 [2021-08-25 20:48:18,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:18,303 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1330 transitions. [2021-08-25 20:48:18,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:18,304 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1330 transitions. [2021-08-25 20:48:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-08-25 20:48:18,316 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:18,317 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:18,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 20:48:18,318 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:18,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:18,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1173366829, now seen corresponding path program 1 times [2021-08-25 20:48:18,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:18,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332958414] [2021-08-25 20:48:18,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:18,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:18,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:18,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332958414] [2021-08-25 20:48:18,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332958414] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:18,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:18,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:48:18,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726184330] [2021-08-25 20:48:18,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:18,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:18,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:18,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:18,412 INFO L87 Difference]: Start difference. First operand 868 states and 1330 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:19,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:19,206 INFO L93 Difference]: Finished difference Result 2573 states and 3946 transitions. [2021-08-25 20:48:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:19,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2021-08-25 20:48:19,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:19,219 INFO L225 Difference]: With dead ends: 2573 [2021-08-25 20:48:19,220 INFO L226 Difference]: Without dead ends: 1707 [2021-08-25 20:48:19,221 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:19,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-08-25 20:48:19,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1704. [2021-08-25 20:48:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1703 states have (on average 1.4486200822078685) internal successors, (2467), 1703 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2467 transitions. [2021-08-25 20:48:19,258 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2467 transitions. Word has length 192 [2021-08-25 20:48:19,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:19,259 INFO L470 AbstractCegarLoop]: Abstraction has 1704 states and 2467 transitions. [2021-08-25 20:48:19,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2467 transitions. [2021-08-25 20:48:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-08-25 20:48:19,264 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:19,265 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:19,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 20:48:19,265 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:19,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:19,266 INFO L82 PathProgramCache]: Analyzing trace with hash -531252135, now seen corresponding path program 1 times [2021-08-25 20:48:19,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:19,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701339236] [2021-08-25 20:48:19,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:19,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:19,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:19,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701339236] [2021-08-25 20:48:19,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701339236] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:19,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:19,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:48:19,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100573680] [2021-08-25 20:48:19,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:19,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:19,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:19,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:19,361 INFO L87 Difference]: Start difference. First operand 1704 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:20,218 INFO L93 Difference]: Finished difference Result 4238 states and 6117 transitions. [2021-08-25 20:48:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:20,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 193 [2021-08-25 20:48:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:20,228 INFO L225 Difference]: With dead ends: 4238 [2021-08-25 20:48:20,229 INFO L226 Difference]: Without dead ends: 2536 [2021-08-25 20:48:20,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:20,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2021-08-25 20:48:20,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2535. [2021-08-25 20:48:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2535 states, 2534 states have (on average 1.4183109707971586) internal successors, (3594), 2534 states have internal predecessors, (3594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 3594 transitions. [2021-08-25 20:48:20,283 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 3594 transitions. Word has length 193 [2021-08-25 20:48:20,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:20,283 INFO L470 AbstractCegarLoop]: Abstraction has 2535 states and 3594 transitions. [2021-08-25 20:48:20,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3594 transitions. [2021-08-25 20:48:20,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-08-25 20:48:20,290 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:20,290 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:20,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 20:48:20,290 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:20,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:20,291 INFO L82 PathProgramCache]: Analyzing trace with hash -73581847, now seen corresponding path program 1 times [2021-08-25 20:48:20,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:20,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152442058] [2021-08-25 20:48:20,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:20,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:48:20,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:20,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152442058] [2021-08-25 20:48:20,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152442058] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:20,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:20,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:48:20,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921015208] [2021-08-25 20:48:20,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:48:20,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:20,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:48:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:48:20,578 INFO L87 Difference]: Start difference. First operand 2535 states and 3594 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:21,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:21,583 INFO L93 Difference]: Finished difference Result 5382 states and 7712 transitions. [2021-08-25 20:48:21,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:48:21,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 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 198 [2021-08-25 20:48:21,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:21,596 INFO L225 Difference]: With dead ends: 5382 [2021-08-25 20:48:21,597 INFO L226 Difference]: Without dead ends: 2501 [2021-08-25 20:48:21,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:48:21,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2021-08-25 20:48:21,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2501. [2021-08-25 20:48:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 2500 states have (on average 1.3132) internal successors, (3283), 2500 states have internal predecessors, (3283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3283 transitions. [2021-08-25 20:48:21,648 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3283 transitions. Word has length 198 [2021-08-25 20:48:21,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:21,649 INFO L470 AbstractCegarLoop]: Abstraction has 2501 states and 3283 transitions. [2021-08-25 20:48:21,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3283 transitions. [2021-08-25 20:48:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-08-25 20:48:21,655 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:21,655 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:21,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 20:48:21,655 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:21,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:21,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1371073778, now seen corresponding path program 1 times [2021-08-25 20:48:21,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:21,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003565005] [2021-08-25 20:48:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:21,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:48:21,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:21,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003565005] [2021-08-25 20:48:21,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003565005] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:21,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:21,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:48:21,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38215471] [2021-08-25 20:48:21,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:21,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:21,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:21,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:21,732 INFO L87 Difference]: Start difference. First operand 2501 states and 3283 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 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) [2021-08-25 20:48:22,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:22,505 INFO L93 Difference]: Finished difference Result 7437 states and 9760 transitions. [2021-08-25 20:48:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:22,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 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 200 [2021-08-25 20:48:22,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:22,525 INFO L225 Difference]: With dead ends: 7437 [2021-08-25 20:48:22,527 INFO L226 Difference]: Without dead ends: 4938 [2021-08-25 20:48:22,533 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4938 states. [2021-08-25 20:48:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4938 to 4125. [2021-08-25 20:48:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 4124 states have (on average 1.2257516973811833) internal successors, (5055), 4124 states have internal predecessors, (5055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5055 transitions. [2021-08-25 20:48:22,649 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5055 transitions. Word has length 200 [2021-08-25 20:48:22,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:22,650 INFO L470 AbstractCegarLoop]: Abstraction has 4125 states and 5055 transitions. [2021-08-25 20:48:22,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 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) [2021-08-25 20:48:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5055 transitions. [2021-08-25 20:48:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-08-25 20:48:22,657 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:22,657 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:22,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 20:48:22,658 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:22,658 INFO L82 PathProgramCache]: Analyzing trace with hash 673023940, now seen corresponding path program 1 times [2021-08-25 20:48:22,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:22,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934013883] [2021-08-25 20:48:22,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:22,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:22,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:22,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934013883] [2021-08-25 20:48:22,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934013883] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:22,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:22,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:48:22,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964900644] [2021-08-25 20:48:22,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:48:22,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:22,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:48:22,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:48:22,916 INFO L87 Difference]: Start difference. First operand 4125 states and 5055 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:24,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:24,213 INFO L93 Difference]: Finished difference Result 10239 states and 12504 transitions. [2021-08-25 20:48:24,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:48:24,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2021-08-25 20:48:24,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:24,237 INFO L225 Difference]: With dead ends: 10239 [2021-08-25 20:48:24,238 INFO L226 Difference]: Without dead ends: 5768 [2021-08-25 20:48:24,244 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:48:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5768 states. [2021-08-25 20:48:24,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5768 to 5767. [2021-08-25 20:48:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5767 states, 5766 states have (on average 1.2131460284425946) internal successors, (6995), 5766 states have internal predecessors, (6995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5767 states to 5767 states and 6995 transitions. [2021-08-25 20:48:24,359 INFO L78 Accepts]: Start accepts. Automaton has 5767 states and 6995 transitions. Word has length 214 [2021-08-25 20:48:24,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:24,360 INFO L470 AbstractCegarLoop]: Abstraction has 5767 states and 6995 transitions. [2021-08-25 20:48:24,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 6995 transitions. [2021-08-25 20:48:24,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-08-25 20:48:24,369 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:24,369 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:24,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 20:48:24,370 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:24,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:24,370 INFO L82 PathProgramCache]: Analyzing trace with hash 873129007, now seen corresponding path program 1 times [2021-08-25 20:48:24,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:24,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8848451] [2021-08-25 20:48:24,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:24,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:24,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:24,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8848451] [2021-08-25 20:48:24,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8848451] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:48:24,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091788752] [2021-08-25 20:48:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:24,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:24,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:24,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:48:24,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 20:48:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:24,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:48:24,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:48:25,646 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-08-25 20:48:25,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091788752] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:25,647 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:48:25,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:48:25,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200739257] [2021-08-25 20:48:25,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:25,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:25,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:25,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:25,649 INFO L87 Difference]: Start difference. First operand 5767 states and 6995 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:26,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:26,442 INFO L93 Difference]: Finished difference Result 11545 states and 14012 transitions. [2021-08-25 20:48:26,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:26,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 221 [2021-08-25 20:48:26,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:26,464 INFO L225 Difference]: With dead ends: 11545 [2021-08-25 20:48:26,465 INFO L226 Difference]: Without dead ends: 5780 [2021-08-25 20:48:26,472 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:26,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2021-08-25 20:48:26,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5767. [2021-08-25 20:48:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5767 states, 5766 states have (on average 1.2025667707249392) internal successors, (6934), 5766 states have internal predecessors, (6934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5767 states to 5767 states and 6934 transitions. [2021-08-25 20:48:26,585 INFO L78 Accepts]: Start accepts. Automaton has 5767 states and 6934 transitions. Word has length 221 [2021-08-25 20:48:26,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:26,586 INFO L470 AbstractCegarLoop]: Abstraction has 5767 states and 6934 transitions. [2021-08-25 20:48:26,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:26,586 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 6934 transitions. [2021-08-25 20:48:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-08-25 20:48:26,595 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:26,595 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:26,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 20:48:26,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:26,809 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:26,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:26,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1329101946, now seen corresponding path program 1 times [2021-08-25 20:48:26,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:26,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118804828] [2021-08-25 20:48:26,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:26,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-25 20:48:26,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:26,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118804828] [2021-08-25 20:48:26,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118804828] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:48:26,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809883218] [2021-08-25 20:48:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:26,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:26,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:26,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:48:26,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 20:48:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:27,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:48:27,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:48:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-25 20:48:27,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809883218] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:27,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:48:27,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:48:27,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595865045] [2021-08-25 20:48:27,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:27,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:27,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:27,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:27,936 INFO L87 Difference]: Start difference. First operand 5767 states and 6934 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:28,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:28,640 INFO L93 Difference]: Finished difference Result 17219 states and 20690 transitions. [2021-08-25 20:48:28,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:28,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 233 [2021-08-25 20:48:28,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:28,710 INFO L225 Difference]: With dead ends: 17219 [2021-08-25 20:48:28,716 INFO L226 Difference]: Without dead ends: 11454 [2021-08-25 20:48:28,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11454 states. [2021-08-25 20:48:28,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11454 to 11451. [2021-08-25 20:48:28,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11451 states, 11450 states have (on average 1.1317903930131004) internal successors, (12959), 11450 states have internal predecessors, (12959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 12959 transitions. [2021-08-25 20:48:28,925 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 12959 transitions. Word has length 233 [2021-08-25 20:48:28,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:28,926 INFO L470 AbstractCegarLoop]: Abstraction has 11451 states and 12959 transitions. [2021-08-25 20:48:28,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 12959 transitions. [2021-08-25 20:48:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-08-25 20:48:28,942 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:28,942 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 20:48:28,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 20:48:29,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-25 20:48:29,157 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:29,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:29,157 INFO L82 PathProgramCache]: Analyzing trace with hash 768090626, now seen corresponding path program 1 times [2021-08-25 20:48:29,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:29,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492407425] [2021-08-25 20:48:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:29,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:29,254 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:29,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:29,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492407425] [2021-08-25 20:48:29,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492407425] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:29,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:29,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:48:29,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324485584] [2021-08-25 20:48:29,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:29,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:29,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:29,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:29,257 INFO L87 Difference]: Start difference. First operand 11451 states and 12959 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:30,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:30,033 INFO L93 Difference]: Finished difference Result 27399 states and 30903 transitions. [2021-08-25 20:48:30,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:30,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 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 246 [2021-08-25 20:48:30,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:30,062 INFO L225 Difference]: With dead ends: 27399 [2021-08-25 20:48:30,063 INFO L226 Difference]: Without dead ends: 15950 [2021-08-25 20:48:30,076 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:30,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15950 states. [2021-08-25 20:48:30,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15950 to 15944. [2021-08-25 20:48:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15944 states, 15943 states have (on average 1.1214953271028036) internal successors, (17880), 15943 states have internal predecessors, (17880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15944 states to 15944 states and 17880 transitions. [2021-08-25 20:48:30,368 INFO L78 Accepts]: Start accepts. Automaton has 15944 states and 17880 transitions. Word has length 246 [2021-08-25 20:48:30,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:30,368 INFO L470 AbstractCegarLoop]: Abstraction has 15944 states and 17880 transitions. [2021-08-25 20:48:30,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 15944 states and 17880 transitions. [2021-08-25 20:48:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-08-25 20:48:30,390 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:30,390 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:30,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 20:48:30,391 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:30,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:30,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1718686317, now seen corresponding path program 1 times [2021-08-25 20:48:30,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:30,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983723155] [2021-08-25 20:48:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:30,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:30,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:30,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983723155] [2021-08-25 20:48:30,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983723155] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:30,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:30,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:48:30,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63554040] [2021-08-25 20:48:30,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:48:30,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:30,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:48:30,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:48:30,511 INFO L87 Difference]: Start difference. First operand 15944 states and 17880 transitions. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:31,727 INFO L93 Difference]: Finished difference Result 43517 states and 48797 transitions. [2021-08-25 20:48:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:48:31,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-08-25 20:48:31,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:31,783 INFO L225 Difference]: With dead ends: 43517 [2021-08-25 20:48:31,784 INFO L226 Difference]: Without dead ends: 27575 [2021-08-25 20:48:31,804 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:48:31,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27575 states. [2021-08-25 20:48:32,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27575 to 27567. [2021-08-25 20:48:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27567 states, 27566 states have (on average 1.1042588696219982) internal successors, (30440), 27566 states have internal predecessors, (30440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27567 states to 27567 states and 30440 transitions. [2021-08-25 20:48:32,356 INFO L78 Accepts]: Start accepts. Automaton has 27567 states and 30440 transitions. Word has length 253 [2021-08-25 20:48:32,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:32,357 INFO L470 AbstractCegarLoop]: Abstraction has 27567 states and 30440 transitions. [2021-08-25 20:48:32,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 27567 states and 30440 transitions. [2021-08-25 20:48:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-08-25 20:48:32,393 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:32,393 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:32,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 20:48:32,394 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:32,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:32,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1369923191, now seen corresponding path program 1 times [2021-08-25 20:48:32,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:32,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797895255] [2021-08-25 20:48:32,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:32,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 107 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:48:32,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:32,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797895255] [2021-08-25 20:48:32,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797895255] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:48:32,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635048569] [2021-08-25 20:48:32,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:32,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:32,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:32,535 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:48:32,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 20:48:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:32,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:48:32,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:48:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-25 20:48:33,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635048569] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:33,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:48:33,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:48:33,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905092100] [2021-08-25 20:48:33,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:33,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:33,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:33,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:33,957 INFO L87 Difference]: Start difference. First operand 27567 states and 30440 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:34,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:34,752 INFO L93 Difference]: Finished difference Result 57368 states and 63747 transitions. [2021-08-25 20:48:34,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:34,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 291 [2021-08-25 20:48:34,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:34,809 INFO L225 Difference]: With dead ends: 57368 [2021-08-25 20:48:34,809 INFO L226 Difference]: Without dead ends: 29803 [2021-08-25 20:48:34,834 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:34,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29803 states. [2021-08-25 20:48:35,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29803 to 29800. [2021-08-25 20:48:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29800 states, 29799 states have (on average 1.1100372495721333) internal successors, (33078), 29799 states have internal predecessors, (33078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29800 states to 29800 states and 33078 transitions. [2021-08-25 20:48:35,306 INFO L78 Accepts]: Start accepts. Automaton has 29800 states and 33078 transitions. Word has length 291 [2021-08-25 20:48:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:35,307 INFO L470 AbstractCegarLoop]: Abstraction has 29800 states and 33078 transitions. [2021-08-25 20:48:35,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 29800 states and 33078 transitions. [2021-08-25 20:48:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-08-25 20:48:35,341 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:35,342 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:35,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 20:48:35,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:35,562 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:35,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:35,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1931701254, now seen corresponding path program 1 times [2021-08-25 20:48:35,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:35,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457528666] [2021-08-25 20:48:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:35,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-25 20:48:35,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:35,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457528666] [2021-08-25 20:48:35,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457528666] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:35,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:35,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:48:35,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527964285] [2021-08-25 20:48:35,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:35,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:35,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:35,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:35,745 INFO L87 Difference]: Start difference. First operand 29800 states and 33078 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:36,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:36,571 INFO L93 Difference]: Finished difference Result 57733 states and 64107 transitions. [2021-08-25 20:48:36,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:36,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 310 [2021-08-25 20:48:36,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:36,701 INFO L225 Difference]: With dead ends: 57733 [2021-08-25 20:48:36,701 INFO L226 Difference]: Without dead ends: 27934 [2021-08-25 20:48:36,714 INFO L781 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 [2021-08-25 20:48:36,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27934 states. [2021-08-25 20:48:36,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27934 to 27527. [2021-08-25 20:48:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27527 states, 27526 states have (on average 1.0890067572476931) internal successors, (29976), 27526 states have internal predecessors, (29976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27527 states to 27527 states and 29976 transitions. [2021-08-25 20:48:37,015 INFO L78 Accepts]: Start accepts. Automaton has 27527 states and 29976 transitions. Word has length 310 [2021-08-25 20:48:37,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:37,016 INFO L470 AbstractCegarLoop]: Abstraction has 27527 states and 29976 transitions. [2021-08-25 20:48:37,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 27527 states and 29976 transitions. [2021-08-25 20:48:37,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-08-25 20:48:37,037 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:37,037 INFO L512 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 20:48:37,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 20:48:37,038 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:37,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:37,038 INFO L82 PathProgramCache]: Analyzing trace with hash -17613274, now seen corresponding path program 1 times [2021-08-25 20:48:37,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:37,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508139444] [2021-08-25 20:48:37,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:37,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 160 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 20:48:37,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:37,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508139444] [2021-08-25 20:48:37,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508139444] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:48:37,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277629374] [2021-08-25 20:48:37,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:37,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:37,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:37,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:48:37,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 20:48:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:37,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:48:37,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:48:38,750 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-08-25 20:48:38,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277629374] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:38,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:48:38,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:48:38,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954578280] [2021-08-25 20:48:38,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:38,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:38,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:38,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:38,753 INFO L87 Difference]: Start difference. First operand 27527 states and 29976 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:39,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:39,514 INFO L93 Difference]: Finished difference Result 75568 states and 82198 transitions. [2021-08-25 20:48:39,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:39,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 333 [2021-08-25 20:48:39,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:39,574 INFO L225 Difference]: With dead ends: 75568 [2021-08-25 20:48:39,574 INFO L226 Difference]: Without dead ends: 48043 [2021-08-25 20:48:39,604 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:39,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48043 states. [2021-08-25 20:48:40,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48043 to 44792. [2021-08-25 20:48:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44792 states, 44791 states have (on average 1.0809984148601282) internal successors, (48419), 44791 states have internal predecessors, (48419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44792 states to 44792 states and 48419 transitions. [2021-08-25 20:48:40,273 INFO L78 Accepts]: Start accepts. Automaton has 44792 states and 48419 transitions. Word has length 333 [2021-08-25 20:48:40,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:40,273 INFO L470 AbstractCegarLoop]: Abstraction has 44792 states and 48419 transitions. [2021-08-25 20:48:40,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 44792 states and 48419 transitions. [2021-08-25 20:48:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-08-25 20:48:40,316 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:40,317 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:40,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 20:48:40,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:40,538 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:40,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:40,538 INFO L82 PathProgramCache]: Analyzing trace with hash 703275116, now seen corresponding path program 1 times [2021-08-25 20:48:40,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:40,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281491532] [2021-08-25 20:48:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:40,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-08-25 20:48:40,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:40,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281491532] [2021-08-25 20:48:40,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281491532] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:40,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:40,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:48:40,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498594845] [2021-08-25 20:48:40,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:40,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:40,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:40,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:48:40,660 INFO L87 Difference]: Start difference. First operand 44792 states and 48419 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:41,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:41,549 INFO L93 Difference]: Finished difference Result 88548 states and 95689 transitions. [2021-08-25 20:48:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:41,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 348 [2021-08-25 20:48:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:41,602 INFO L225 Difference]: With dead ends: 88548 [2021-08-25 20:48:41,602 INFO L226 Difference]: Without dead ends: 43758 [2021-08-25 20:48:41,628 INFO L781 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 [2021-08-25 20:48:41,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43758 states. [2021-08-25 20:48:42,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43758 to 42131. [2021-08-25 20:48:42,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42131 states, 42130 states have (on average 1.0627106574887253) internal successors, (44772), 42130 states have internal predecessors, (44772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42131 states to 42131 states and 44772 transitions. [2021-08-25 20:48:42,335 INFO L78 Accepts]: Start accepts. Automaton has 42131 states and 44772 transitions. Word has length 348 [2021-08-25 20:48:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:42,336 INFO L470 AbstractCegarLoop]: Abstraction has 42131 states and 44772 transitions. [2021-08-25 20:48:42,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 42131 states and 44772 transitions. [2021-08-25 20:48:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-08-25 20:48:42,380 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:42,381 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:42,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 20:48:42,381 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:42,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:42,382 INFO L82 PathProgramCache]: Analyzing trace with hash 212231778, now seen corresponding path program 1 times [2021-08-25 20:48:42,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:42,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99244850] [2021-08-25 20:48:42,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:42,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 194 proven. 11 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-08-25 20:48:42,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:42,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99244850] [2021-08-25 20:48:42,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99244850] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:48:42,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79554153] [2021-08-25 20:48:42,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:42,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:42,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:42,541 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:48:42,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 20:48:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:43,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 20:48:43,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:48:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-25 20:48:44,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79554153] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:44,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:48:44,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:48:44,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618342814] [2021-08-25 20:48:44,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:44,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:44,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:44,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:44,102 INFO L87 Difference]: Start difference. First operand 42131 states and 44772 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:44,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:44,891 INFO L93 Difference]: Finished difference Result 79375 states and 84179 transitions. [2021-08-25 20:48:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:44,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2021-08-25 20:48:44,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:44,935 INFO L225 Difference]: With dead ends: 79375 [2021-08-25 20:48:44,935 INFO L226 Difference]: Without dead ends: 37246 [2021-08-25 20:48:44,960 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:44,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37246 states. [2021-08-25 20:48:45,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37246 to 37242. [2021-08-25 20:48:45,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37242 states, 37241 states have (on average 1.0530866518084907) internal successors, (39218), 37241 states have internal predecessors, (39218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37242 states to 37242 states and 39218 transitions. [2021-08-25 20:48:45,459 INFO L78 Accepts]: Start accepts. Automaton has 37242 states and 39218 transitions. Word has length 367 [2021-08-25 20:48:45,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:45,459 INFO L470 AbstractCegarLoop]: Abstraction has 37242 states and 39218 transitions. [2021-08-25 20:48:45,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 37242 states and 39218 transitions. [2021-08-25 20:48:45,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-08-25 20:48:45,492 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:45,492 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 20:48:45,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-25 20:48:45,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-25 20:48:45,693 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:45,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:45,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1161269189, now seen corresponding path program 1 times [2021-08-25 20:48:45,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:45,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224120832] [2021-08-25 20:48:45,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:45,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 211 proven. 11 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-08-25 20:48:45,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:45,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224120832] [2021-08-25 20:48:45,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224120832] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:48:45,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455756530] [2021-08-25 20:48:45,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:45,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:45,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:45,941 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:48:45,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-25 20:48:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:46,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 20:48:46,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:48:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-08-25 20:48:47,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455756530] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:47,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:48:47,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:48:47,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130998785] [2021-08-25 20:48:47,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:47,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:47,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:47,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:47,805 INFO L87 Difference]: Start difference. First operand 37242 states and 39218 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:48,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:48,497 INFO L93 Difference]: Finished difference Result 78341 states and 82563 transitions. [2021-08-25 20:48:48,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:48,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 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 373 [2021-08-25 20:48:48,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:48,601 INFO L225 Difference]: With dead ends: 78341 [2021-08-25 20:48:48,601 INFO L226 Difference]: Without dead ends: 41101 [2021-08-25 20:48:48,616 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.8ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:48,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41101 states. [2021-08-25 20:48:48,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41101 to 39475. [2021-08-25 20:48:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39475 states, 39474 states have (on average 1.0530982418807315) internal successors, (41570), 39474 states have internal predecessors, (41570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39475 states to 39475 states and 41570 transitions. [2021-08-25 20:48:49,027 INFO L78 Accepts]: Start accepts. Automaton has 39475 states and 41570 transitions. Word has length 373 [2021-08-25 20:48:49,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:49,027 INFO L470 AbstractCegarLoop]: Abstraction has 39475 states and 41570 transitions. [2021-08-25 20:48:49,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 39475 states and 41570 transitions. [2021-08-25 20:48:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-08-25 20:48:49,061 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:49,061 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 20:48:49,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-25 20:48:49,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-25 20:48:49,268 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:49,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:49,269 INFO L82 PathProgramCache]: Analyzing trace with hash -957708721, now seen corresponding path program 1 times [2021-08-25 20:48:49,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:49,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30672811] [2021-08-25 20:48:49,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:49,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-08-25 20:48:49,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:49,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30672811] [2021-08-25 20:48:49,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30672811] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:49,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:48:49,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:48:49,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130883620] [2021-08-25 20:48:49,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:48:49,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:49,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:48:49,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:48:49,483 INFO L87 Difference]: Start difference. First operand 39475 states and 41570 transitions. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:50,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:50,710 INFO L93 Difference]: Finished difference Result 82413 states and 86828 transitions. [2021-08-25 20:48:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:48:50,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 386 [2021-08-25 20:48:50,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:50,758 INFO L225 Difference]: With dead ends: 82413 [2021-08-25 20:48:50,758 INFO L226 Difference]: Without dead ends: 42940 [2021-08-25 20:48:50,784 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:48:50,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42940 states. [2021-08-25 20:48:51,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42940 to 41102. [2021-08-25 20:48:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41102 states, 41101 states have (on average 1.0512882898226321) internal successors, (43209), 41101 states have internal predecessors, (43209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41102 states to 41102 states and 43209 transitions. [2021-08-25 20:48:51,328 INFO L78 Accepts]: Start accepts. Automaton has 41102 states and 43209 transitions. Word has length 386 [2021-08-25 20:48:51,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:51,328 INFO L470 AbstractCegarLoop]: Abstraction has 41102 states and 43209 transitions. [2021-08-25 20:48:51,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 41102 states and 43209 transitions. [2021-08-25 20:48:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-08-25 20:48:51,362 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:51,362 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 20:48:51,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 20:48:51,362 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:51,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:51,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1130963932, now seen corresponding path program 1 times [2021-08-25 20:48:51,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:51,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700217812] [2021-08-25 20:48:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:51,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 246 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-08-25 20:48:51,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:51,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700217812] [2021-08-25 20:48:51,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700217812] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:48:51,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461114414] [2021-08-25 20:48:51,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:51,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:51,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:51,509 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:48:51,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-25 20:48:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:52,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:48:52,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:48:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-08-25 20:48:53,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461114414] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:53,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:48:53,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-08-25 20:48:53,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643537759] [2021-08-25 20:48:53,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:53,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:53,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:53,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:53,433 INFO L87 Difference]: Start difference. First operand 41102 states and 43209 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:53,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:53,855 INFO L93 Difference]: Finished difference Result 120864 states and 127120 transitions. [2021-08-25 20:48:53,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:53,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 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 414 [2021-08-25 20:48:53,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:53,945 INFO L225 Difference]: With dead ends: 120864 [2021-08-25 20:48:53,945 INFO L226 Difference]: Without dead ends: 79764 [2021-08-25 20:48:53,976 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:48:54,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79764 states. [2021-08-25 20:48:54,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79764 to 79761. [2021-08-25 20:48:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79761 states, 79760 states have (on average 1.0519558676028085) internal successors, (83904), 79760 states have internal predecessors, (83904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79761 states to 79761 states and 83904 transitions. [2021-08-25 20:48:55,158 INFO L78 Accepts]: Start accepts. Automaton has 79761 states and 83904 transitions. Word has length 414 [2021-08-25 20:48:55,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:55,158 INFO L470 AbstractCegarLoop]: Abstraction has 79761 states and 83904 transitions. [2021-08-25 20:48:55,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 2 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 79761 states and 83904 transitions. [2021-08-25 20:48:55,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-08-25 20:48:55,199 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:55,199 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 20:48:55,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-25 20:48:55,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:55,409 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:48:55,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:48:55,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1845760560, now seen corresponding path program 1 times [2021-08-25 20:48:55,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:48:55,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752454965] [2021-08-25 20:48:55,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:55,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:48:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 285 proven. 9 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-08-25 20:48:55,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:48:55,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752454965] [2021-08-25 20:48:55,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752454965] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:48:55,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189134036] [2021-08-25 20:48:55,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:48:55,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:48:55,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:48:55,590 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:48:55,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-25 20:48:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:48:56,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 20:48:56,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:48:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-08-25 20:48:57,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189134036] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:48:57,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:48:57,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 20:48:57,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128894544] [2021-08-25 20:48:57,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:48:57,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:48:57,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:48:57,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:48:57,740 INFO L87 Difference]: Start difference. First operand 79761 states and 83904 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:58,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:48:58,612 INFO L93 Difference]: Finished difference Result 158507 states and 166729 transitions. [2021-08-25 20:48:58,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:48:58,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 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 437 [2021-08-25 20:48:58,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:48:58,708 INFO L225 Difference]: With dead ends: 158507 [2021-08-25 20:48:58,708 INFO L226 Difference]: Without dead ends: 78748 [2021-08-25 20:48:58,889 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.1ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:48:58,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78748 states. [2021-08-25 20:48:59,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78748 to 78324. [2021-08-25 20:48:59,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78324 states, 78323 states have (on average 1.0505343258046806) internal successors, (82281), 78323 states have internal predecessors, (82281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:59,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78324 states to 78324 states and 82281 transitions. [2021-08-25 20:48:59,803 INFO L78 Accepts]: Start accepts. Automaton has 78324 states and 82281 transitions. Word has length 437 [2021-08-25 20:48:59,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:48:59,803 INFO L470 AbstractCegarLoop]: Abstraction has 78324 states and 82281 transitions. [2021-08-25 20:48:59,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:48:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 78324 states and 82281 transitions. [2021-08-25 20:48:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-08-25 20:48:59,839 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:48:59,839 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:48:59,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-25 20:49:00,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:49:00,041 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:49:00,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:49:00,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1981683012, now seen corresponding path program 1 times [2021-08-25 20:49:00,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:49:00,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351342649] [2021-08-25 20:49:00,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:49:00,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:49:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:49:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-08-25 20:49:00,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:49:00,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351342649] [2021-08-25 20:49:00,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351342649] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:49:00,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:49:00,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:49:00,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517497517] [2021-08-25 20:49:00,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:49:00,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:49:00,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:49:00,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:49:00,417 INFO L87 Difference]: Start difference. First operand 78324 states and 82281 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:01,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:49:01,256 INFO L93 Difference]: Finished difference Result 210896 states and 221734 transitions. [2021-08-25 20:49:01,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:49:01,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 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 446 [2021-08-25 20:49:01,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:49:01,693 INFO L225 Difference]: With dead ends: 210896 [2021-08-25 20:49:01,693 INFO L226 Difference]: Without dead ends: 132574 [2021-08-25 20:49:01,731 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:49:01,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132574 states. [2021-08-25 20:49:03,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132574 to 124454. [2021-08-25 20:49:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124454 states, 124453 states have (on average 1.0541569909925836) internal successors, (131193), 124453 states have internal predecessors, (131193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124454 states to 124454 states and 131193 transitions. [2021-08-25 20:49:03,325 INFO L78 Accepts]: Start accepts. Automaton has 124454 states and 131193 transitions. Word has length 446 [2021-08-25 20:49:03,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:49:03,326 INFO L470 AbstractCegarLoop]: Abstraction has 124454 states and 131193 transitions. [2021-08-25 20:49:03,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 2 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:03,326 INFO L276 IsEmpty]: Start isEmpty. Operand 124454 states and 131193 transitions. [2021-08-25 20:49:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-08-25 20:49:03,367 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:49:03,367 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 20:49:03,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 20:49:03,367 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:49:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:49:03,368 INFO L82 PathProgramCache]: Analyzing trace with hash -676210099, now seen corresponding path program 1 times [2021-08-25 20:49:03,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:49:03,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836563742] [2021-08-25 20:49:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:49:03,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:49:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:49:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-08-25 20:49:03,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:49:03,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836563742] [2021-08-25 20:49:03,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836563742] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:49:03,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141023311] [2021-08-25 20:49:03,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:49:03,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:49:03,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:49:03,485 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:49:03,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-25 20:49:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:49:05,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 20:49:05,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:49:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-08-25 20:49:06,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141023311] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:49:06,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:49:06,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-08-25 20:49:06,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743315817] [2021-08-25 20:49:06,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:49:06,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:49:06,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:49:06,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:49:06,190 INFO L87 Difference]: Start difference. First operand 124454 states and 131193 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:07,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:49:07,301 INFO L93 Difference]: Finished difference Result 293837 states and 309659 transitions. [2021-08-25 20:49:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:49:07,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 0 states have call successors, (0), 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 450 [2021-08-25 20:49:07,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:49:07,509 INFO L225 Difference]: With dead ends: 293837 [2021-08-25 20:49:07,510 INFO L226 Difference]: Without dead ends: 169385 [2021-08-25 20:49:07,544 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.4ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:49:07,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169385 states. [2021-08-25 20:49:09,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169385 to 169383. [2021-08-25 20:49:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169383 states, 169382 states have (on average 1.0534944681253027) internal successors, (178443), 169382 states have internal predecessors, (178443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169383 states to 169383 states and 178443 transitions. [2021-08-25 20:49:10,254 INFO L78 Accepts]: Start accepts. Automaton has 169383 states and 178443 transitions. Word has length 450 [2021-08-25 20:49:10,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:49:10,255 INFO L470 AbstractCegarLoop]: Abstraction has 169383 states and 178443 transitions. [2021-08-25 20:49:10,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 2 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 169383 states and 178443 transitions. [2021-08-25 20:49:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-08-25 20:49:10,326 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:49:10,327 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:49:10,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-25 20:49:10,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:49:10,528 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:49:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:49:10,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1531649112, now seen corresponding path program 1 times [2021-08-25 20:49:10,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:49:10,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788184993] [2021-08-25 20:49:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:49:10,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:49:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:49:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 386 proven. 24 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-08-25 20:49:10,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:49:10,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788184993] [2021-08-25 20:49:10,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788184993] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:49:10,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505397308] [2021-08-25 20:49:10,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:49:10,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:49:10,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:49:10,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:49:10,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-25 20:49:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:49:12,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 20:49:12,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:49:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-08-25 20:49:13,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505397308] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:49:13,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:49:13,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 20:49:13,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051005307] [2021-08-25 20:49:13,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:49:13,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:49:13,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:49:13,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:49:13,330 INFO L87 Difference]: Start difference. First operand 169383 states and 178443 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:14,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:49:14,648 INFO L93 Difference]: Finished difference Result 360764 states and 380396 transitions. [2021-08-25 20:49:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:49:14,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 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 450 [2021-08-25 20:49:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:49:14,649 INFO L225 Difference]: With dead ends: 360764 [2021-08-25 20:49:14,649 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 20:49:14,760 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 15.1ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:49:14,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 20:49:14,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 20:49:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 20:49:14,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 450 [2021-08-25 20:49:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:49:14,761 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 20:49:14,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:49:14,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 20:49:14,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 20:49:14,763 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 20:49:14,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-25 20:49:14,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-08-25 20:49:14,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 20:49:14,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:49:14,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:49:17,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,092 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,093 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,094 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,095 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,095 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,095 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,095 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-08-25 20:49:24,095 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-08-25 20:49:24,095 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,095 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-08-25 20:49:24,095 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,096 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,097 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-08-25 20:49:24,097 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,097 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-08-25 20:49:24,097 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-08-25 20:49:24,097 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,097 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,097 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,097 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,098 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-08-25 20:49:24,098 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-08-25 20:49:24,098 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,098 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,098 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,098 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,098 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,099 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,099 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,099 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,099 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,099 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,099 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-08-25 20:49:24,099 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-08-25 20:49:24,099 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-08-25 20:49:24,100 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-08-25 20:49:24,101 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,101 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,101 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,101 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,101 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,101 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,101 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-08-25 20:49:24,101 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-08-25 20:49:24,102 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-08-25 20:49:24,102 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,102 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,102 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,102 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-08-25 20:49:24,102 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,102 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-08-25 20:49:24,102 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,103 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,104 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,104 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,104 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-08-25 20:49:24,104 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-08-25 20:49:24,104 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-08-25 20:49:24,104 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-08-25 20:49:24,104 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-08-25 20:49:24,104 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,105 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,105 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,105 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,105 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,105 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,105 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,105 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,105 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,106 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,106 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-08-25 20:49:24,106 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-08-25 20:49:24,106 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-08-25 20:49:24,106 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,106 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,106 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,106 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,107 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,107 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,107 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,107 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,107 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,107 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 20:49:24,107 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1594) no Hoare annotation was computed. [2021-08-25 20:49:24,107 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-08-25 20:49:24,108 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-08-25 20:49:24,108 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-08-25 20:49:24,108 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-08-25 20:49:24,108 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-08-25 20:49:24,108 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,108 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,108 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,108 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,109 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,109 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,109 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,109 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,109 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-08-25 20:49:24,109 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-08-25 20:49:24,109 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-08-25 20:49:24,109 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-08-25 20:49:24,110 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,111 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-08-25 20:49:24,111 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,111 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-08-25 20:49:24,111 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,111 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,111 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-08-25 20:49:24,111 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-08-25 20:49:24,111 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-08-25 20:49:24,112 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-08-25 20:49:24,112 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-08-25 20:49:24,112 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-08-25 20:49:24,112 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-08-25 20:49:24,112 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,112 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,112 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,113 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse15 (<= ~a7~0 0)) (.cse10 (= ~a4~0 1)) (.cse6 (= ~a0~0 1)) (.cse14 (<= ~a3~0 1)) (.cse16 (= ~a12~0 ~a11~0)) (.cse5 (= ~a27~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (<= ~a3~0 0)) (.cse9 (= ~a11~0 0)) (.cse13 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse17 (<= 2 ~a3~0)) (.cse2 (= ~a11~0 1)) (.cse3 (= ~a6~0 1)) (.cse4 (= ~a12~0 0)) (.cse7 (= ~a18~0 1)) (.cse11 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse10 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse14 .cse9 .cse10 .cse4 .cse7 .cse11 .cse13) (and .cse15 .cse1 .cse8 .cse12 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse7 .cse11) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse5 .cse6 .cse7 .cse13) (and .cse15 .cse1 .cse17 .cse16 .cse2 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse2 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse17 .cse2 .cse4 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse17 .cse9 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse9 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse1 (not .cse0) .cse12 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse9 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse17 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse17 .cse16 .cse2 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse1 .cse12 .cse9 .cse3 .cse10 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse7) (and .cse1 .cse9 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse10 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse2 .cse4 .cse5 (= ~a12~0 ~a19~0) .cse7 .cse13) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse5 .cse7 .cse13) (and .cse1 .cse8 .cse12 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse4 .cse7 .cse11))) [2021-08-25 20:49:24,113 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,113 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,114 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,114 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-08-25 20:49:24,114 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-08-25 20:49:24,114 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,114 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,114 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,114 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-08-25 20:49:24,114 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,115 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,116 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,116 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,116 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,116 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,116 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,116 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,116 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,116 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-08-25 20:49:24,117 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-08-25 20:49:24,117 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,117 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,117 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-08-25 20:49:24,117 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-08-25 20:49:24,117 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,117 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse15 (<= ~a7~0 0)) (.cse10 (= ~a4~0 1)) (.cse6 (= ~a0~0 1)) (.cse14 (<= ~a3~0 1)) (.cse16 (= ~a12~0 ~a11~0)) (.cse5 (= ~a27~0 1)) (.cse8 (= ~a12~0 1)) (.cse12 (<= ~a3~0 0)) (.cse9 (= ~a11~0 0)) (.cse13 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse17 (<= 2 ~a3~0)) (.cse2 (= ~a11~0 1)) (.cse3 (= ~a6~0 1)) (.cse4 (= ~a12~0 0)) (.cse7 (= ~a18~0 1)) (.cse11 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse10 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse14 .cse9 .cse10 .cse4 .cse7 .cse11 .cse13) (and .cse15 .cse1 .cse8 .cse12 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse7 .cse11) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse10 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse5 .cse6 .cse7 .cse13) (and .cse15 .cse1 .cse17 .cse16 .cse2 .cse3 .cse10 .cse5 .cse7) (and .cse0 .cse1 .cse12 .cse2 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse17 .cse2 .cse4 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse17 .cse9 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse9 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse7 .cse11) (and .cse1 .cse12 .cse9 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse1 (not .cse0) .cse12 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse9 .cse3 .cse6 .cse7 .cse11) (and .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse9 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse13) (and .cse1 .cse17 .cse9 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse17 .cse16 .cse2 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse9 .cse3 .cse10 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse10 .cse4 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse6 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse8 .cse17 .cse9 .cse5 .cse6 .cse7 .cse13) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse12 .cse9 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse1 .cse12 .cse9 .cse3 .cse10 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse14 .cse16 .cse2 .cse3 .cse5 .cse7) (and .cse1 .cse9 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse8 .cse17 .cse2 .cse10 .cse5 .cse7 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse11) (and .cse1 .cse12 .cse2 .cse3 .cse4 .cse7 .cse11) (and .cse0 .cse1 .cse16 .cse2 .cse10 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse6 .cse7 .cse11 .cse13) (and .cse1 .cse14 .cse2 .cse4 .cse5 (= ~a12~0 ~a19~0) .cse7 .cse13) (and .cse0 .cse1 .cse12 .cse16 .cse2 .cse5 .cse7 .cse13) (and .cse1 .cse8 .cse12 .cse9 .cse7 .cse11 .cse13) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse4 .cse7 .cse11))) [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-08-25 20:49:24,118 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-08-25 20:49:24,119 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-08-25 20:49:24,120 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,120 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,120 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,120 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,120 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,120 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,120 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,120 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,121 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,122 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,123 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-08-25 20:49:24,124 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-08-25 20:49:24,125 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,125 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,125 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:49:24,129 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 20:49:24,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 08:49:24 BoogieIcfgContainer [2021-08-25 20:49:24,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 20:49:24,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 20:49:24,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 20:49:24,171 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 20:49:24,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:48:15" (3/4) ... [2021-08-25 20:49:24,174 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 20:49:24,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 20:49:24,212 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 20:49:24,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 20:49:24,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 20:49:24,365 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 20:49:24,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 20:49:24,367 INFO L168 Benchmark]: Toolchain (without parser) took 72514.40 ms. Allocated memory was 50.3 MB in the beginning and 12.5 GB in the end (delta: 12.4 GB). Free memory was 31.1 MB in the beginning and 9.8 GB in the end (delta: -9.8 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. [2021-08-25 20:49:24,367 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 32.5 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:49:24,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.87 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 30.9 MB in the beginning and 29.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-08-25 20:49:24,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.62 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 29.1 MB in the beginning and 40.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-08-25 20:49:24,368 INFO L168 Benchmark]: Boogie Preprocessor took 170.55 ms. Allocated memory is still 79.7 MB. Free memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: -487.4 kB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-08-25 20:49:24,369 INFO L168 Benchmark]: RCFGBuilder took 2235.20 ms. Allocated memory was 79.7 MB in the beginning and 180.4 MB in the end (delta: 100.7 MB). Free memory was 41.4 MB in the beginning and 56.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. [2021-08-25 20:49:24,369 INFO L168 Benchmark]: TraceAbstraction took 68975.09 ms. Allocated memory was 180.4 MB in the beginning and 12.5 GB in the end (delta: 12.3 GB). Free memory was 56.6 MB in the beginning and 9.9 GB in the end (delta: -9.8 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.1 GB. [2021-08-25 20:49:24,369 INFO L168 Benchmark]: Witness Printer took 194.31 ms. Allocated memory is still 12.5 GB. Free memory was 9.9 GB in the beginning and 9.8 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-08-25 20:49:24,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 50.3 MB. Free memory was 32.5 MB in the beginning and 32.5 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 777.87 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 30.9 MB in the beginning and 29.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 152.62 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 29.1 MB in the beginning and 40.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 170.55 ms. Allocated memory is still 79.7 MB. Free memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: -487.4 kB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2235.20 ms. Allocated memory was 79.7 MB in the beginning and 180.4 MB in the end (delta: 100.7 MB). Free memory was 41.4 MB in the beginning and 56.6 MB in the end (delta: -15.2 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 68975.09 ms. Allocated memory was 180.4 MB in the beginning and 12.5 GB in the end (delta: 12.3 GB). Free memory was 56.6 MB in the beginning and 9.9 GB in the end (delta: -9.8 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.1 GB. * Witness Printer took 194.31 ms. Allocated memory is still 12.5 GB. Free memory was 9.9 GB in the beginning and 9.8 GB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 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: 1594]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68864.1ms, OverallIterations: 23, TraceHistogramMax: 8, EmptinessCheckTime: 574.2ms, AutomataDifference: 23257.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9126.7ms, InitialAbstractionConstructionTime: 13.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4104 SDtfs, 4410 SDslu, 1022 SDs, 0 SdLazy, 13013 SolverSat, 1963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11997.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3623 GetRequests, 3574 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 244.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=169383occurred in iteration=22, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11619.1ms AutomataMinimizationTime, 23 MinimizatonAttempts, 18177 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1481 NumberOfFragments, 2487 HoareAnnotationTreeSize, 3 FomulaSimplifications, 61856 FormulaSimplificationTreeSizeReduction, 3718.9ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 8212 FormulaSimplificationTreeSizeReductionInter, 5389.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 861.9ms SsaConstructionTime, 1875.2ms SatisfiabilityAnalysisTime, 12384.2ms InterpolantComputationTime, 10498 NumberOfCodeBlocks, 10498 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 10465 ConstructedInterpolants, 0 QuantifiedInterpolants, 31565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6459 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 7375/7476 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) || (((((((a5 == 1 && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a3 <= 0) && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a11 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 1) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a4 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a11 == 1) && a4 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 == 0) && a27 == 1) && a12 == a19) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) || (((((((a5 == 1 && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 0) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a4 == 1) && a27 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 0) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a5 == 1 && !(a26 == 1)) && a3 <= 0) && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a11 == 1) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && a11 == 0) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && 2 <= a3) && a12 == a11) && a11 == 1) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a6 == 1) && a4 == 1) && a18 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 0) && a11 == 1) && a4 == 1) && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a0 == 1) && a18 == 1)) || (((((((a5 == 1 && a3 <= 0) && a11 == 0) && a6 == 1) && a4 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a11 == 0) && a12 == 0) && a27 == 1) && a0 == 1) && a18 == 1) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a4 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a4 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a11 == 1) && a4 == 1) && a12 == 0) && a0 == 1) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 == 0) && a27 == 1) && a12 == a19) && a18 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) RESULT: Ultimate proved your program to be correct! [2021-08-25 20:49:24,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...