./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label33.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_label33.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 b936499c618953079e53bf3f0c3afd5dfbaafbc2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:47:14,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 20:47:14,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 20:47:14,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 20:47:14,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 20:47:14,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 20:47:14,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 20:47:14,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 20:47:14,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 20:47:14,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 20:47:14,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 20:47:14,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 20:47:14,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 20:47:14,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 20:47:14,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 20:47:14,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 20:47:14,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 20:47:14,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 20:47:14,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 20:47:14,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 20:47:14,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 20:47:14,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 20:47:14,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 20:47:14,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 20:47:14,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 20:47:14,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 20:47:14,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 20:47:14,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 20:47:14,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 20:47:14,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 20:47:14,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 20:47:14,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 20:47:14,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 20:47:14,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 20:47:14,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 20:47:14,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 20:47:14,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 20:47:14,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 20:47:14,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 20:47:14,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 20:47:14,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 20:47:14,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 20:47:14,672 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 20:47:14,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 20:47:14,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 20:47:14,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 20:47:14,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 20:47:14,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 20:47:14,676 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 20:47:14,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 20:47:14,676 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 20:47:14,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 20:47:14,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 20:47:14,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 20:47:14,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 20:47:14,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 20:47:14,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 20:47:14,677 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 20:47:14,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 20:47:14,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 20:47:14,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 20:47:14,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 20:47:14,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 20:47:14,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 20:47:14,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:47:14,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 20:47:14,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 20:47:14,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 20:47:14,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 20:47:14,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 20:47:14,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 20:47:14,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 20:47:14,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b936499c618953079e53bf3f0c3afd5dfbaafbc2 [2021-08-25 20:47:14,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 20:47:14,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 20:47:14,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 20:47:14,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 20:47:14,948 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 20:47:14,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-08-25 20:47:15,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448928a20/9a98910ab16f4b89a888ca49af1335b4/FLAGf7dd4c555 [2021-08-25 20:47:15,526 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 20:47:15,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-08-25 20:47:15,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448928a20/9a98910ab16f4b89a888ca49af1335b4/FLAGf7dd4c555 [2021-08-25 20:47:16,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448928a20/9a98910ab16f4b89a888ca49af1335b4 [2021-08-25 20:47:16,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 20:47:16,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 20:47:16,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 20:47:16,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 20:47:16,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 20:47:16,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f754562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16, skipping insertion in model container [2021-08-25 20:47:16,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 20:47:16,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 20:47:16,435 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_label33.c[55678,55691] [2021-08-25 20:47:16,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:47:16,503 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 20:47:16,593 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_label33.c[55678,55691] [2021-08-25 20:47:16,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:47:16,614 INFO L208 MainTranslator]: Completed translation [2021-08-25 20:47:16,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16 WrapperNode [2021-08-25 20:47:16,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 20:47:16,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 20:47:16,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 20:47:16,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 20:47:16,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 20:47:16,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 20:47:16,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 20:47:16,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 20:47:16,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 20:47:16,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 20:47:16,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 20:47:16,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 20:47:16,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (1/1) ... [2021-08-25 20:47:16,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:47:16,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:47:16,873 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 20:47:16,883 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 20:47:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 20:47:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 20:47:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 20:47:16,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 20:47:18,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 20:47:18,286 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 20:47:18,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:47:18 BoogieIcfgContainer [2021-08-25 20:47:18,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 20:47:18,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 20:47:18,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 20:47:18,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 20:47:18,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 08:47:16" (1/3) ... [2021-08-25 20:47:18,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3857dc4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:47:18, skipping insertion in model container [2021-08-25 20:47:18,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:47:16" (2/3) ... [2021-08-25 20:47:18,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3857dc4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:47:18, skipping insertion in model container [2021-08-25 20:47:18,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:47:18" (3/3) ... [2021-08-25 20:47:18,294 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2021-08-25 20:47:18,298 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 20:47:18,298 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 20:47:18,329 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 20:47:18,334 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 20:47:18,334 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 20:47:18,346 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 20:47:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-08-25 20:47:18,354 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:18,354 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] [2021-08-25 20:47:18,355 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:18,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:18,358 INFO L82 PathProgramCache]: Analyzing trace with hash 263676051, now seen corresponding path program 1 times [2021-08-25 20:47:18,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:18,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655986329] [2021-08-25 20:47:18,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:18,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:18,669 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 20:47:18,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:18,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655986329] [2021-08-25 20:47:18,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655986329] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:18,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:18,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:47:18,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849424379] [2021-08-25 20:47:18,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:18,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:18,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:18,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:18,691 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 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:47:19,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:19,673 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2021-08-25 20:47:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:19,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-08-25 20:47:19,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:19,683 INFO L225 Difference]: With dead ends: 829 [2021-08-25 20:47:19,684 INFO L226 Difference]: Without dead ends: 463 [2021-08-25 20:47:19,686 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:19,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-08-25 20:47:19,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2021-08-25 20:47:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.6183035714285714) internal successors, (725), 448 states have internal predecessors, (725), 0 states have call successors, (0), 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 20:47:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2021-08-25 20:47:19,725 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 159 [2021-08-25 20:47:19,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:19,726 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2021-08-25 20:47:19,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:47:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2021-08-25 20:47:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-08-25 20:47:19,728 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:19,729 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:19,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 20:47:19,729 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:19,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:19,729 INFO L82 PathProgramCache]: Analyzing trace with hash 2003484099, now seen corresponding path program 1 times [2021-08-25 20:47:19,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:19,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063922171] [2021-08-25 20:47:19,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:19,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:47:19,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:19,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063922171] [2021-08-25 20:47:19,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063922171] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:19,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:19,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:47:19,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834704783] [2021-08-25 20:47:19,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:19,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:19,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:19,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:19,819 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 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 20:47:20,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:20,443 INFO L93 Difference]: Finished difference Result 1319 states and 2138 transitions. [2021-08-25 20:47:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:20,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2021-08-25 20:47:20,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:20,447 INFO L225 Difference]: With dead ends: 1319 [2021-08-25 20:47:20,448 INFO L226 Difference]: Without dead ends: 872 [2021-08-25 20:47:20,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:20,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-08-25 20:47:20,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 870. [2021-08-25 20:47:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 0 states have call successors, (0), 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 20:47:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2021-08-25 20:47:20,489 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 164 [2021-08-25 20:47:20,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:20,491 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2021-08-25 20:47:20,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 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 20:47:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2021-08-25 20:47:20,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-08-25 20:47:20,497 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:20,498 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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 20:47:20,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 20:47:20,498 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:20,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:20,500 INFO L82 PathProgramCache]: Analyzing trace with hash -254954995, now seen corresponding path program 1 times [2021-08-25 20:47:20,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:20,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10161689] [2021-08-25 20:47:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:20,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:47:20,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:20,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10161689] [2021-08-25 20:47:20,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10161689] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:20,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:20,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:47:20,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572995455] [2021-08-25 20:47:20,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:20,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:20,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:20,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:20,624 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:47:21,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:21,291 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2021-08-25 20:47:21,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:21,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2021-08-25 20:47:21,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:21,297 INFO L225 Difference]: With dead ends: 2554 [2021-08-25 20:47:21,297 INFO L226 Difference]: Without dead ends: 1686 [2021-08-25 20:47:21,298 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 20:47:21,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-08-25 20:47:21,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2021-08-25 20:47:21,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3363042186571599) internal successors, (2249), 1683 states have internal predecessors, (2249), 0 states have call successors, (0), 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 20:47:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2249 transitions. [2021-08-25 20:47:21,321 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2249 transitions. Word has length 179 [2021-08-25 20:47:21,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:21,321 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2249 transitions. [2021-08-25 20:47:21,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:47:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2249 transitions. [2021-08-25 20:47:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-08-25 20:47:21,323 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:21,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:21,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 20:47:21,324 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:21,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:21,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1714782896, now seen corresponding path program 1 times [2021-08-25 20:47:21,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:21,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524710003] [2021-08-25 20:47:21,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:21,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:47:21,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:21,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524710003] [2021-08-25 20:47:21,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524710003] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:21,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:21,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:47:21,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739749805] [2021-08-25 20:47:21,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:21,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:21,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:21,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:21,368 INFO L87 Difference]: Start difference. First operand 1684 states and 2249 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 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 20:47:22,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:22,011 INFO L93 Difference]: Finished difference Result 5003 states and 6686 transitions. [2021-08-25 20:47:22,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:22,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 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 182 [2021-08-25 20:47:22,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:22,020 INFO L225 Difference]: With dead ends: 5003 [2021-08-25 20:47:22,020 INFO L226 Difference]: Without dead ends: 3321 [2021-08-25 20:47:22,022 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2021-08-25 20:47:22,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3320. [2021-08-25 20:47:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3319 states have (on average 1.284423018981621) internal successors, (4263), 3319 states have internal predecessors, (4263), 0 states have call successors, (0), 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 20:47:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4263 transitions. [2021-08-25 20:47:22,067 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4263 transitions. Word has length 182 [2021-08-25 20:47:22,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:22,067 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4263 transitions. [2021-08-25 20:47:22,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 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 20:47:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4263 transitions. [2021-08-25 20:47:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-08-25 20:47:22,071 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:22,072 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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] [2021-08-25 20:47:22,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 20:47:22,072 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:22,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:22,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1011754139, now seen corresponding path program 1 times [2021-08-25 20:47:22,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:22,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013991493] [2021-08-25 20:47:22,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:22,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:47:22,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:22,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013991493] [2021-08-25 20:47:22,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013991493] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:22,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:22,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:47:22,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956726133] [2021-08-25 20:47:22,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:22,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:22,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:22,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:22,128 INFO L87 Difference]: Start difference. First operand 3320 states and 4263 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 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 20:47:22,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:22,844 INFO L93 Difference]: Finished difference Result 9900 states and 12714 transitions. [2021-08-25 20:47:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:22,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 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 194 [2021-08-25 20:47:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:22,862 INFO L225 Difference]: With dead ends: 9900 [2021-08-25 20:47:22,862 INFO L226 Difference]: Without dead ends: 6582 [2021-08-25 20:47:22,866 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:22,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2021-08-25 20:47:22,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 6577. [2021-08-25 20:47:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 6576 states have (on average 1.2244525547445255) internal successors, (8052), 6576 states have internal predecessors, (8052), 0 states have call successors, (0), 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 20:47:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 8052 transitions. [2021-08-25 20:47:22,961 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 8052 transitions. Word has length 194 [2021-08-25 20:47:22,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:22,961 INFO L470 AbstractCegarLoop]: Abstraction has 6577 states and 8052 transitions. [2021-08-25 20:47:22,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 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 20:47:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 8052 transitions. [2021-08-25 20:47:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-08-25 20:47:22,968 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:22,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:22,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 20:47:22,969 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:22,969 INFO L82 PathProgramCache]: Analyzing trace with hash -802689500, now seen corresponding path program 1 times [2021-08-25 20:47:22,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:22,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614009664] [2021-08-25 20:47:22,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:22,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:47:23,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:23,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614009664] [2021-08-25 20:47:23,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614009664] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:23,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:23,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:47:23,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864541592] [2021-08-25 20:47:23,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:23,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:23,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:23,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:23,022 INFO L87 Difference]: Start difference. First operand 6577 states and 8052 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 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 20:47:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:23,807 INFO L93 Difference]: Finished difference Result 16027 states and 19627 transitions. [2021-08-25 20:47:23,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:23,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 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 20:47:23,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:23,831 INFO L225 Difference]: With dead ends: 16027 [2021-08-25 20:47:23,831 INFO L226 Difference]: Without dead ends: 9452 [2021-08-25 20:47:23,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:23,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2021-08-25 20:47:23,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9439. [2021-08-25 20:47:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 9438 states have (on average 1.2134986225895317) internal successors, (11453), 9438 states have internal predecessors, (11453), 0 states have call successors, (0), 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 20:47:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 11453 transitions. [2021-08-25 20:47:23,960 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 11453 transitions. Word has length 200 [2021-08-25 20:47:23,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:23,961 INFO L470 AbstractCegarLoop]: Abstraction has 9439 states and 11453 transitions. [2021-08-25 20:47:23,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 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 20:47:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 11453 transitions. [2021-08-25 20:47:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-08-25 20:47:23,995 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:23,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:23,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 20:47:23,995 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:23,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:23,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1201761841, now seen corresponding path program 1 times [2021-08-25 20:47:23,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:23,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665125426] [2021-08-25 20:47:23,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:23,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:47:24,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:24,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665125426] [2021-08-25 20:47:24,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665125426] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:47:24,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095258459] [2021-08-25 20:47:24,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:24,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:47:24,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:47:24,064 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 20:47:24,104 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 20:47:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:24,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:47:24,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:47:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:47:24,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095258459] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:24,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:47:24,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:47:24,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826541994] [2021-08-25 20:47:24,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:24,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:24,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:24,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:24,808 INFO L87 Difference]: Start difference. First operand 9439 states and 11453 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 20:47:25,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:25,499 INFO L93 Difference]: Finished difference Result 22562 states and 27745 transitions. [2021-08-25 20:47:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:25,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-08-25 20:47:25,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:25,539 INFO L225 Difference]: With dead ends: 22562 [2021-08-25 20:47:25,539 INFO L226 Difference]: Without dead ends: 13125 [2021-08-25 20:47:25,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:25,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13125 states. [2021-08-25 20:47:25,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13125 to 12084. [2021-08-25 20:47:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12084 states, 12083 states have (on average 1.246048166845982) internal successors, (15056), 12083 states have internal predecessors, (15056), 0 states have call successors, (0), 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 20:47:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12084 states to 12084 states and 15056 transitions. [2021-08-25 20:47:25,735 INFO L78 Accepts]: Start accepts. Automaton has 12084 states and 15056 transitions. Word has length 207 [2021-08-25 20:47:25,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:25,735 INFO L470 AbstractCegarLoop]: Abstraction has 12084 states and 15056 transitions. [2021-08-25 20:47:25,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 20:47:25,736 INFO L276 IsEmpty]: Start isEmpty. Operand 12084 states and 15056 transitions. [2021-08-25 20:47:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-08-25 20:47:25,749 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:25,749 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:25,770 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 20:47:25,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:47:25,963 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:25,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:25,963 INFO L82 PathProgramCache]: Analyzing trace with hash -964122806, now seen corresponding path program 1 times [2021-08-25 20:47:25,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:25,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058299903] [2021-08-25 20:47:25,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:25,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-08-25 20:47:26,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:26,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058299903] [2021-08-25 20:47:26,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058299903] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:47:26,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861266906] [2021-08-25 20:47:26,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:26,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:47:26,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:47:26,037 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 20:47:26,072 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 20:47:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:26,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:47:26,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:47:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:47:26,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861266906] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:26,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:47:26,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:47:26,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606497039] [2021-08-25 20:47:26,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:26,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:26,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:26,770 INFO L87 Difference]: Start difference. First operand 12084 states and 15056 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 20:47:27,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:27,616 INFO L93 Difference]: Finished difference Result 30056 states and 38131 transitions. [2021-08-25 20:47:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:27,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2021-08-25 20:47:27,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:27,647 INFO L225 Difference]: With dead ends: 30056 [2021-08-25 20:47:27,647 INFO L226 Difference]: Without dead ends: 18177 [2021-08-25 20:47:27,661 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18177 states. [2021-08-25 20:47:27,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18177 to 18174. [2021-08-25 20:47:27,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18174 states, 18173 states have (on average 1.2068453199801903) internal successors, (21932), 18173 states have internal predecessors, (21932), 0 states have call successors, (0), 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 20:47:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18174 states to 18174 states and 21932 transitions. [2021-08-25 20:47:27,868 INFO L78 Accepts]: Start accepts. Automaton has 18174 states and 21932 transitions. Word has length 226 [2021-08-25 20:47:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:27,869 INFO L470 AbstractCegarLoop]: Abstraction has 18174 states and 21932 transitions. [2021-08-25 20:47:27,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 20:47:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 18174 states and 21932 transitions. [2021-08-25 20:47:27,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-08-25 20:47:27,886 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:27,886 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:27,920 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 20:47:28,103 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,SelfDestructingSolverStorable7 [2021-08-25 20:47:28,104 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:28,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1990507994, now seen corresponding path program 1 times [2021-08-25 20:47:28,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:28,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160346898] [2021-08-25 20:47:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:28,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-08-25 20:47:28,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:28,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160346898] [2021-08-25 20:47:28,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160346898] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:28,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:28,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:47:28,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177777356] [2021-08-25 20:47:28,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:28,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:28,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:28,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:28,165 INFO L87 Difference]: Start difference. First operand 18174 states and 21932 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 20:47:28,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:28,939 INFO L93 Difference]: Finished difference Result 39207 states and 47371 transitions. [2021-08-25 20:47:28,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:28,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 230 [2021-08-25 20:47:28,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:28,970 INFO L225 Difference]: With dead ends: 39207 [2021-08-25 20:47:28,971 INFO L226 Difference]: Without dead ends: 21238 [2021-08-25 20:47:28,982 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:28,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21238 states. [2021-08-25 20:47:29,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21238 to 20001. [2021-08-25 20:47:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20001 states, 20000 states have (on average 1.18665) internal successors, (23733), 20000 states have internal predecessors, (23733), 0 states have call successors, (0), 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 20:47:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20001 states to 20001 states and 23733 transitions. [2021-08-25 20:47:29,170 INFO L78 Accepts]: Start accepts. Automaton has 20001 states and 23733 transitions. Word has length 230 [2021-08-25 20:47:29,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:29,170 INFO L470 AbstractCegarLoop]: Abstraction has 20001 states and 23733 transitions. [2021-08-25 20:47:29,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 20:47:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 20001 states and 23733 transitions. [2021-08-25 20:47:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-08-25 20:47:29,187 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:29,187 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-08-25 20:47:29,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 20:47:29,187 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:29,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:29,188 INFO L82 PathProgramCache]: Analyzing trace with hash -392881298, now seen corresponding path program 1 times [2021-08-25 20:47:29,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:29,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770022647] [2021-08-25 20:47:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:29,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-08-25 20:47:29,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:29,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770022647] [2021-08-25 20:47:29,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770022647] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:47:29,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038937819] [2021-08-25 20:47:29,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:29,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:47:29,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:47:29,250 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 20:47:29,277 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 20:47:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:29,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:47:29,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:47:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-25 20:47:30,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038937819] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:30,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:47:30,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:47:30,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704529875] [2021-08-25 20:47:30,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:30,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:30,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:30,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:30,081 INFO L87 Difference]: Start difference. First operand 20001 states and 23733 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 20:47:30,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:30,918 INFO L93 Difference]: Finished difference Result 39595 states and 47011 transitions. [2021-08-25 20:47:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:30,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 20:47:30,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:30,947 INFO L225 Difference]: With dead ends: 39595 [2021-08-25 20:47:30,947 INFO L226 Difference]: Without dead ends: 19799 [2021-08-25 20:47:30,964 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:30,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19799 states. [2021-08-25 20:47:31,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19799 to 19796. [2021-08-25 20:47:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19796 states, 19795 states have (on average 1.1763071482697651) internal successors, (23285), 19795 states have internal predecessors, (23285), 0 states have call successors, (0), 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 20:47:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19796 states to 19796 states and 23285 transitions. [2021-08-25 20:47:31,204 INFO L78 Accepts]: Start accepts. Automaton has 19796 states and 23285 transitions. Word has length 246 [2021-08-25 20:47:31,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:31,205 INFO L470 AbstractCegarLoop]: Abstraction has 19796 states and 23285 transitions. [2021-08-25 20:47:31,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 20:47:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 19796 states and 23285 transitions. [2021-08-25 20:47:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-08-25 20:47:31,223 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:31,223 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-08-25 20:47:31,243 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 20:47:31,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:47:31,433 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:31,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:31,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1765368577, now seen corresponding path program 1 times [2021-08-25 20:47:31,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:31,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748132795] [2021-08-25 20:47:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:31,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:31,520 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-08-25 20:47:31,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:31,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748132795] [2021-08-25 20:47:31,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748132795] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:31,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:31,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:47:31,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508996309] [2021-08-25 20:47:31,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:47:31,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:31,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:47:31,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:47:31,522 INFO L87 Difference]: Start difference. First operand 19796 states and 23285 transitions. Second operand has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 20:47:32,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:32,703 INFO L93 Difference]: Finished difference Result 39415 states and 46403 transitions. [2021-08-25 20:47:32,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:47:32,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 20:47:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:32,729 INFO L225 Difference]: With dead ends: 39415 [2021-08-25 20:47:32,729 INFO L226 Difference]: Without dead ends: 19824 [2021-08-25 20:47:32,740 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:47:32,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19824 states. [2021-08-25 20:47:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19824 to 18576. [2021-08-25 20:47:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18576 states, 18575 states have (on average 1.1795962314939434) internal successors, (21911), 18575 states have internal predecessors, (21911), 0 states have call successors, (0), 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 20:47:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18576 states to 18576 states and 21911 transitions. [2021-08-25 20:47:32,928 INFO L78 Accepts]: Start accepts. Automaton has 18576 states and 21911 transitions. Word has length 246 [2021-08-25 20:47:32,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:32,931 INFO L470 AbstractCegarLoop]: Abstraction has 18576 states and 21911 transitions. [2021-08-25 20:47:32,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.75) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 20:47:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 18576 states and 21911 transitions. [2021-08-25 20:47:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-08-25 20:47:32,942 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:32,943 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-08-25 20:47:32,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 20:47:32,943 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:32,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:32,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1579003028, now seen corresponding path program 1 times [2021-08-25 20:47:32,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:32,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369464590] [2021-08-25 20:47:32,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:32,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-08-25 20:47:33,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:33,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369464590] [2021-08-25 20:47:33,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369464590] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:47:33,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222659395] [2021-08-25 20:47:33,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:33,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:47:33,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:47:33,012 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 20:47:33,013 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 20:47:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:33,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:47:33,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:47:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-08-25 20:47:33,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222659395] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:33,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:47:33,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:47:33,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836708536] [2021-08-25 20:47:33,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:33,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:33,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:33,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:33,887 INFO L87 Difference]: Start difference. First operand 18576 states and 21911 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 20:47:34,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:34,666 INFO L93 Difference]: Finished difference Result 36766 states and 43373 transitions. [2021-08-25 20:47:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:34,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 20:47:34,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:34,691 INFO L225 Difference]: With dead ends: 36766 [2021-08-25 20:47:34,692 INFO L226 Difference]: Without dead ends: 18395 [2021-08-25 20:47:34,705 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:34,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18395 states. [2021-08-25 20:47:34,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18395 to 18373. [2021-08-25 20:47:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18373 states, 18372 states have (on average 1.1688983235358155) internal successors, (21475), 18372 states have internal predecessors, (21475), 0 states have call successors, (0), 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 20:47:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18373 states to 18373 states and 21475 transitions. [2021-08-25 20:47:34,875 INFO L78 Accepts]: Start accepts. Automaton has 18373 states and 21475 transitions. Word has length 253 [2021-08-25 20:47:34,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:34,875 INFO L470 AbstractCegarLoop]: Abstraction has 18373 states and 21475 transitions. [2021-08-25 20:47:34,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 20:47:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 18373 states and 21475 transitions. [2021-08-25 20:47:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-08-25 20:47:34,887 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:34,888 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:34,908 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 20:47:35,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:47:35,089 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:35,089 INFO L82 PathProgramCache]: Analyzing trace with hash -401465329, now seen corresponding path program 1 times [2021-08-25 20:47:35,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:35,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222935881] [2021-08-25 20:47:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:35,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:47:35,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:35,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222935881] [2021-08-25 20:47:35,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222935881] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:35,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:35,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:47:35,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618265267] [2021-08-25 20:47:35,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:35,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:35,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:35,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:35,160 INFO L87 Difference]: Start difference. First operand 18373 states and 21475 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:47:35,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:35,882 INFO L93 Difference]: Finished difference Result 35309 states and 41224 transitions. [2021-08-25 20:47:35,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:35,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 258 [2021-08-25 20:47:35,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:35,903 INFO L225 Difference]: With dead ends: 35309 [2021-08-25 20:47:35,903 INFO L226 Difference]: Without dead ends: 17141 [2021-08-25 20:47:35,914 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:35,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17141 states. [2021-08-25 20:47:36,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17141 to 17140. [2021-08-25 20:47:36,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17140 states, 17139 states have (on average 1.1362973335667192) internal successors, (19475), 17139 states have internal predecessors, (19475), 0 states have call successors, (0), 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 20:47:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17140 states to 17140 states and 19475 transitions. [2021-08-25 20:47:36,071 INFO L78 Accepts]: Start accepts. Automaton has 17140 states and 19475 transitions. Word has length 258 [2021-08-25 20:47:36,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:36,072 INFO L470 AbstractCegarLoop]: Abstraction has 17140 states and 19475 transitions. [2021-08-25 20:47:36,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:47:36,072 INFO L276 IsEmpty]: Start isEmpty. Operand 17140 states and 19475 transitions. [2021-08-25 20:47:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-08-25 20:47:36,086 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:36,086 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 20:47:36,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 20:47:36,087 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:36,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:36,087 INFO L82 PathProgramCache]: Analyzing trace with hash 2083231653, now seen corresponding path program 1 times [2021-08-25 20:47:36,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:36,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868509396] [2021-08-25 20:47:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:36,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:47:36,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:36,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868509396] [2021-08-25 20:47:36,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868509396] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:36,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:36,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:47:36,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636684343] [2021-08-25 20:47:36,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:36,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:36,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:36,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:36,166 INFO L87 Difference]: Start difference. First operand 17140 states and 19475 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:47:36,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:36,909 INFO L93 Difference]: Finished difference Result 34883 states and 39531 transitions. [2021-08-25 20:47:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:36,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2021-08-25 20:47:36,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:36,928 INFO L225 Difference]: With dead ends: 34883 [2021-08-25 20:47:36,928 INFO L226 Difference]: Without dead ends: 17948 [2021-08-25 20:47:36,934 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:36,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17948 states. [2021-08-25 20:47:37,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17948 to 15306. [2021-08-25 20:47:37,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15306 states, 15305 states have (on average 1.1142763802678863) internal successors, (17054), 15305 states have internal predecessors, (17054), 0 states have call successors, (0), 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 20:47:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15306 states to 15306 states and 17054 transitions. [2021-08-25 20:47:37,096 INFO L78 Accepts]: Start accepts. Automaton has 15306 states and 17054 transitions. Word has length 278 [2021-08-25 20:47:37,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:37,097 INFO L470 AbstractCegarLoop]: Abstraction has 15306 states and 17054 transitions. [2021-08-25 20:47:37,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:47:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 15306 states and 17054 transitions. [2021-08-25 20:47:37,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-08-25 20:47:37,110 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:37,110 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:37,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 20:47:37,110 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:37,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:37,111 INFO L82 PathProgramCache]: Analyzing trace with hash -801775645, now seen corresponding path program 1 times [2021-08-25 20:47:37,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:37,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788699027] [2021-08-25 20:47:37,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:37,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-08-25 20:47:37,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:37,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788699027] [2021-08-25 20:47:37,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788699027] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:47:37,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521290969] [2021-08-25 20:47:37,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:37,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:47:37,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:47:37,193 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 20:47:37,194 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 20:47:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:37,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:47:37,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:47:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-08-25 20:47:38,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521290969] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:38,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:47:38,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:47:38,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285624126] [2021-08-25 20:47:38,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:38,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:38,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:38,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:38,345 INFO L87 Difference]: Start difference. First operand 15306 states and 17054 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 20:47:39,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:39,102 INFO L93 Difference]: Finished difference Result 37344 states and 41757 transitions. [2021-08-25 20:47:39,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:39,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 287 [2021-08-25 20:47:39,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:39,123 INFO L225 Difference]: With dead ends: 37344 [2021-08-25 20:47:39,123 INFO L226 Difference]: Without dead ends: 22446 [2021-08-25 20:47:39,131 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:47:39,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22446 states. [2021-08-25 20:47:39,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22446 to 21623. [2021-08-25 20:47:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21623 states, 21622 states have (on average 1.10785311257053) internal successors, (23954), 21622 states have internal predecessors, (23954), 0 states have call successors, (0), 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 20:47:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21623 states to 21623 states and 23954 transitions. [2021-08-25 20:47:39,324 INFO L78 Accepts]: Start accepts. Automaton has 21623 states and 23954 transitions. Word has length 287 [2021-08-25 20:47:39,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:39,325 INFO L470 AbstractCegarLoop]: Abstraction has 21623 states and 23954 transitions. [2021-08-25 20:47:39,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 20:47:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 21623 states and 23954 transitions. [2021-08-25 20:47:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-08-25 20:47:39,343 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:47:39,343 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:39,363 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 20:47:39,550 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,SelfDestructingSolverStorable14 [2021-08-25 20:47:39,550 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:47:39,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:47:39,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1366349276, now seen corresponding path program 1 times [2021-08-25 20:47:39,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:47:39,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260053222] [2021-08-25 20:47:39,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:47:39,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:47:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:47:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-25 20:47:39,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:47:39,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260053222] [2021-08-25 20:47:39,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260053222] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:47:39,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:47:39,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:47:39,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534878792] [2021-08-25 20:47:39,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:47:39,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:47:39,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:47:39,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:39,654 INFO L87 Difference]: Start difference. First operand 21623 states and 23954 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 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 20:47:40,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:47:40,343 INFO L93 Difference]: Finished difference Result 41200 states and 45671 transitions. [2021-08-25 20:47:40,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:47:40,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2021-08-25 20:47:40,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:47:40,344 INFO L225 Difference]: With dead ends: 41200 [2021-08-25 20:47:40,344 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 20:47:40,358 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:47:40,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 20:47:40,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 20:47:40,358 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 20:47:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 20:47:40,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2021-08-25 20:47:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:47:40,359 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 20:47:40,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 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 20:47:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 20:47:40,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 20:47:40,361 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 20:47:40,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 20:47:40,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 20:47:40,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:47:40,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:47:40,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:47:42,028 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-08-25 20:47:42,028 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-08-25 20:47:42,028 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,028 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-08-25 20:47:42,028 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-08-25 20:47:42,029 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-08-25 20:47:42,030 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-08-25 20:47:42,031 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,032 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-08-25 20:47:42,033 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,034 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-08-25 20:47:42,035 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-08-25 20:47:42,036 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-08-25 20:47:42,037 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-08-25 20:47:42,038 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,039 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,040 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1522) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-08-25 20:47:42,041 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-08-25 20:47:42,042 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-08-25 20:47:42,043 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-08-25 20:47:42,044 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-08-25 20:47:42,045 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-08-25 20:47:42,045 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,045 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,045 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,045 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse12 (<= ~a26~0 0)) (.cse2 (= ~a11~0 0)) (.cse9 (= ~a27~0 1)) (.cse10 (= ~a3~0 0)) (.cse5 (<= ~a6~0 0))) (let ((.cse6 (or (and .cse12 .cse2 .cse10 .cse5) (and .cse2 .cse9 .cse10 .cse5))) (.cse3 (= ~a6~0 1)) (.cse7 (<= ~a12~0 0)) (.cse4 (<= ~a27~0 0)) (.cse11 (= ~a26~0 1)) (.cse0 (= ~a12~0 1)) (.cse13 (<= ~a3~0 1)) (.cse1 (<= 1 ~a3~0)) (.cse8 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse8 .cse7 .cse9 .cse10 .cse5) (and .cse7 .cse6) (and .cse11 .cse1 .cse2 .cse7 .cse9 .cse5) (and .cse0 .cse1 .cse12 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse9) (and .cse8 .cse3 .cse7 .cse10 .cse4) (and .cse1 .cse8 .cse3 .cse7 .cse4) (and .cse11 .cse0 .cse8 .cse9 .cse10) (and .cse0 .cse8 .cse9 .cse10 .cse5) (and .cse11 .cse0 .cse2 .cse9 .cse10) (and .cse0 .cse8 .cse10 .cse4 .cse5) (and .cse1 .cse8 .cse7 .cse9 .cse5) (and .cse13 .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse11 .cse0 .cse2 .cse10 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse9) (and .cse0 .cse2 .cse3 .cse9 .cse10) (and .cse0 .cse8 .cse3 .cse9 .cse10) (and .cse13 .cse1 .cse8 .cse7 .cse4 .cse5) (and .cse8 .cse7 .cse10 .cse4 .cse5) (and .cse0 .cse13 .cse1 .cse12 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse11 .cse0 .cse1 .cse8 .cse4 .cse5) (and .cse11 .cse0 .cse8 .cse3 .cse10 .cse4) (and .cse2 .cse3 .cse7 .cse9 .cse10) (and .cse1 .cse8 .cse3 .cse7 .cse9) (and .cse0 .cse1 .cse12 .cse8 .cse9 .cse5) (and .cse0 .cse2 .cse3 .cse10 .cse4) (and .cse8 .cse3 .cse7 .cse9 .cse10) (and .cse11 .cse0 .cse13 .cse1 .cse2 .cse9) (and .cse0 .cse13 .cse1 .cse8 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse9 .cse5) (and .cse2 .cse3 .cse7 .cse10 .cse4) (and .cse0 .cse1 .cse12 .cse2 .cse9 .cse5) (and .cse11 .cse0 .cse13 .cse1 .cse8 .cse9) (and .cse1 .cse12 .cse2 .cse7 .cse9 .cse5) (and .cse1 .cse12 .cse8 .cse7 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse8 .cse9 .cse5) (and .cse0 .cse13 .cse1 .cse8 .cse9 .cse5)))) [2021-08-25 20:47:42,045 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,046 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,047 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse12 (<= ~a26~0 0)) (.cse2 (= ~a11~0 0)) (.cse9 (= ~a27~0 1)) (.cse10 (= ~a3~0 0)) (.cse5 (<= ~a6~0 0))) (let ((.cse6 (or (and .cse12 .cse2 .cse10 .cse5) (and .cse2 .cse9 .cse10 .cse5))) (.cse3 (= ~a6~0 1)) (.cse7 (<= ~a12~0 0)) (.cse4 (<= ~a27~0 0)) (.cse11 (= ~a26~0 1)) (.cse0 (= ~a12~0 1)) (.cse13 (<= ~a3~0 1)) (.cse1 (<= 1 ~a3~0)) (.cse8 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse8 .cse7 .cse9 .cse10 .cse5) (and .cse7 .cse6) (and .cse11 .cse1 .cse2 .cse7 .cse9 .cse5) (and .cse0 .cse1 .cse12 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse9) (and .cse8 .cse3 .cse7 .cse10 .cse4) (and .cse1 .cse8 .cse3 .cse7 .cse4) (and .cse11 .cse0 .cse8 .cse9 .cse10) (and .cse0 .cse8 .cse9 .cse10 .cse5) (and .cse11 .cse0 .cse2 .cse9 .cse10) (and .cse0 .cse8 .cse10 .cse4 .cse5) (and .cse1 .cse8 .cse7 .cse9 .cse5) (and .cse13 .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse11 .cse0 .cse2 .cse10 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse9) (and .cse0 .cse2 .cse3 .cse9 .cse10) (and .cse0 .cse8 .cse3 .cse9 .cse10) (and .cse13 .cse1 .cse8 .cse7 .cse4 .cse5) (and .cse8 .cse7 .cse10 .cse4 .cse5) (and .cse0 .cse13 .cse1 .cse12 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse11 .cse0 .cse1 .cse8 .cse4 .cse5) (and .cse11 .cse0 .cse8 .cse3 .cse10 .cse4) (and .cse2 .cse3 .cse7 .cse9 .cse10) (and .cse1 .cse8 .cse3 .cse7 .cse9) (and .cse0 .cse1 .cse12 .cse8 .cse9 .cse5) (and .cse0 .cse2 .cse3 .cse10 .cse4) (and .cse8 .cse3 .cse7 .cse9 .cse10) (and .cse11 .cse0 .cse13 .cse1 .cse2 .cse9) (and .cse0 .cse13 .cse1 .cse8 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse9 .cse5) (and .cse2 .cse3 .cse7 .cse10 .cse4) (and .cse0 .cse1 .cse12 .cse2 .cse9 .cse5) (and .cse11 .cse0 .cse13 .cse1 .cse8 .cse9) (and .cse1 .cse12 .cse2 .cse7 .cse9 .cse5) (and .cse1 .cse12 .cse8 .cse7 .cse4 .cse5) (and .cse11 .cse0 .cse1 .cse8 .cse9 .cse5) (and .cse0 .cse13 .cse1 .cse8 .cse9 .cse5)))) [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-08-25 20:47:42,048 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-08-25 20:47:42,049 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-08-25 20:47:42,050 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-08-25 20:47:42,051 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,052 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-08-25 20:47:42,053 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,054 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,054 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:42,056 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 20:47:42,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 08:47:42 BoogieIcfgContainer [2021-08-25 20:47:42,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 20:47:42,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 20:47:42,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 20:47:42,077 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 20:47:42,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:47:18" (3/4) ... [2021-08-25 20:47:42,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 20:47:42,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 20:47:42,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 20:47:42,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 20:47:42,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 20:47:42,234 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 20:47:42,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 20:47:42,236 INFO L168 Benchmark]: Toolchain (without parser) took 26194.04 ms. Allocated memory was 52.4 MB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Free memory was 35.6 MB in the beginning and 670.1 MB in the end (delta: -634.5 MB). Peak memory consumption was 460.6 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:42,236 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:47:42,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.13 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 35.5 MB in the beginning and 34.9 MB in the end (delta: 617.5 kB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:42,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.27 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.9 MB in the beginning and 45.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:42,237 INFO L168 Benchmark]: Boogie Preprocessor took 117.69 ms. Allocated memory is still 83.9 MB. Free memory was 45.8 MB in the beginning and 46.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:42,237 INFO L168 Benchmark]: RCFGBuilder took 1435.85 ms. Allocated memory was 83.9 MB in the beginning and 209.7 MB in the end (delta: 125.8 MB). Free memory was 46.6 MB in the beginning and 78.2 MB in the end (delta: -31.6 MB). Peak memory consumption was 95.5 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:42,237 INFO L168 Benchmark]: TraceAbstraction took 23786.71 ms. Allocated memory was 209.7 MB in the beginning and 1.1 GB in the end (delta: 939.5 MB). Free memory was 77.2 MB in the beginning and 707.9 MB in the end (delta: -630.7 MB). Peak memory consumption was 681.1 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:42,237 INFO L168 Benchmark]: Witness Printer took 157.55 ms. Allocated memory is still 1.1 GB. Free memory was 707.9 MB in the beginning and 670.1 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:42,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 573.13 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 35.5 MB in the beginning and 34.9 MB in the end (delta: 617.5 kB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.27 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 34.9 MB in the beginning and 45.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.69 ms. Allocated memory is still 83.9 MB. Free memory was 45.8 MB in the beginning and 46.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1435.85 ms. Allocated memory was 83.9 MB in the beginning and 209.7 MB in the end (delta: 125.8 MB). Free memory was 46.6 MB in the beginning and 78.2 MB in the end (delta: -31.6 MB). Peak memory consumption was 95.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23786.71 ms. Allocated memory was 209.7 MB in the beginning and 1.1 GB in the end (delta: 939.5 MB). Free memory was 77.2 MB in the beginning and 707.9 MB in the end (delta: -630.7 MB). Peak memory consumption was 681.1 MB. Max. memory is 16.1 GB. * Witness Printer took 157.55 ms. Allocated memory is still 1.1 GB. Free memory was 707.9 MB in the beginning and 670.1 MB in the end (delta: 37.7 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: 1522]: 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: 23727.9ms, OverallIterations: 16, TraceHistogramMax: 7, EmptinessCheckTime: 197.0ms, AutomataDifference: 12914.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1666.2ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3726 SDtfs, 3557 SDslu, 418 SDs, 0 SdLazy, 10145 SolverSat, 2085 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8353.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1258 GetRequests, 1231 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 79.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=21623occurred in iteration=15, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2041.5ms AutomataMinimizationTime, 16 MinimizatonAttempts, 7057 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 193 NumberOfFragments, 1521 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4772 FormulaSimplificationTreeSizeReduction, 154.5ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 490 FormulaSimplificationTreeSizeReductionInter, 1503.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 297.1ms SsaConstructionTime, 738.4ms SatisfiabilityAnalysisTime, 3659.4ms InterpolantComputationTime, 4840 NumberOfCodeBlocks, 4840 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4819 ConstructedInterpolants, 0 QuantifiedInterpolants, 8296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2688 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 21 InterpolantComputations, 16 PerfectInterpolantSequences, 2674/2704 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: ((((((((((((((((((((((((((((((((((((((((((((a12 == 1 && 1 <= a3) && a11 == 0) && a6 == 1) && a27 <= 0) || ((((a12 == 1 && 1 <= a3) && a11 == 0) && a27 <= 0) && a6 <= 0)) || (a12 == 1 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || ((((1 <= a3 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a11 == 1 && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || (a12 <= 0 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || (((((a26 == 1 && 1 <= a3) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a26 == 1 && a12 == 1) && a11 == 1) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((a26 == 1 && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((1 <= a3 && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a3 <= 1 && 1 <= a3) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a11 == 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((1 <= a3 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a12 == 1 && a11 == 0) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((a3 <= 1 && 1 <= a3) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a11 == 1 && a12 <= 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a12 == 1 && a3 <= 1) && 1 <= a3) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((a11 == 0 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 == 1) && a6 <= 0)) || ((((a12 == 1 && a11 == 0) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 0) && a27 == 1)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 0) && a27 == 1) && a6 <= 0)) || ((((a11 == 0 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1)) || (((((1 <= a3 && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((1 <= a3 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((a12 == 1 && 1 <= a3) && a11 == 0) && a6 == 1) && a27 <= 0) || ((((a12 == 1 && 1 <= a3) && a11 == 0) && a27 <= 0) && a6 <= 0)) || (a12 == 1 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || ((((1 <= a3 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a11 == 1 && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || (a12 <= 0 && ((((a26 <= 0 && a11 == 0) && a3 == 0) && a6 <= 0) || (((a11 == 0 && a27 == 1) && a3 == 0) && a6 <= 0)))) || (((((a26 == 1 && 1 <= a3) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 <= 0) && a6 <= 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((a26 == 1 && a12 == 1) && a11 == 1) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((a26 == 1 && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((1 <= a3 && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a3 <= 1 && 1 <= a3) && a11 == 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a11 == 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((1 <= a3 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a12 == 1 && a11 == 0) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((a12 == 1 && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((a3 <= 1 && 1 <= a3) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a11 == 1 && a12 <= 0) && a3 == 0) && a27 <= 0) && a6 <= 0)) || ((((((a12 == 1 && a3 <= 1) && 1 <= a3) && a26 <= 0) && a11 == 1) && a6 == 1) && a27 <= 0)) || ((((a12 == 1 && 1 <= a3) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a11 == 1) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((a11 == 0 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((1 <= a3 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 1) && a27 == 1) && a6 <= 0)) || ((((a12 == 1 && a11 == 0) && a6 == 1) && a3 == 0) && a27 <= 0)) || ((((a11 == 1 && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 0) && a27 == 1)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 0) && a27 == 1) && a6 <= 0)) || ((((a11 == 0 && a6 == 1) && a12 <= 0) && a3 == 0) && a27 <= 0)) || (((((a12 == 1 && 1 <= a3) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1)) || (((((1 <= a3 && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((1 <= a3 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a26 == 1 && a12 == 1) && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a12 == 1 && a3 <= 1) && 1 <= a3) && a11 == 1) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2021-08-25 20:47:42,269 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...