./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label54.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/Problem15_label54.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 998a1471250026a60ecdee8e9cadf2eb3e6d86ed ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:16:58,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:16:58,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:16:58,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:16:58,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:16:58,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:16:58,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:16:58,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:16:58,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:16:58,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:16:58,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:16:58,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:16:58,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:16:58,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:16:58,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:16:58,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:16:58,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:16:58,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:16:58,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:16:58,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:16:58,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:16:58,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:16:58,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:16:58,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:16:58,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:16:58,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:16:58,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:16:58,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:16:58,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:16:58,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:16:58,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:16:58,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:16:58,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:16:58,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:16:58,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:16:58,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:16:58,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:16:58,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:16:58,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:16:58,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:16:58,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:16:58,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:16:58,966 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:16:58,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:16:58,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:16:58,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:16:58,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:16:58,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:16:58,967 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:16:58,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:16:58,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:16:58,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:16:58,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:16:58,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:16:58,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:16:58,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 998a1471250026a60ecdee8e9cadf2eb3e6d86ed [2021-08-25 22:16:59,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:16:59,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:16:59,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:16:59,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:16:59,207 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:16:59,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label54.c [2021-08-25 22:16:59,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c924413/79b476864d704dba98a17f8c71ef6451/FLAGfdc5f81fa [2021-08-25 22:16:59,725 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:16:59,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label54.c [2021-08-25 22:16:59,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c924413/79b476864d704dba98a17f8c71ef6451/FLAGfdc5f81fa [2021-08-25 22:16:59,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56c924413/79b476864d704dba98a17f8c71ef6451 [2021-08-25 22:16:59,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:16:59,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:16:59,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:16:59,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:16:59,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:16:59,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:16:59" (1/1) ... [2021-08-25 22:16:59,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cae57cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:16:59, skipping insertion in model container [2021-08-25 22:16:59,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:16:59" (1/1) ... [2021-08-25 22:16:59,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:16:59,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:16:59,957 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/Problem15_label54.c[4982,4995] [2021-08-25 22:17:00,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:17:00,242 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:17:00,265 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/Problem15_label54.c[4982,4995] [2021-08-25 22:17:00,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:17:00,419 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:17:00,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00 WrapperNode [2021-08-25 22:17:00,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:17:00,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:17:00,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:17:00,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:17:00,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:17:00,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:17:00,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:17:00,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:17:00,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:17:00,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:17:00,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:17:00,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:17:00,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (1/1) ... [2021-08-25 22:17:00,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:17:00,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:17:00,819 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 22:17:00,845 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 22:17:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:17:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:17:00,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:17:00,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:17:02,674 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:17:02,674 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:17:02,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:17:02 BoogieIcfgContainer [2021-08-25 22:17:02,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:17:02,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:17:02,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:17:02,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:17:02,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:16:59" (1/3) ... [2021-08-25 22:17:02,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26753e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:17:02, skipping insertion in model container [2021-08-25 22:17:02,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:17:00" (2/3) ... [2021-08-25 22:17:02,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26753e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:17:02, skipping insertion in model container [2021-08-25 22:17:02,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:17:02" (3/3) ... [2021-08-25 22:17:02,680 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label54.c [2021-08-25 22:17:02,683 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:17:02,684 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:17:02,723 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:17:02,728 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 22:17:02,729 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:17:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 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 22:17:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-25 22:17:02,754 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:02,755 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] [2021-08-25 22:17:02,755 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:02,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:02,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2021-08-25 22:17:02,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:02,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024236041] [2021-08-25 22:17:02,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:02,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:02,941 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 22:17:02,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:02,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024236041] [2021-08-25 22:17:02,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024236041] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:02,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:02,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:02,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214444108] [2021-08-25 22:17:02,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:02,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:02,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:02,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:02,961 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 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 22:17:04,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:04,833 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2021-08-25 22:17:04,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:04,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2021-08-25 22:17:04,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:04,850 INFO L225 Difference]: With dead ends: 1191 [2021-08-25 22:17:04,850 INFO L226 Difference]: Without dead ends: 688 [2021-08-25 22:17:04,856 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 22:17:04,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-08-25 22:17:04,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2021-08-25 22:17:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.609720176730486) internal successors, (1093), 679 states have internal predecessors, (1093), 0 states have call successors, (0), 0 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 22:17:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2021-08-25 22:17:04,918 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 40 [2021-08-25 22:17:04,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:04,919 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2021-08-25 22:17:04,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 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 22:17:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2021-08-25 22:17:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-08-25 22:17:04,921 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:04,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:04,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:17:04,923 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:04,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:04,923 INFO L82 PathProgramCache]: Analyzing trace with hash -286708383, now seen corresponding path program 1 times [2021-08-25 22:17:04,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:04,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608253490] [2021-08-25 22:17:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:04,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:05,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:05,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608253490] [2021-08-25 22:17:05,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608253490] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:05,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:05,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:05,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515959152] [2021-08-25 22:17:05,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:05,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:05,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:05,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:05,005 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 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 22:17:06,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:06,502 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2021-08-25 22:17:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:06,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2021-08-25 22:17:06,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:06,509 INFO L225 Difference]: With dead ends: 1964 [2021-08-25 22:17:06,509 INFO L226 Difference]: Without dead ends: 1286 [2021-08-25 22:17:06,510 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 22:17:06,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2021-08-25 22:17:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2021-08-25 22:17:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.3953125) internal successors, (1786), 1280 states have internal predecessors, (1786), 0 states have call successors, (0), 0 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 22:17:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2021-08-25 22:17:06,530 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 108 [2021-08-25 22:17:06,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:06,531 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2021-08-25 22:17:06,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 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 22:17:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2021-08-25 22:17:06,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-08-25 22:17:06,532 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:06,533 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:06,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:17:06,533 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:06,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:06,533 INFO L82 PathProgramCache]: Analyzing trace with hash 344138829, now seen corresponding path program 1 times [2021-08-25 22:17:06,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:06,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916477806] [2021-08-25 22:17:06,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:06,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:06,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:06,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916477806] [2021-08-25 22:17:06,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916477806] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:06,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:06,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:06,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755675129] [2021-08-25 22:17:06,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:06,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:06,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:06,642 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:07,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:07,842 INFO L93 Difference]: Finished difference Result 2859 states and 3905 transitions. [2021-08-25 22:17:07,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:07,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-08-25 22:17:07,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:07,849 INFO L225 Difference]: With dead ends: 2859 [2021-08-25 22:17:07,849 INFO L226 Difference]: Without dead ends: 1580 [2021-08-25 22:17:07,851 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:07,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-08-25 22:17:07,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1580. [2021-08-25 22:17:07,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1579 states have (on average 1.3242558581380621) internal successors, (2091), 1579 states have internal predecessors, (2091), 0 states have call successors, (0), 0 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 22:17:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2091 transitions. [2021-08-25 22:17:07,869 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2091 transitions. Word has length 116 [2021-08-25 22:17:07,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:07,869 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2091 transitions. [2021-08-25 22:17:07,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2091 transitions. [2021-08-25 22:17:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-08-25 22:17:07,888 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:07,889 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:07,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:17:07,889 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:07,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:07,889 INFO L82 PathProgramCache]: Analyzing trace with hash -781047751, now seen corresponding path program 1 times [2021-08-25 22:17:07,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:07,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271953707] [2021-08-25 22:17:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:07,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:08,042 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 126 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:08,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:08,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271953707] [2021-08-25 22:17:08,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271953707] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:17:08,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204338300] [2021-08-25 22:17:08,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:08,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:17:08,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:17:08,044 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 22:17:08,047 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 22:17:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:08,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-25 22:17:08,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:17:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 126 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:09,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204338300] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:17:09,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:17:09,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-25 22:17:09,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717627532] [2021-08-25 22:17:09,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:17:09,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:09,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:17:09,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:17:09,456 INFO L87 Difference]: Start difference. First operand 1580 states and 2091 transitions. Second operand has 7 states, 7 states have (on average 50.142857142857146) internal successors, (351), 6 states have internal predecessors, (351), 0 states have call successors, (0), 0 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 22:17:13,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:13,654 INFO L93 Difference]: Finished difference Result 6855 states and 8990 transitions. [2021-08-25 22:17:13,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-25 22:17:13,655 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 50.142857142857146) internal successors, (351), 6 states have internal predecessors, (351), 0 states have call successors, (0), 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 22:17:13,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:13,663 INFO L225 Difference]: With dead ends: 6855 [2021-08-25 22:17:13,664 INFO L226 Difference]: Without dead ends: 3678 [2021-08-25 22:17:13,666 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 67.5ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-25 22:17:13,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3678 states. [2021-08-25 22:17:13,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3678 to 3079. [2021-08-25 22:17:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 3078 states have (on average 1.2098765432098766) internal successors, (3724), 3078 states have internal predecessors, (3724), 0 states have call successors, (0), 0 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 22:17:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 3724 transitions. [2021-08-25 22:17:13,701 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 3724 transitions. Word has length 207 [2021-08-25 22:17:13,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:13,702 INFO L470 AbstractCegarLoop]: Abstraction has 3079 states and 3724 transitions. [2021-08-25 22:17:13,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 50.142857142857146) internal successors, (351), 6 states have internal predecessors, (351), 0 states have call successors, (0), 0 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 22:17:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3724 transitions. [2021-08-25 22:17:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-08-25 22:17:13,704 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:13,705 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:13,724 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 22:17:13,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:17:13,924 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:13,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:13,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1755171094, now seen corresponding path program 1 times [2021-08-25 22:17:13,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:13,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75765645] [2021-08-25 22:17:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:13,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:17:14,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:14,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75765645] [2021-08-25 22:17:14,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75765645] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:14,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:14,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:14,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972734288] [2021-08-25 22:17:14,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:14,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:14,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:14,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:14,066 INFO L87 Difference]: Start difference. First operand 3079 states and 3724 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 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 22:17:15,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:15,393 INFO L93 Difference]: Finished difference Result 7963 states and 9725 transitions. [2021-08-25 22:17:15,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:15,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 322 [2021-08-25 22:17:15,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:15,416 INFO L225 Difference]: With dead ends: 7963 [2021-08-25 22:17:15,416 INFO L226 Difference]: Without dead ends: 4587 [2021-08-25 22:17:15,420 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4587 states. [2021-08-25 22:17:15,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4587 to 4584. [2021-08-25 22:17:15,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4584 states, 4583 states have (on average 1.1464106480471308) internal successors, (5254), 4583 states have internal predecessors, (5254), 0 states have call successors, (0), 0 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 22:17:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 5254 transitions. [2021-08-25 22:17:15,475 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 5254 transitions. Word has length 322 [2021-08-25 22:17:15,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:15,475 INFO L470 AbstractCegarLoop]: Abstraction has 4584 states and 5254 transitions. [2021-08-25 22:17:15,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 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 22:17:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 5254 transitions. [2021-08-25 22:17:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-08-25 22:17:15,479 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:15,479 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:15,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:17:15,480 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:15,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:15,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1973308521, now seen corresponding path program 1 times [2021-08-25 22:17:15,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:15,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342747886] [2021-08-25 22:17:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:15,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:15,602 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-25 22:17:15,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:15,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342747886] [2021-08-25 22:17:15,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342747886] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:15,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:15,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:15,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298812045] [2021-08-25 22:17:15,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:15,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:15,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:15,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:15,611 INFO L87 Difference]: Start difference. First operand 4584 states and 5254 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:16,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:16,791 INFO L93 Difference]: Finished difference Result 10664 states and 12432 transitions. [2021-08-25 22:17:16,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:16,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 387 [2021-08-25 22:17:16,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:16,804 INFO L225 Difference]: With dead ends: 10664 [2021-08-25 22:17:16,805 INFO L226 Difference]: Without dead ends: 5783 [2021-08-25 22:17:16,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2021-08-25 22:17:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 5482. [2021-08-25 22:17:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5482 states, 5481 states have (on average 1.1246122970260901) internal successors, (6164), 5481 states have internal predecessors, (6164), 0 states have call successors, (0), 0 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 22:17:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5482 states to 5482 states and 6164 transitions. [2021-08-25 22:17:16,872 INFO L78 Accepts]: Start accepts. Automaton has 5482 states and 6164 transitions. Word has length 387 [2021-08-25 22:17:16,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:16,872 INFO L470 AbstractCegarLoop]: Abstraction has 5482 states and 6164 transitions. [2021-08-25 22:17:16,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5482 states and 6164 transitions. [2021-08-25 22:17:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-08-25 22:17:16,876 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:16,876 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:17:16,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:17:16,876 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:16,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:16,877 INFO L82 PathProgramCache]: Analyzing trace with hash -973618355, now seen corresponding path program 1 times [2021-08-25 22:17:16,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:16,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700190334] [2021-08-25 22:17:16,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:16,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-08-25 22:17:16,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:16,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700190334] [2021-08-25 22:17:16,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700190334] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:16,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:16,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:16,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269596827] [2021-08-25 22:17:16,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:16,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:16,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:16,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:16,970 INFO L87 Difference]: Start difference. First operand 5482 states and 6164 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:18,105 INFO L93 Difference]: Finished difference Result 12757 states and 14523 transitions. [2021-08-25 22:17:18,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:18,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 417 [2021-08-25 22:17:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:18,119 INFO L225 Difference]: With dead ends: 12757 [2021-08-25 22:17:18,119 INFO L226 Difference]: Without dead ends: 6978 [2021-08-25 22:17:18,125 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 22:17:18,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6978 states. [2021-08-25 22:17:18,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6978 to 6974. [2021-08-25 22:17:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6974 states, 6973 states have (on average 1.1006740283952388) internal successors, (7675), 6973 states have internal predecessors, (7675), 0 states have call successors, (0), 0 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 22:17:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6974 states to 6974 states and 7675 transitions. [2021-08-25 22:17:18,199 INFO L78 Accepts]: Start accepts. Automaton has 6974 states and 7675 transitions. Word has length 417 [2021-08-25 22:17:18,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:18,200 INFO L470 AbstractCegarLoop]: Abstraction has 6974 states and 7675 transitions. [2021-08-25 22:17:18,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:17:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 6974 states and 7675 transitions. [2021-08-25 22:17:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-08-25 22:17:18,205 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:18,205 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:17:18,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:17:18,206 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:18,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:18,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1772802332, now seen corresponding path program 1 times [2021-08-25 22:17:18,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:18,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012969898] [2021-08-25 22:17:18,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:18,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-08-25 22:17:18,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:18,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012969898] [2021-08-25 22:17:18,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012969898] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:18,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:18,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:17:18,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590958139] [2021-08-25 22:17:18,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:18,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:18,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:18,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:18,350 INFO L87 Difference]: Start difference. First operand 6974 states and 7675 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 22:17:19,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:19,468 INFO L93 Difference]: Finished difference Result 16346 states and 18058 transitions. [2021-08-25 22:17:19,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:19,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 499 [2021-08-25 22:17:19,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:19,488 INFO L225 Difference]: With dead ends: 16346 [2021-08-25 22:17:19,488 INFO L226 Difference]: Without dead ends: 9374 [2021-08-25 22:17:19,495 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9374 states. [2021-08-25 22:17:19,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9374 to 9372. [2021-08-25 22:17:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9372 states, 9371 states have (on average 1.0897449578486822) internal successors, (10212), 9371 states have internal predecessors, (10212), 0 states have call successors, (0), 0 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 22:17:19,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9372 states to 9372 states and 10212 transitions. [2021-08-25 22:17:19,596 INFO L78 Accepts]: Start accepts. Automaton has 9372 states and 10212 transitions. Word has length 499 [2021-08-25 22:17:19,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:19,596 INFO L470 AbstractCegarLoop]: Abstraction has 9372 states and 10212 transitions. [2021-08-25 22:17:19,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 22:17:19,602 INFO L276 IsEmpty]: Start isEmpty. Operand 9372 states and 10212 transitions. [2021-08-25 22:17:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2021-08-25 22:17:19,613 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:19,613 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:19,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:17:19,614 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:19,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:19,614 INFO L82 PathProgramCache]: Analyzing trace with hash -443339115, now seen corresponding path program 1 times [2021-08-25 22:17:19,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:19,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137425733] [2021-08-25 22:17:19,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:19,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-08-25 22:17:19,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:19,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137425733] [2021-08-25 22:17:19,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137425733] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:19,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:19,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:19,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237564499] [2021-08-25 22:17:19,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:19,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:19,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:19,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:19,765 INFO L87 Difference]: Start difference. First operand 9372 states and 10212 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 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 22:17:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:20,748 INFO L93 Difference]: Finished difference Result 18740 states and 20447 transitions. [2021-08-25 22:17:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:20,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 541 [2021-08-25 22:17:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:20,765 INFO L225 Difference]: With dead ends: 18740 [2021-08-25 22:17:20,765 INFO L226 Difference]: Without dead ends: 9669 [2021-08-25 22:17:20,771 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 22:17:20,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9669 states. [2021-08-25 22:17:20,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9669 to 9370. [2021-08-25 22:17:20,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9370 states, 9369 states have (on average 1.089550645746611) internal successors, (10208), 9369 states have internal predecessors, (10208), 0 states have call successors, (0), 0 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 22:17:20,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9370 states to 9370 states and 10208 transitions. [2021-08-25 22:17:20,860 INFO L78 Accepts]: Start accepts. Automaton has 9370 states and 10208 transitions. Word has length 541 [2021-08-25 22:17:20,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:20,861 INFO L470 AbstractCegarLoop]: Abstraction has 9370 states and 10208 transitions. [2021-08-25 22:17:20,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 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 22:17:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 9370 states and 10208 transitions. [2021-08-25 22:17:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2021-08-25 22:17:20,865 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:20,866 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:20,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:17:20,866 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:20,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:20,866 INFO L82 PathProgramCache]: Analyzing trace with hash 23936638, now seen corresponding path program 1 times [2021-08-25 22:17:20,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:20,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208242136] [2021-08-25 22:17:20,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:20,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-08-25 22:17:21,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:21,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208242136] [2021-08-25 22:17:21,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208242136] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:21,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:21,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:21,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110441394] [2021-08-25 22:17:21,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:21,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:21,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:21,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:21,069 INFO L87 Difference]: Start difference. First operand 9370 states and 10208 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 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 22:17:22,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:22,310 INFO L93 Difference]: Finished difference Result 21160 states and 23085 transitions. [2021-08-25 22:17:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:22,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 567 [2021-08-25 22:17:22,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:22,343 INFO L225 Difference]: With dead ends: 21160 [2021-08-25 22:17:22,344 INFO L226 Difference]: Without dead ends: 11792 [2021-08-25 22:17:22,352 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 22:17:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11792 states. [2021-08-25 22:17:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11792 to 9672. [2021-08-25 22:17:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9672 states, 9671 states have (on average 1.0883052424775101) internal successors, (10525), 9671 states have internal predecessors, (10525), 0 states have call successors, (0), 0 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 22:17:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9672 states to 9672 states and 10525 transitions. [2021-08-25 22:17:22,442 INFO L78 Accepts]: Start accepts. Automaton has 9672 states and 10525 transitions. Word has length 567 [2021-08-25 22:17:22,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:22,443 INFO L470 AbstractCegarLoop]: Abstraction has 9672 states and 10525 transitions. [2021-08-25 22:17:22,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 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 22:17:22,443 INFO L276 IsEmpty]: Start isEmpty. Operand 9672 states and 10525 transitions. [2021-08-25 22:17:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-08-25 22:17:22,447 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:22,448 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:17:22,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:17:22,449 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:22,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:22,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1380818945, now seen corresponding path program 1 times [2021-08-25 22:17:22,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:22,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272346596] [2021-08-25 22:17:22,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:22,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-08-25 22:17:22,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:22,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272346596] [2021-08-25 22:17:22,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272346596] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:22,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:22,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:22,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280897936] [2021-08-25 22:17:22,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:22,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:22,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:22,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:22,591 INFO L87 Difference]: Start difference. First operand 9672 states and 10525 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 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 22:17:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:23,551 INFO L93 Difference]: Finished difference Result 21733 states and 23703 transitions. [2021-08-25 22:17:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:23,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 575 [2021-08-25 22:17:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:23,565 INFO L225 Difference]: With dead ends: 21733 [2021-08-25 22:17:23,565 INFO L226 Difference]: Without dead ends: 12063 [2021-08-25 22:17:23,572 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 22:17:23,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12063 states. [2021-08-25 22:17:23,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12063 to 12063. [2021-08-25 22:17:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12063 states, 12062 states have (on average 1.0734538219200795) internal successors, (12948), 12062 states have internal predecessors, (12948), 0 states have call successors, (0), 0 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 22:17:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12063 states to 12063 states and 12948 transitions. [2021-08-25 22:17:23,660 INFO L78 Accepts]: Start accepts. Automaton has 12063 states and 12948 transitions. Word has length 575 [2021-08-25 22:17:23,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:23,661 INFO L470 AbstractCegarLoop]: Abstraction has 12063 states and 12948 transitions. [2021-08-25 22:17:23,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 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 22:17:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 12063 states and 12948 transitions. [2021-08-25 22:17:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2021-08-25 22:17:23,666 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:23,666 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:23,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:17:23,666 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:23,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1268743240, now seen corresponding path program 1 times [2021-08-25 22:17:23,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:23,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601916448] [2021-08-25 22:17:23,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:23,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2021-08-25 22:17:23,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:23,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601916448] [2021-08-25 22:17:23,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601916448] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:23,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:23,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:23,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693782740] [2021-08-25 22:17:23,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:23,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:23,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:23,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:23,788 INFO L87 Difference]: Start difference. First operand 12063 states and 12948 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 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 22:17:24,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:24,746 INFO L93 Difference]: Finished difference Result 26515 states and 28540 transitions. [2021-08-25 22:17:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:24,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 578 [2021-08-25 22:17:24,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:24,765 INFO L225 Difference]: With dead ends: 26515 [2021-08-25 22:17:24,766 INFO L226 Difference]: Without dead ends: 14454 [2021-08-25 22:17:24,774 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 22:17:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14454 states. [2021-08-25 22:17:24,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14454 to 14454. [2021-08-25 22:17:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14454 states, 14453 states have (on average 1.0671140939597314) internal successors, (15423), 14453 states have internal predecessors, (15423), 0 states have call successors, (0), 0 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 22:17:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14454 states to 14454 states and 15423 transitions. [2021-08-25 22:17:24,882 INFO L78 Accepts]: Start accepts. Automaton has 14454 states and 15423 transitions. Word has length 578 [2021-08-25 22:17:24,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:24,883 INFO L470 AbstractCegarLoop]: Abstraction has 14454 states and 15423 transitions. [2021-08-25 22:17:24,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 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 22:17:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 14454 states and 15423 transitions. [2021-08-25 22:17:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2021-08-25 22:17:24,891 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:24,893 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:24,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 22:17:24,893 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:24,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:24,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1982402987, now seen corresponding path program 1 times [2021-08-25 22:17:24,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:24,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618399] [2021-08-25 22:17:24,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:24,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-08-25 22:17:25,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:25,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618399] [2021-08-25 22:17:25,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618399] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:25,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:25,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:25,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039111709] [2021-08-25 22:17:25,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:25,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:25,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:25,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:25,066 INFO L87 Difference]: Start difference. First operand 14454 states and 15423 transitions. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 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 22:17:26,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:26,148 INFO L93 Difference]: Finished difference Result 31597 states and 34016 transitions. [2021-08-25 22:17:26,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:26,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 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 730 [2021-08-25 22:17:26,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:26,225 INFO L225 Difference]: With dead ends: 31597 [2021-08-25 22:17:26,225 INFO L226 Difference]: Without dead ends: 17444 [2021-08-25 22:17:26,235 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17444 states. [2021-08-25 22:17:26,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17444 to 17145. [2021-08-25 22:17:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17145 states, 17144 states have (on average 1.0606626224918339) internal successors, (18184), 17144 states have internal predecessors, (18184), 0 states have call successors, (0), 0 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 22:17:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17145 states to 17145 states and 18184 transitions. [2021-08-25 22:17:26,362 INFO L78 Accepts]: Start accepts. Automaton has 17145 states and 18184 transitions. Word has length 730 [2021-08-25 22:17:26,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:26,363 INFO L470 AbstractCegarLoop]: Abstraction has 17145 states and 18184 transitions. [2021-08-25 22:17:26,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 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 22:17:26,363 INFO L276 IsEmpty]: Start isEmpty. Operand 17145 states and 18184 transitions. [2021-08-25 22:17:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2021-08-25 22:17:26,371 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:26,372 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:26,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 22:17:26,372 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:26,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:26,372 INFO L82 PathProgramCache]: Analyzing trace with hash 158455372, now seen corresponding path program 1 times [2021-08-25 22:17:26,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:26,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938380118] [2021-08-25 22:17:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:26,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2021-08-25 22:17:26,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:26,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938380118] [2021-08-25 22:17:26,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938380118] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:26,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:26,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:26,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625943541] [2021-08-25 22:17:26,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:26,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:26,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:26,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:26,587 INFO L87 Difference]: Start difference. First operand 17145 states and 18184 transitions. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 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 22:17:27,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:27,641 INFO L93 Difference]: Finished difference Result 36082 states and 38403 transitions. [2021-08-25 22:17:27,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:27,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 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 732 [2021-08-25 22:17:27,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:27,659 INFO L225 Difference]: With dead ends: 36082 [2021-08-25 22:17:27,660 INFO L226 Difference]: Without dead ends: 19238 [2021-08-25 22:17:27,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:27,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19238 states. [2021-08-25 22:17:27,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19238 to 15345. [2021-08-25 22:17:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15345 states, 15344 states have (on average 1.0615875912408759) internal successors, (16289), 15344 states have internal predecessors, (16289), 0 states have call successors, (0), 0 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 22:17:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15345 states to 15345 states and 16289 transitions. [2021-08-25 22:17:27,805 INFO L78 Accepts]: Start accepts. Automaton has 15345 states and 16289 transitions. Word has length 732 [2021-08-25 22:17:27,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:27,806 INFO L470 AbstractCegarLoop]: Abstraction has 15345 states and 16289 transitions. [2021-08-25 22:17:27,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 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 22:17:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 15345 states and 16289 transitions. [2021-08-25 22:17:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2021-08-25 22:17:27,817 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:27,817 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:27,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:17:27,817 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:27,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:27,818 INFO L82 PathProgramCache]: Analyzing trace with hash -836223506, now seen corresponding path program 1 times [2021-08-25 22:17:27,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:27,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497052926] [2021-08-25 22:17:27,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:27,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2021-08-25 22:17:28,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:28,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497052926] [2021-08-25 22:17:28,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497052926] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:28,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:28,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:28,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764356125] [2021-08-25 22:17:28,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:28,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:28,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:28,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:28,043 INFO L87 Difference]: Start difference. First operand 15345 states and 16289 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 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 22:17:28,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:28,997 INFO L93 Difference]: Finished difference Result 34873 states and 37069 transitions. [2021-08-25 22:17:29,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:29,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 824 [2021-08-25 22:17:29,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:29,016 INFO L225 Difference]: With dead ends: 34873 [2021-08-25 22:17:29,017 INFO L226 Difference]: Without dead ends: 19530 [2021-08-25 22:17:29,025 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 22:17:29,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2021-08-25 22:17:29,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 15643. [2021-08-25 22:17:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15643 states, 15642 states have (on average 1.0647615394450838) internal successors, (16655), 15642 states have internal predecessors, (16655), 0 states have call successors, (0), 0 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 22:17:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15643 states to 15643 states and 16655 transitions. [2021-08-25 22:17:29,157 INFO L78 Accepts]: Start accepts. Automaton has 15643 states and 16655 transitions. Word has length 824 [2021-08-25 22:17:29,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:29,157 INFO L470 AbstractCegarLoop]: Abstraction has 15643 states and 16655 transitions. [2021-08-25 22:17:29,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 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 22:17:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 15643 states and 16655 transitions. [2021-08-25 22:17:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2021-08-25 22:17:29,169 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:29,169 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:29,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:17:29,170 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:29,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:29,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1718862084, now seen corresponding path program 1 times [2021-08-25 22:17:29,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:29,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001474676] [2021-08-25 22:17:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:29,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2021-08-25 22:17:29,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:29,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001474676] [2021-08-25 22:17:29,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001474676] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:29,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:29,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:29,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213116633] [2021-08-25 22:17:29,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:29,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:29,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:29,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:29,391 INFO L87 Difference]: Start difference. First operand 15643 states and 16655 transitions. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 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 22:17:30,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:30,335 INFO L93 Difference]: Finished difference Result 30981 states and 32998 transitions. [2021-08-25 22:17:30,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:30,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 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 846 [2021-08-25 22:17:30,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:30,348 INFO L225 Difference]: With dead ends: 30981 [2021-08-25 22:17:30,348 INFO L226 Difference]: Without dead ends: 15041 [2021-08-25 22:17:30,357 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:30,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15041 states. [2021-08-25 22:17:30,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15041 to 14442. [2021-08-25 22:17:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14442 states, 14441 states have (on average 1.0380167578422548) internal successors, (14990), 14441 states have internal predecessors, (14990), 0 states have call successors, (0), 0 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 22:17:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14442 states to 14442 states and 14990 transitions. [2021-08-25 22:17:30,471 INFO L78 Accepts]: Start accepts. Automaton has 14442 states and 14990 transitions. Word has length 846 [2021-08-25 22:17:30,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:30,472 INFO L470 AbstractCegarLoop]: Abstraction has 14442 states and 14990 transitions. [2021-08-25 22:17:30,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 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 22:17:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 14442 states and 14990 transitions. [2021-08-25 22:17:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2021-08-25 22:17:30,485 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:17:30,485 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:30,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:17:30,485 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:17:30,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:17:30,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1402329787, now seen corresponding path program 1 times [2021-08-25 22:17:30,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:17:30,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768158898] [2021-08-25 22:17:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:17:30,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:17:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:17:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2021-08-25 22:17:30,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:17:30,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768158898] [2021-08-25 22:17:30,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768158898] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:17:30,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:17:30,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:17:30,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727105049] [2021-08-25 22:17:30,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:17:30,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:17:30,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:17:30,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:17:30,724 INFO L87 Difference]: Start difference. First operand 14442 states and 14990 transitions. Second operand has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 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 22:17:31,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:17:31,578 INFO L93 Difference]: Finished difference Result 25848 states and 26697 transitions. [2021-08-25 22:17:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:17:31,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 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 919 [2021-08-25 22:17:31,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:17:31,579 INFO L225 Difference]: With dead ends: 25848 [2021-08-25 22:17:31,579 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:17:31,587 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 22:17:31,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:17:31,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:17:31,588 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 22:17:31,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:17:31,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 919 [2021-08-25 22:17:31,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:17:31,588 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:17:31,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 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 22:17:31,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:17:31,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:17:31,590 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:17:31,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:17:31,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:17:31,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:17:31,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:17:31,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:17:31,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:17:32,531 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:17:32,532 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,533 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,534 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,535 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,536 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,537 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,538 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,539 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:17:32,540 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:17:32,541 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,542 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:17:32,543 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,544 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,545 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,546 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:17:32,547 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,548 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,549 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,550 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:17:32,551 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:17:32,552 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,552 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,552 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,552 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,552 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse3 (+ ~a0~0 61))) (let ((.cse7 (<= .cse3 0)) (.cse1 (<= (+ ~a0~0 147) 0)) (.cse5 (= ~a2~0 4)) (.cse9 (= 5 ~a2~0)) (.cse2 (= 3 ~a2~0)) (.cse11 (= 2 ~a2~0)) (.cse8 (< 0 (+ ~a4~0 86))) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse6 (= ~a2~0 1)) (.cse4 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= (+ 98 ~a0~0) 0))) (or (and .cse0 .cse1 .cse2) (and (< 0 .cse3) .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse10) (and .cse4 (<= (+ ~a29~0 18) 0) .cse7) (and (<= ~a29~0 41) (or (and .cse8 .cse0 .cse6) (and .cse0 .cse6 .cse7))) (and .cse0 .cse1 .cse6) (and .cse11 .cse4) (and .cse4 .cse6 (<= (+ ~a29~0 127) 0)) (and .cse9 .cse0 .cse1) (and .cse4 .cse2) (and .cse0 .cse10 .cse5) (and .cse9 .cse4) (and .cse8 .cse0 .cse10 .cse2) (and .cse8 .cse11 .cse10) (and .cse8 .cse0 .cse10 .cse6) (and .cse4 .cse10)))) [2021-08-25 22:17:32,552 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:17:32,553 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,554 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:17:32,554 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-25 22:17:32,554 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,554 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:17:32,554 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:17:32,554 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:17:32,554 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:17:32,554 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,554 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,555 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:17:32,556 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,556 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,556 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,556 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,556 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse11 (+ ~a4~0 86)) (.cse3 (+ ~a0~0 61))) (let ((.cse7 (<= .cse3 0)) (.cse1 (<= (+ ~a0~0 147) 0)) (.cse5 (= ~a2~0 4)) (.cse9 (= 5 ~a2~0)) (.cse2 (= 3 ~a2~0)) (.cse12 (= 2 ~a2~0)) (.cse8 (< 0 .cse11)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse6 (= ~a2~0 1)) (.cse4 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= (+ 98 ~a0~0) 0))) (or (and .cse0 .cse1 .cse2) (and (< 0 .cse3) .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse10) (and .cse6 (<= .cse11 0) (<= (+ ~a29~0 401505) 0)) (and .cse4 (<= (+ ~a29~0 18) 0) .cse7) (and (<= ~a29~0 41) (or (and .cse8 .cse0 .cse6) (and .cse0 .cse6 .cse7))) (and .cse0 .cse1 .cse6) (and .cse12 .cse4) (and .cse4 .cse6 (<= (+ ~a29~0 127) 0)) (and .cse9 .cse0 .cse1) (and .cse4 .cse2) (and .cse0 .cse10 .cse5) (and .cse9 .cse4) (and .cse8 .cse0 .cse10 .cse2) (and .cse8 .cse12 .cse10) (and .cse8 .cse0 .cse10 .cse6) (and .cse4 .cse10)))) [2021-08-25 22:17:32,556 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,556 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:17:32,557 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:17:32,558 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,559 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:17:32,560 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:17:32,561 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,562 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:17:32,563 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:17:32,563 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,563 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,563 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,563 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,563 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,563 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,563 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse11 (+ ~a4~0 86)) (.cse3 (+ ~a0~0 61))) (let ((.cse7 (<= .cse3 0)) (.cse1 (<= (+ ~a0~0 147) 0)) (.cse5 (= ~a2~0 4)) (.cse9 (= 5 ~a2~0)) (.cse2 (= 3 ~a2~0)) (.cse12 (= 2 ~a2~0)) (.cse8 (< 0 .cse11)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse6 (= ~a2~0 1)) (.cse4 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= (+ 98 ~a0~0) 0))) (or (and .cse0 .cse1 .cse2) (and (< 0 .cse3) .cse4 .cse5) (and .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse10) (and .cse6 (<= .cse11 0) (<= (+ ~a29~0 401505) 0)) (and .cse4 (<= (+ ~a29~0 18) 0) .cse7) (and (<= ~a29~0 41) (or (and .cse8 .cse0 .cse6) (and .cse0 .cse6 .cse7))) (and .cse0 .cse1 .cse6) (and .cse12 .cse4) (and .cse4 .cse6 (<= (+ ~a29~0 127) 0)) (and .cse9 .cse0 .cse1) (and .cse4 .cse2) (and .cse0 .cse10 .cse5) (and .cse9 .cse4) (and .cse8 .cse0 .cse10 .cse2) (and .cse8 .cse12 .cse10) (and .cse8 .cse0 .cse10 .cse6) (and .cse4 .cse10)))) [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,564 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,565 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:17:32,566 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:17:32,567 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:17:32,567 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,567 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:17:32,567 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:17:32,567 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,567 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,567 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,567 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,568 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,569 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:17:32,570 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-25 22:17:32,573 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:17:32,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:17:32 BoogieIcfgContainer [2021-08-25 22:17:32,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:17:32,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:17:32,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:17:32,588 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:17:32,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:17:02" (3/4) ... [2021-08-25 22:17:32,590 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:17:32,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:17:32,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:17:32,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:17:32,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:17:32,727 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:17:32,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:17:32,729 INFO L168 Benchmark]: Toolchain (without parser) took 32969.57 ms. Allocated memory was 56.6 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 30.1 MB in the beginning and 897.6 MB in the end (delta: -867.6 MB). Peak memory consumption was 145.1 MB. Max. memory is 16.1 GB. [2021-08-25 22:17:32,729 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 56.6 MB. Free memory was 39.0 MB in the beginning and 38.9 MB in the end (delta: 50.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:17:32,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.13 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 30.0 MB in the beginning and 34.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-08-25 22:17:32,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.55 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 34.5 MB in the beginning and 41.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:17:32,730 INFO L168 Benchmark]: Boogie Preprocessor took 188.29 ms. Allocated memory is still 94.4 MB. Free memory was 41.4 MB in the beginning and 34.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:17:32,730 INFO L168 Benchmark]: RCFGBuilder took 1890.48 ms. Allocated memory was 94.4 MB in the beginning and 278.9 MB in the end (delta: 184.5 MB). Free memory was 34.4 MB in the beginning and 193.2 MB in the end (delta: -158.8 MB). Peak memory consumption was 129.8 MB. Max. memory is 16.1 GB. [2021-08-25 22:17:32,730 INFO L168 Benchmark]: TraceAbstraction took 29910.57 ms. Allocated memory was 278.9 MB in the beginning and 1.1 GB in the end (delta: 790.6 MB). Free memory was 193.2 MB in the beginning and 939.6 MB in the end (delta: -746.4 MB). Peak memory consumption was 499.2 MB. Max. memory is 16.1 GB. [2021-08-25 22:17:32,731 INFO L168 Benchmark]: Witness Printer took 140.14 ms. Allocated memory is still 1.1 GB. Free memory was 939.6 MB in the beginning and 897.6 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-08-25 22:17:32,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 56.6 MB. Free memory was 39.0 MB in the beginning and 38.9 MB in the end (delta: 50.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.13 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 30.0 MB in the beginning and 34.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 168.55 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 34.5 MB in the beginning and 41.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 188.29 ms. Allocated memory is still 94.4 MB. Free memory was 41.4 MB in the beginning and 34.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1890.48 ms. Allocated memory was 94.4 MB in the beginning and 278.9 MB in the end (delta: 184.5 MB). Free memory was 34.4 MB in the beginning and 193.2 MB in the end (delta: -158.8 MB). Peak memory consumption was 129.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29910.57 ms. Allocated memory was 278.9 MB in the beginning and 1.1 GB in the end (delta: 790.6 MB). Free memory was 193.2 MB in the beginning and 939.6 MB in the end (delta: -746.4 MB). Peak memory consumption was 499.2 MB. Max. memory is 16.1 GB. * Witness Printer took 140.14 ms. Allocated memory is still 1.1 GB. Free memory was 939.6 MB in the beginning and 897.6 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 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: 137]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29851.5ms, OverallIterations: 17, TraceHistogramMax: 6, EmptinessCheckTime: 119.2ms, AutomataDifference: 23018.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 939.3ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5421 SDtfs, 6877 SDslu, 615 SDs, 0 SdLazy, 16107 SolverSat, 3297 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17173.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 113.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17145occurred in iteration=13, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1299.8ms AutomataMinimizationTime, 17 MinimizatonAttempts, 12019 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 160 NumberOfFragments, 800 HoareAnnotationTreeSize, 4 FomulaSimplifications, 4860 FormulaSimplificationTreeSizeReduction, 126.2ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 2050 FormulaSimplificationTreeSizeReductionInter, 805.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 227.2ms SsaConstructionTime, 598.0ms SatisfiabilityAnalysisTime, 3098.0ms InterpolantComputationTime, 8615 NumberOfCodeBlocks, 8615 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 8597 ConstructedInterpolants, 0 QuantifiedInterpolants, 18048 SizeOfPredicates, 3 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 8140/8188 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) || ((0 < a0 + 61 && 89 + a4 <= 0) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0)) || ((89 + a4 <= 0 && a29 + 18 <= 0) && a0 + 61 <= 0)) || (a29 <= 41 && (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) || ((42 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)))) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 4)) || (5 == a2 && 89 + a4 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((0 < a4 + 86 && 2 == a2) && 98 + a0 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1)) || (89 + a4 <= 0 && 98 + a0 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) || ((0 < a0 + 61 && 89 + a4 <= 0) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || ((89 + a4 <= 0 && a29 + 18 <= 0) && a0 + 61 <= 0)) || (a29 <= 41 && (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) || ((42 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)))) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 4)) || (5 == a2 && 89 + a4 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((0 < a4 + 86 && 2 == a2) && 98 + a0 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1)) || (89 + a4 <= 0 && 98 + a0 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((42 + a4 <= 0 && a0 + 147 <= 0) && 3 == a2) || ((0 < a0 + 61 && 89 + a4 <= 0) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || ((89 + a4 <= 0 && a29 + 18 <= 0) && a0 + 61 <= 0)) || (a29 <= 41 && (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) || ((42 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)))) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1)) || (2 == a2 && 89 + a4 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((5 == a2 && 42 + a4 <= 0) && a0 + 147 <= 0)) || (89 + a4 <= 0 && 3 == a2)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 4)) || (5 == a2 && 89 + a4 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || ((0 < a4 + 86 && 2 == a2) && 98 + a0 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1)) || (89 + a4 <= 0 && 98 + a0 <= 0) RESULT: Ultimate proved your program to be correct! [2021-08-25 22:17:32,749 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...