./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label50.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/Problem11_label50.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 cf93ae511ae85a8156c5f973f24b1bb68928087b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:46:52,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 21:46:52,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 21:46:52,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 21:46:52,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 21:46:52,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 21:46:52,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 21:46:52,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 21:46:52,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 21:46:52,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 21:46:52,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 21:46:52,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 21:46:52,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 21:46:52,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 21:46:52,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 21:46:52,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 21:46:52,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 21:46:52,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 21:46:52,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 21:46:52,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 21:46:52,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 21:46:52,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 21:46:52,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 21:46:52,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 21:46:52,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 21:46:52,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 21:46:53,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 21:46:53,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 21:46:53,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 21:46:53,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 21:46:53,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 21:46:53,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 21:46:53,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 21:46:53,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 21:46:53,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 21:46:53,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 21:46:53,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 21:46:53,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 21:46:53,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 21:46:53,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 21:46:53,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 21:46:53,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 21:46:53,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 21:46:53,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 21:46:53,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 21:46:53,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 21:46:53,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 21:46:53,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 21:46:53,058 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 21:46:53,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 21:46:53,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 21:46:53,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 21:46:53,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 21:46:53,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 21:46:53,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 21:46:53,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 21:46:53,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 21:46:53,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 21:46:53,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 21:46:53,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 21:46:53,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 21:46:53,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 21:46:53,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 21:46:53,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 21:46:53,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:46:53,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 21:46:53,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 21:46:53,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 21:46:53,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 21:46:53,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 21:46:53,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 21:46:53,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 21:46:53,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf93ae511ae85a8156c5f973f24b1bb68928087b [2021-08-25 21:46:53,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 21:46:53,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 21:46:53,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 21:46:53,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 21:46:53,422 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 21:46:53,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label50.c [2021-08-25 21:46:53,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c789c8088/14804fb797cc444abd6fdc8ab4dd8ced/FLAG3eea2d6f0 [2021-08-25 21:46:54,013 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 21:46:54,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label50.c [2021-08-25 21:46:54,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c789c8088/14804fb797cc444abd6fdc8ab4dd8ced/FLAG3eea2d6f0 [2021-08-25 21:46:54,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c789c8088/14804fb797cc444abd6fdc8ab4dd8ced [2021-08-25 21:46:54,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 21:46:54,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 21:46:54,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 21:46:54,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 21:46:54,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 21:46:54,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:54,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc86816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54, skipping insertion in model container [2021-08-25 21:46:54,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:54,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 21:46:54,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 21:46:54,573 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/Problem11_label50.c[5287,5300] [2021-08-25 21:46:54,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:46:54,840 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 21:46:54,867 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/Problem11_label50.c[5287,5300] [2021-08-25 21:46:54,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 21:46:54,954 INFO L208 MainTranslator]: Completed translation [2021-08-25 21:46:54,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54 WrapperNode [2021-08-25 21:46:54,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 21:46:54,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 21:46:54,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 21:46:54,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 21:46:54,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:54,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 21:46:55,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 21:46:55,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 21:46:55,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 21:46:55,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 21:46:55,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 21:46:55,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 21:46:55,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 21:46:55,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (1/1) ... [2021-08-25 21:46:55,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 21:46:55,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:46:55,310 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 21:46:55,388 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 21:46:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 21:46:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 21:46:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 21:46:55,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 21:46:56,857 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 21:46:56,857 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 21:46:56,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:46:56 BoogieIcfgContainer [2021-08-25 21:46:56,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 21:46:56,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 21:46:56,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 21:46:56,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 21:46:56,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 09:46:54" (1/3) ... [2021-08-25 21:46:56,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0fb8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:46:56, skipping insertion in model container [2021-08-25 21:46:56,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 09:46:54" (2/3) ... [2021-08-25 21:46:56,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0fb8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:46:56, skipping insertion in model container [2021-08-25 21:46:56,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:46:56" (3/3) ... [2021-08-25 21:46:56,873 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label50.c [2021-08-25 21:46:56,878 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 21:46:56,878 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 21:46:56,918 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 21:46:56,923 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 21:46:56,924 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 21:46:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-25 21:46:56,947 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:56,948 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] [2021-08-25 21:46:56,948 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:56,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:56,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1318097310, now seen corresponding path program 1 times [2021-08-25 21:46:56,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:56,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473084294] [2021-08-25 21:46:56,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:56,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:57,159 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 21:46:57,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:57,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473084294] [2021-08-25 21:46:57,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473084294] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:57,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:57,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:46:57,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402567857] [2021-08-25 21:46:57,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:57,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:57,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:57,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:57,184 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 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 21:46:58,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:58,349 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-08-25 21:46:58,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:58,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-08-25 21:46:58,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:58,362 INFO L225 Difference]: With dead ends: 776 [2021-08-25 21:46:58,362 INFO L226 Difference]: Without dead ends: 413 [2021-08-25 21:46:58,365 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:58,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-08-25 21:46:58,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-08-25 21:46:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-08-25 21:46:58,415 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 36 [2021-08-25 21:46:58,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:58,416 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-08-25 21:46:58,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 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 21:46:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-08-25 21:46:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-08-25 21:46:58,419 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:58,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:46:58,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 21:46:58,420 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:58,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:58,421 INFO L82 PathProgramCache]: Analyzing trace with hash -464053414, now seen corresponding path program 1 times [2021-08-25 21:46:58,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:58,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478490714] [2021-08-25 21:46:58,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:58,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:58,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:58,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478490714] [2021-08-25 21:46:58,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478490714] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:58,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:58,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:46:58,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400174604] [2021-08-25 21:46:58,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:58,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:58,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:58,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:58,601 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 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 21:46:59,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:46:59,362 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-08-25 21:46:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:46:59,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2021-08-25 21:46:59,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:46:59,367 INFO L225 Difference]: With dead ends: 1209 [2021-08-25 21:46:59,367 INFO L226 Difference]: Without dead ends: 800 [2021-08-25 21:46:59,369 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:59,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-08-25 21:46:59,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-08-25 21:46:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:46:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-08-25 21:46:59,412 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 104 [2021-08-25 21:46:59,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:46:59,413 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-08-25 21:46:59,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 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 21:46:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-08-25 21:46:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-08-25 21:46:59,424 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:46:59,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:46:59,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 21:46:59,426 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:46:59,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:46:59,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1589161308, now seen corresponding path program 1 times [2021-08-25 21:46:59,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:46:59,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40686744] [2021-08-25 21:46:59,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:46:59,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:46:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:46:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:46:59,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:46:59,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40686744] [2021-08-25 21:46:59,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40686744] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:46:59,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:46:59,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:46:59,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76883730] [2021-08-25 21:46:59,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:46:59,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:46:59,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:46:59,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:46:59,550 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 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 21:47:00,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:00,311 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2021-08-25 21:47:00,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:00,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-08-25 21:47:00,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:00,317 INFO L225 Difference]: With dead ends: 1942 [2021-08-25 21:47:00,317 INFO L226 Difference]: Without dead ends: 1157 [2021-08-25 21:47:00,318 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:00,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-08-25 21:47:00,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-08-25 21:47:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:47:00,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-08-25 21:47:00,342 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 105 [2021-08-25 21:47:00,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:00,342 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-08-25 21:47:00,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 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 21:47:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-08-25 21:47:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-08-25 21:47:00,344 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:00,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:47:00,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 21:47:00,345 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:00,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:00,346 INFO L82 PathProgramCache]: Analyzing trace with hash 649803806, now seen corresponding path program 1 times [2021-08-25 21:47:00,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:00,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424080501] [2021-08-25 21:47:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:00,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:00,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:00,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424080501] [2021-08-25 21:47:00,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424080501] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:00,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:00,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:00,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25277733] [2021-08-25 21:47:00,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:00,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:00,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:00,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:00,481 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 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 21:47:01,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:01,302 INFO L93 Difference]: Finished difference Result 2691 states and 3515 transitions. [2021-08-25 21:47:01,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:01,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2021-08-25 21:47:01,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:01,309 INFO L225 Difference]: With dead ends: 2691 [2021-08-25 21:47:01,310 INFO L226 Difference]: Without dead ends: 1721 [2021-08-25 21:47:01,311 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 21:47:01,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-08-25 21:47:01,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2021-08-25 21:47:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.261296660117878) internal successors, (1926), 1527 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:47:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1926 transitions. [2021-08-25 21:47:01,338 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1926 transitions. Word has length 148 [2021-08-25 21:47:01,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:01,339 INFO L470 AbstractCegarLoop]: Abstraction has 1528 states and 1926 transitions. [2021-08-25 21:47:01,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 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 21:47:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1926 transitions. [2021-08-25 21:47:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-08-25 21:47:01,341 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:01,341 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:47:01,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 21:47:01,342 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:01,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:01,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1095020807, now seen corresponding path program 1 times [2021-08-25 21:47:01,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:01,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267269487] [2021-08-25 21:47:01,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:01,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:01,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:01,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267269487] [2021-08-25 21:47:01,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267269487] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:01,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:01,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:47:01,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860634110] [2021-08-25 21:47:01,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:01,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:01,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:01,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:01,408 INFO L87 Difference]: Start difference. First operand 1528 states and 1926 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 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 21:47:02,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:02,192 INFO L93 Difference]: Finished difference Result 4158 states and 5316 transitions. [2021-08-25 21:47:02,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:02,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2021-08-25 21:47:02,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:02,201 INFO L225 Difference]: With dead ends: 4158 [2021-08-25 21:47:02,201 INFO L226 Difference]: Without dead ends: 2632 [2021-08-25 21:47:02,203 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 21:47:02,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2021-08-25 21:47:02,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2448. [2021-08-25 21:47:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 2447 states have (on average 1.2174090723334696) internal successors, (2979), 2447 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:47:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2979 transitions. [2021-08-25 21:47:02,249 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 2979 transitions. Word has length 163 [2021-08-25 21:47:02,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:02,250 INFO L470 AbstractCegarLoop]: Abstraction has 2448 states and 2979 transitions. [2021-08-25 21:47:02,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 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 21:47:02,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2979 transitions. [2021-08-25 21:47:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-08-25 21:47:02,253 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:02,254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:47:02,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 21:47:02,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:02,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:02,255 INFO L82 PathProgramCache]: Analyzing trace with hash 653368921, now seen corresponding path program 1 times [2021-08-25 21:47:02,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:02,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158239257] [2021-08-25 21:47:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:02,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:02,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:02,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158239257] [2021-08-25 21:47:02,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158239257] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:02,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:02,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:02,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626812981] [2021-08-25 21:47:02,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:02,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:02,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:02,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:02,379 INFO L87 Difference]: Start difference. First operand 2448 states and 2979 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 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 21:47:03,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:03,116 INFO L93 Difference]: Finished difference Result 5639 states and 6868 transitions. [2021-08-25 21:47:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:03,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2021-08-25 21:47:03,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:03,128 INFO L225 Difference]: With dead ends: 5639 [2021-08-25 21:47:03,128 INFO L226 Difference]: Without dead ends: 3193 [2021-08-25 21:47:03,136 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:03,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2021-08-25 21:47:03,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3184. [2021-08-25 21:47:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 3183 states have (on average 1.1991831605403707) internal successors, (3817), 3183 states have internal predecessors, (3817), 0 states have call successors, (0), 0 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 21:47:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3817 transitions. [2021-08-25 21:47:03,193 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 3817 transitions. Word has length 179 [2021-08-25 21:47:03,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:03,193 INFO L470 AbstractCegarLoop]: Abstraction has 3184 states and 3817 transitions. [2021-08-25 21:47:03,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 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 21:47:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3817 transitions. [2021-08-25 21:47:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-08-25 21:47:03,196 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:03,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:47:03,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 21:47:03,197 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:03,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:03,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1472633207, now seen corresponding path program 1 times [2021-08-25 21:47:03,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:03,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925013173] [2021-08-25 21:47:03,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:03,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-08-25 21:47:03,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:03,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925013173] [2021-08-25 21:47:03,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925013173] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:03,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:03,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 21:47:03,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565863557] [2021-08-25 21:47:03,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:03,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:03,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:03,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:03,328 INFO L87 Difference]: Start difference. First operand 3184 states and 3817 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:47:04,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:04,007 INFO L93 Difference]: Finished difference Result 7108 states and 8504 transitions. [2021-08-25 21:47:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:04,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2021-08-25 21:47:04,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:04,020 INFO L225 Difference]: With dead ends: 7108 [2021-08-25 21:47:04,020 INFO L226 Difference]: Without dead ends: 3926 [2021-08-25 21:47:04,024 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:04,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3926 states. [2021-08-25 21:47:04,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3925. [2021-08-25 21:47:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3925 states, 3924 states have (on average 1.193934760448522) internal successors, (4685), 3924 states have internal predecessors, (4685), 0 states have call successors, (0), 0 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 21:47:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 4685 transitions. [2021-08-25 21:47:04,086 INFO L78 Accepts]: Start accepts. Automaton has 3925 states and 4685 transitions. Word has length 217 [2021-08-25 21:47:04,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:04,087 INFO L470 AbstractCegarLoop]: Abstraction has 3925 states and 4685 transitions. [2021-08-25 21:47:04,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:47:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3925 states and 4685 transitions. [2021-08-25 21:47:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-08-25 21:47:04,090 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:04,090 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:04,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 21:47:04,091 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:04,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:04,091 INFO L82 PathProgramCache]: Analyzing trace with hash -760864207, now seen corresponding path program 1 times [2021-08-25 21:47:04,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:04,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487610541] [2021-08-25 21:47:04,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:04,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-08-25 21:47:04,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:04,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487610541] [2021-08-25 21:47:04,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487610541] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:04,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:04,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:04,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933937591] [2021-08-25 21:47:04,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:04,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:04,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:04,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:04,166 INFO L87 Difference]: Start difference. First operand 3925 states and 4685 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 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 21:47:05,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:05,008 INFO L93 Difference]: Finished difference Result 8591 states and 10347 transitions. [2021-08-25 21:47:05,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:05,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 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 218 [2021-08-25 21:47:05,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:05,025 INFO L225 Difference]: With dead ends: 8591 [2021-08-25 21:47:05,026 INFO L226 Difference]: Without dead ends: 4668 [2021-08-25 21:47:05,031 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 21:47:05,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2021-08-25 21:47:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4477. [2021-08-25 21:47:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4477 states, 4476 states have (on average 1.1861036639857014) internal successors, (5309), 4476 states have internal predecessors, (5309), 0 states have call successors, (0), 0 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 21:47:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 5309 transitions. [2021-08-25 21:47:05,112 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 5309 transitions. Word has length 218 [2021-08-25 21:47:05,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:05,112 INFO L470 AbstractCegarLoop]: Abstraction has 4477 states and 5309 transitions. [2021-08-25 21:47:05,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 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 21:47:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 5309 transitions. [2021-08-25 21:47:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-08-25 21:47:05,116 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:05,116 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:05,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 21:47:05,116 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:05,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:05,117 INFO L82 PathProgramCache]: Analyzing trace with hash 43300159, now seen corresponding path program 1 times [2021-08-25 21:47:05,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:05,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754385001] [2021-08-25 21:47:05,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:05,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:05,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:05,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754385001] [2021-08-25 21:47:05,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754385001] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:05,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:05,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:05,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105602171] [2021-08-25 21:47:05,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:05,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:05,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:05,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:05,281 INFO L87 Difference]: Start difference. First operand 4477 states and 5309 transitions. Second operand has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 0 states have call successors, (0), 0 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 21:47:06,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:06,670 INFO L93 Difference]: Finished difference Result 14321 states and 17014 transitions. [2021-08-25 21:47:06,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:06,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 0 states have call successors, (0), 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 238 [2021-08-25 21:47:06,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:06,720 INFO L225 Difference]: With dead ends: 14321 [2021-08-25 21:47:06,720 INFO L226 Difference]: Without dead ends: 9846 [2021-08-25 21:47:06,727 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:06,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9846 states. [2021-08-25 21:47:06,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9846 to 7627. [2021-08-25 21:47:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7627 states, 7626 states have (on average 1.1702071859428271) internal successors, (8924), 7626 states have internal predecessors, (8924), 0 states have call successors, (0), 0 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 21:47:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7627 states to 7627 states and 8924 transitions. [2021-08-25 21:47:06,868 INFO L78 Accepts]: Start accepts. Automaton has 7627 states and 8924 transitions. Word has length 238 [2021-08-25 21:47:06,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:06,869 INFO L470 AbstractCegarLoop]: Abstraction has 7627 states and 8924 transitions. [2021-08-25 21:47:06,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 0 states have call successors, (0), 0 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 21:47:06,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7627 states and 8924 transitions. [2021-08-25 21:47:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-08-25 21:47:06,874 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:06,874 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:47:06,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 21:47:06,875 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:06,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:06,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1310756102, now seen corresponding path program 1 times [2021-08-25 21:47:06,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:06,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254264637] [2021-08-25 21:47:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:06,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:06,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:06,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254264637] [2021-08-25 21:47:06,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254264637] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:06,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:06,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:06,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049226600] [2021-08-25 21:47:06,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:06,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:06,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:06,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:06,999 INFO L87 Difference]: Start difference. First operand 7627 states and 8924 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 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 21:47:08,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:08,321 INFO L93 Difference]: Finished difference Result 20234 states and 23746 transitions. [2021-08-25 21:47:08,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:08,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 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 248 [2021-08-25 21:47:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:08,343 INFO L225 Difference]: With dead ends: 20234 [2021-08-25 21:47:08,344 INFO L226 Difference]: Without dead ends: 12609 [2021-08-25 21:47:08,353 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12609 states. [2021-08-25 21:47:08,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12609 to 10202. [2021-08-25 21:47:08,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10202 states, 10201 states have (on average 1.1734143711400844) internal successors, (11970), 10201 states have internal predecessors, (11970), 0 states have call successors, (0), 0 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 21:47:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10202 states to 10202 states and 11970 transitions. [2021-08-25 21:47:08,512 INFO L78 Accepts]: Start accepts. Automaton has 10202 states and 11970 transitions. Word has length 248 [2021-08-25 21:47:08,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:08,513 INFO L470 AbstractCegarLoop]: Abstraction has 10202 states and 11970 transitions. [2021-08-25 21:47:08,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 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 21:47:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 10202 states and 11970 transitions. [2021-08-25 21:47:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-08-25 21:47:08,518 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:08,518 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:08,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 21:47:08,519 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:08,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:08,519 INFO L82 PathProgramCache]: Analyzing trace with hash -499731777, now seen corresponding path program 1 times [2021-08-25 21:47:08,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:08,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243285510] [2021-08-25 21:47:08,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:08,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:08,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:08,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243285510] [2021-08-25 21:47:08,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243285510] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:08,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:08,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:08,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470235951] [2021-08-25 21:47:08,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:08,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:08,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:08,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:08,606 INFO L87 Difference]: Start difference. First operand 10202 states and 11970 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 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 21:47:09,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:09,370 INFO L93 Difference]: Finished difference Result 20399 states and 23935 transitions. [2021-08-25 21:47:09,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:09,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 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 248 [2021-08-25 21:47:09,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:09,389 INFO L225 Difference]: With dead ends: 20399 [2021-08-25 21:47:09,389 INFO L226 Difference]: Without dead ends: 10199 [2021-08-25 21:47:09,401 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 21:47:09,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10199 states. [2021-08-25 21:47:09,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10199 to 10199. [2021-08-25 21:47:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10199 states, 10198 states have (on average 1.1445381447342615) internal successors, (11672), 10198 states have internal predecessors, (11672), 0 states have call successors, (0), 0 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 21:47:09,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10199 states to 10199 states and 11672 transitions. [2021-08-25 21:47:09,537 INFO L78 Accepts]: Start accepts. Automaton has 10199 states and 11672 transitions. Word has length 248 [2021-08-25 21:47:09,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:09,538 INFO L470 AbstractCegarLoop]: Abstraction has 10199 states and 11672 transitions. [2021-08-25 21:47:09,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 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 21:47:09,538 INFO L276 IsEmpty]: Start isEmpty. Operand 10199 states and 11672 transitions. [2021-08-25 21:47:09,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-08-25 21:47:09,543 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:09,543 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:47:09,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 21:47:09,543 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:09,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:09,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1714177798, now seen corresponding path program 1 times [2021-08-25 21:47:09,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:09,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839845839] [2021-08-25 21:47:09,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:09,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 39 proven. 28 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-08-25 21:47:09,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:09,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839845839] [2021-08-25 21:47:09,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839845839] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:47:09,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340242701] [2021-08-25 21:47:09,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:09,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:47:09,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:47:09,733 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 21:47:09,750 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 21:47:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:09,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 21:47:09,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:47:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-08-25 21:47:10,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340242701] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:10,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:47:10,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-08-25 21:47:10,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684131703] [2021-08-25 21:47:10,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:10,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:10,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:47:10,579 INFO L87 Difference]: Start difference. First operand 10199 states and 11672 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 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 21:47:11,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:11,448 INFO L93 Difference]: Finished difference Result 22787 states and 26113 transitions. [2021-08-25 21:47:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:11,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 250 [2021-08-25 21:47:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:11,467 INFO L225 Difference]: With dead ends: 22787 [2021-08-25 21:47:11,468 INFO L226 Difference]: Without dead ends: 12590 [2021-08-25 21:47:11,478 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 32.8ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:47:11,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12590 states. [2021-08-25 21:47:11,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12590 to 11114. [2021-08-25 21:47:11,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11114 states, 11113 states have (on average 1.1383064878970575) internal successors, (12650), 11113 states have internal predecessors, (12650), 0 states have call successors, (0), 0 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 21:47:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11114 states to 11114 states and 12650 transitions. [2021-08-25 21:47:11,629 INFO L78 Accepts]: Start accepts. Automaton has 11114 states and 12650 transitions. Word has length 250 [2021-08-25 21:47:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:11,629 INFO L470 AbstractCegarLoop]: Abstraction has 11114 states and 12650 transitions. [2021-08-25 21:47:11,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 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 21:47:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 11114 states and 12650 transitions. [2021-08-25 21:47:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-08-25 21:47:11,634 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:11,635 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:11,662 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 21:47:11,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-25 21:47:11,849 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:11,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:11,850 INFO L82 PathProgramCache]: Analyzing trace with hash 360106579, now seen corresponding path program 1 times [2021-08-25 21:47:11,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:11,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37584390] [2021-08-25 21:47:11,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:11,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-08-25 21:47:11,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:11,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37584390] [2021-08-25 21:47:11,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37584390] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:11,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:11,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:11,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943616743] [2021-08-25 21:47:11,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:11,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:11,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:11,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:11,955 INFO L87 Difference]: Start difference. First operand 11114 states and 12650 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 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 21:47:12,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:12,810 INFO L93 Difference]: Finished difference Result 22413 states and 25494 transitions. [2021-08-25 21:47:12,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:12,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 255 [2021-08-25 21:47:12,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:12,826 INFO L225 Difference]: With dead ends: 22413 [2021-08-25 21:47:12,827 INFO L226 Difference]: Without dead ends: 11301 [2021-08-25 21:47:12,835 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 21:47:12,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11301 states. [2021-08-25 21:47:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11301 to 11113. [2021-08-25 21:47:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11113 states, 11112 states have (on average 1.1175305975521959) internal successors, (12418), 11112 states have internal predecessors, (12418), 0 states have call successors, (0), 0 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 21:47:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 12418 transitions. [2021-08-25 21:47:12,960 INFO L78 Accepts]: Start accepts. Automaton has 11113 states and 12418 transitions. Word has length 255 [2021-08-25 21:47:12,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:12,961 INFO L470 AbstractCegarLoop]: Abstraction has 11113 states and 12418 transitions. [2021-08-25 21:47:12,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 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 21:47:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 11113 states and 12418 transitions. [2021-08-25 21:47:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-08-25 21:47:12,966 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:12,967 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:47:12,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 21:47:12,968 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:12,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:12,969 INFO L82 PathProgramCache]: Analyzing trace with hash 2039816122, now seen corresponding path program 1 times [2021-08-25 21:47:12,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:12,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374033811] [2021-08-25 21:47:12,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:12,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 123 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:13,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:13,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374033811] [2021-08-25 21:47:13,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374033811] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 21:47:13,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336750302] [2021-08-25 21:47:13,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:13,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 21:47:13,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 21:47:13,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 21:47:13,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 21:47:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:13,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 21:47:13,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 21:47:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 21:47:14,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336750302] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:14,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 21:47:14,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 21:47:14,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748211207] [2021-08-25 21:47:14,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:14,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:14,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:14,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:47:14,427 INFO L87 Difference]: Start difference. First operand 11113 states and 12418 transitions. Second operand has 4 states, 4 states have (on average 67.25) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 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 21:47:15,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:15,438 INFO L93 Difference]: Finished difference Result 22227 states and 24838 transitions. [2021-08-25 21:47:15,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:15,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 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 269 [2021-08-25 21:47:15,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:15,451 INFO L225 Difference]: With dead ends: 22227 [2021-08-25 21:47:15,451 INFO L226 Difference]: Without dead ends: 11116 [2021-08-25 21:47:15,460 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 21:47:15,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2021-08-25 21:47:15,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 11113. [2021-08-25 21:47:15,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11113 states, 11112 states have (on average 1.1164506839452844) internal successors, (12406), 11112 states have internal predecessors, (12406), 0 states have call successors, (0), 0 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 21:47:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 12406 transitions. [2021-08-25 21:47:15,608 INFO L78 Accepts]: Start accepts. Automaton has 11113 states and 12406 transitions. Word has length 269 [2021-08-25 21:47:15,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:15,609 INFO L470 AbstractCegarLoop]: Abstraction has 11113 states and 12406 transitions. [2021-08-25 21:47:15,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 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 21:47:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 11113 states and 12406 transitions. [2021-08-25 21:47:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-08-25 21:47:15,617 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:15,618 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 21:47:15,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 21:47:15,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-25 21:47:15,841 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1065717957, now seen corresponding path program 1 times [2021-08-25 21:47:15,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:15,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100647539] [2021-08-25 21:47:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:15,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-08-25 21:47:15,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:15,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100647539] [2021-08-25 21:47:15,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100647539] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:15,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:15,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:15,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587218405] [2021-08-25 21:47:15,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:15,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:15,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:15,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:15,956 INFO L87 Difference]: Start difference. First operand 11113 states and 12406 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 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 21:47:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:16,639 INFO L93 Difference]: Finished difference Result 23512 states and 26255 transitions. [2021-08-25 21:47:16,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:16,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 303 [2021-08-25 21:47:16,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:16,657 INFO L225 Difference]: With dead ends: 23512 [2021-08-25 21:47:16,657 INFO L226 Difference]: Without dead ends: 12401 [2021-08-25 21:47:16,666 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:16,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12401 states. [2021-08-25 21:47:16,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12401 to 11849. [2021-08-25 21:47:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11849 states, 11848 states have (on average 1.112255232950709) internal successors, (13178), 11848 states have internal predecessors, (13178), 0 states have call successors, (0), 0 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 21:47:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11849 states to 11849 states and 13178 transitions. [2021-08-25 21:47:16,803 INFO L78 Accepts]: Start accepts. Automaton has 11849 states and 13178 transitions. Word has length 303 [2021-08-25 21:47:16,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:16,803 INFO L470 AbstractCegarLoop]: Abstraction has 11849 states and 13178 transitions. [2021-08-25 21:47:16,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 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 21:47:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 11849 states and 13178 transitions. [2021-08-25 21:47:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-08-25 21:47:16,811 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:16,812 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 21:47:16,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 21:47:16,812 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:16,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:16,813 INFO L82 PathProgramCache]: Analyzing trace with hash -698824767, now seen corresponding path program 1 times [2021-08-25 21:47:16,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:16,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280124202] [2021-08-25 21:47:16,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:16,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-08-25 21:47:16,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:16,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280124202] [2021-08-25 21:47:16,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280124202] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:16,973 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:16,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:16,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378037842] [2021-08-25 21:47:16,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:16,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:16,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:16,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:16,975 INFO L87 Difference]: Start difference. First operand 11849 states and 13178 transitions. Second operand has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 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 21:47:18,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:18,074 INFO L93 Difference]: Finished difference Result 29438 states and 32746 transitions. [2021-08-25 21:47:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:18,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 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 307 [2021-08-25 21:47:18,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:18,091 INFO L225 Difference]: With dead ends: 29438 [2021-08-25 21:47:18,091 INFO L226 Difference]: Without dead ends: 16850 [2021-08-25 21:47:18,100 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:18,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16850 states. [2021-08-25 21:47:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16850 to 13338. [2021-08-25 21:47:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13338 states, 13337 states have (on average 1.1131438854315063) internal successors, (14846), 13337 states have internal predecessors, (14846), 0 states have call successors, (0), 0 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 21:47:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13338 states to 13338 states and 14846 transitions. [2021-08-25 21:47:18,269 INFO L78 Accepts]: Start accepts. Automaton has 13338 states and 14846 transitions. Word has length 307 [2021-08-25 21:47:18,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:18,270 INFO L470 AbstractCegarLoop]: Abstraction has 13338 states and 14846 transitions. [2021-08-25 21:47:18,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 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 21:47:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 13338 states and 14846 transitions. [2021-08-25 21:47:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-08-25 21:47:18,277 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:18,278 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 21:47:18,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 21:47:18,278 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:18,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:18,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2127545959, now seen corresponding path program 1 times [2021-08-25 21:47:18,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:18,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146481672] [2021-08-25 21:47:18,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:18,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-08-25 21:47:18,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:18,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146481672] [2021-08-25 21:47:18,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146481672] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:18,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:18,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:18,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895582949] [2021-08-25 21:47:18,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:18,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:18,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:18,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:18,416 INFO L87 Difference]: Start difference. First operand 13338 states and 14846 transitions. Second operand has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 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 21:47:19,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:19,646 INFO L93 Difference]: Finished difference Result 34066 states and 37871 transitions. [2021-08-25 21:47:19,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:19,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 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 323 [2021-08-25 21:47:19,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:19,669 INFO L225 Difference]: With dead ends: 34066 [2021-08-25 21:47:19,669 INFO L226 Difference]: Without dead ends: 20730 [2021-08-25 21:47:19,680 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:19,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20730 states. [2021-08-25 21:47:19,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20730 to 19063. [2021-08-25 21:47:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19063 states, 19062 states have (on average 1.1078585667820795) internal successors, (21118), 19062 states have internal predecessors, (21118), 0 states have call successors, (0), 0 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 21:47:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19063 states to 19063 states and 21118 transitions. [2021-08-25 21:47:19,944 INFO L78 Accepts]: Start accepts. Automaton has 19063 states and 21118 transitions. Word has length 323 [2021-08-25 21:47:19,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:19,945 INFO L470 AbstractCegarLoop]: Abstraction has 19063 states and 21118 transitions. [2021-08-25 21:47:19,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 0 states have call successors, (0), 0 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 21:47:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 19063 states and 21118 transitions. [2021-08-25 21:47:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-08-25 21:47:19,955 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:19,955 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 21:47:19,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 21:47:19,955 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:19,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:19,956 INFO L82 PathProgramCache]: Analyzing trace with hash -409863096, now seen corresponding path program 1 times [2021-08-25 21:47:19,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:19,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148504009] [2021-08-25 21:47:19,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:19,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-08-25 21:47:20,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:20,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148504009] [2021-08-25 21:47:20,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148504009] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:20,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:20,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:20,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486863976] [2021-08-25 21:47:20,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:20,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:20,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:20,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:20,057 INFO L87 Difference]: Start difference. First operand 19063 states and 21118 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:47:20,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:20,733 INFO L93 Difference]: Finished difference Result 40515 states and 44895 transitions. [2021-08-25 21:47:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:20,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 332 [2021-08-25 21:47:20,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:20,759 INFO L225 Difference]: With dead ends: 40515 [2021-08-25 21:47:20,759 INFO L226 Difference]: Without dead ends: 21454 [2021-08-25 21:47:20,774 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 21:47:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21454 states. [2021-08-25 21:47:21,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21454 to 19058. [2021-08-25 21:47:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19058 states, 19057 states have (on average 1.108306658970457) internal successors, (21121), 19057 states have internal predecessors, (21121), 0 states have call successors, (0), 0 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 21:47:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19058 states to 19058 states and 21121 transitions. [2021-08-25 21:47:21,069 INFO L78 Accepts]: Start accepts. Automaton has 19058 states and 21121 transitions. Word has length 332 [2021-08-25 21:47:21,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:21,069 INFO L470 AbstractCegarLoop]: Abstraction has 19058 states and 21121 transitions. [2021-08-25 21:47:21,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 21:47:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 19058 states and 21121 transitions. [2021-08-25 21:47:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-08-25 21:47:21,079 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:21,079 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 21:47:21,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-25 21:47:21,080 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:21,080 INFO L82 PathProgramCache]: Analyzing trace with hash -359061517, now seen corresponding path program 1 times [2021-08-25 21:47:21,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:21,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500553598] [2021-08-25 21:47:21,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:21,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-08-25 21:47:21,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:21,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500553598] [2021-08-25 21:47:21,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500553598] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:21,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:21,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 21:47:21,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321808595] [2021-08-25 21:47:21,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 21:47:21,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:21,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 21:47:21,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 21:47:21,201 INFO L87 Difference]: Start difference. First operand 19058 states and 21121 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 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 21:47:21,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:21,917 INFO L93 Difference]: Finished difference Result 40702 states and 45085 transitions. [2021-08-25 21:47:21,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 21:47:21,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 334 [2021-08-25 21:47:21,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:21,947 INFO L225 Difference]: With dead ends: 40702 [2021-08-25 21:47:21,947 INFO L226 Difference]: Without dead ends: 21646 [2021-08-25 21:47:21,962 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 21:47:21,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21646 states. [2021-08-25 21:47:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21646 to 17385. [2021-08-25 21:47:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17385 states, 17384 states have (on average 1.1077427519558214) internal successors, (19257), 17384 states have internal predecessors, (19257), 0 states have call successors, (0), 0 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 21:47:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17385 states to 17385 states and 19257 transitions. [2021-08-25 21:47:22,157 INFO L78 Accepts]: Start accepts. Automaton has 17385 states and 19257 transitions. Word has length 334 [2021-08-25 21:47:22,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:22,158 INFO L470 AbstractCegarLoop]: Abstraction has 17385 states and 19257 transitions. [2021-08-25 21:47:22,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 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 21:47:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 17385 states and 19257 transitions. [2021-08-25 21:47:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-08-25 21:47:22,168 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 21:47:22,168 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 21:47:22,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 21:47:22,169 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 21:47:22,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 21:47:22,169 INFO L82 PathProgramCache]: Analyzing trace with hash -108272370, now seen corresponding path program 1 times [2021-08-25 21:47:22,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 21:47:22,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346578458] [2021-08-25 21:47:22,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 21:47:22,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 21:47:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 21:47:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-08-25 21:47:22,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 21:47:22,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346578458] [2021-08-25 21:47:22,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346578458] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 21:47:22,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 21:47:22,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 21:47:22,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709379697] [2021-08-25 21:47:22,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 21:47:22,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 21:47:22,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 21:47:22,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:22,439 INFO L87 Difference]: Start difference. First operand 17385 states and 19257 transitions. Second operand has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 0 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 21:47:23,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 21:47:23,325 INFO L93 Difference]: Finished difference Result 37721 states and 41614 transitions. [2021-08-25 21:47:23,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 21:47:23,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 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 358 [2021-08-25 21:47:23,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 21:47:23,326 INFO L225 Difference]: With dead ends: 37721 [2021-08-25 21:47:23,326 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 21:47:23,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 21:47:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 21:47:23,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 21:47:23,339 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 21:47:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 21:47:23,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2021-08-25 21:47:23,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 21:47:23,340 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 21:47:23,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 0 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 21:47:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 21:47:23,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 21:47:23,342 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 21:47:23,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 21:47:23,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 21:47:23,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:23,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:24,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 21:47:25,894 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:47:25,894 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,894 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,895 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,896 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,896 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,896 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,896 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,896 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,896 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,896 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,896 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,897 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-08-25 21:47:25,898 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-08-25 21:47:25,898 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-08-25 21:47:25,898 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,898 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,898 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,898 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (<= ~a25~0 9)) (.cse1 (<= ~a29~0 384312)) (.cse10 (= ~a25~0 12)) (.cse11 (<= ~a23~0 137)) (.cse6 (= ~a25~0 11)) (.cse8 (= ~a25~0 13)) (.cse0 (<= (+ ~a23~0 43) 0)) (.cse9 (<= ~a29~0 275)) (.cse2 (= ~a4~0 0)) (.cse7 (<= ~a25~0 10)) (.cse4 (<= ~a29~0 599999)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse4 .cse5) (and .cse2 .cse7 (<= ~a29~0 220)) (and .cse8 .cse1 .cse5) (and (<= ~a29~0 244) .cse7 .cse5) (and .cse9 .cse10 .cse2) (and .cse8 .cse2 (<= (+ 35913 ~a29~0) 0) .cse11) (and .cse10 .cse4 .cse5) (and .cse7 .cse4 (<= 381712 ~a29~0) .cse5) (and .cse1 (or (and .cse0 .cse9 .cse5) (and .cse0 .cse7 .cse5))) (and .cse6 .cse5 .cse11) (and .cse10 .cse2 .cse4 .cse11) (and .cse2 .cse6 .cse4) (and .cse8 .cse0 .cse9 .cse2) (and .cse7 .cse4 (< 306 ~a23~0) .cse5))) [2021-08-25 21:47:25,898 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,898 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-08-25 21:47:25,899 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-25 21:47:25,900 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-08-25 21:47:25,900 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,900 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,900 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,900 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,900 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,900 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,901 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,901 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-08-25 21:47:25,901 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-08-25 21:47:25,901 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-08-25 21:47:25,901 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,901 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,901 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,902 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,902 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,902 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,902 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,902 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,902 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,902 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-08-25 21:47:25,903 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-08-25 21:47:25,903 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-08-25 21:47:25,903 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,903 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= ~a25~0 9)) (.cse1 (<= ~a29~0 384312)) (.cse10 (= ~a25~0 12)) (.cse11 (<= ~a23~0 137)) (.cse6 (= ~a25~0 11)) (.cse8 (= ~a25~0 13)) (.cse0 (<= (+ ~a23~0 43) 0)) (.cse9 (<= ~a29~0 275)) (.cse2 (= ~a4~0 0)) (.cse7 (<= ~a25~0 10)) (.cse4 (<= ~a29~0 599999)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse4 .cse5) (and .cse2 .cse7 (<= ~a29~0 220)) (and .cse8 .cse1 .cse5) (and (<= ~a29~0 244) .cse7 .cse5) (and .cse9 .cse10 .cse2) (and .cse8 .cse2 (<= (+ 35913 ~a29~0) 0) .cse11) (and .cse10 .cse4 .cse5) (and .cse7 .cse4 (<= 381712 ~a29~0) .cse5) (and .cse1 (or (and .cse0 .cse9 .cse5) (and .cse0 .cse7 .cse5))) (and .cse6 .cse5 .cse11) (and .cse10 .cse2 .cse4 .cse11) (and .cse2 .cse6 .cse4) (and .cse8 .cse0 .cse9 .cse2) (and .cse7 .cse4 (< 306 ~a23~0) .cse5))) [2021-08-25 21:47:25,903 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,903 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,903 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,904 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,904 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,904 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,904 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,904 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,904 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-08-25 21:47:25,905 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-08-25 21:47:25,905 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-25 21:47:25,905 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:47:25,905 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:47:25,905 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-08-25 21:47:25,905 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-08-25 21:47:25,905 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,906 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,906 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,906 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,906 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,906 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,906 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,906 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,907 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,907 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,907 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 21:47:25,907 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-08-25 21:47:25,907 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-08-25 21:47:25,907 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-08-25 21:47:25,907 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-08-25 21:47:25,907 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,908 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,908 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,908 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,908 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,908 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-08-25 21:47:25,908 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-08-25 21:47:25,908 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-08-25 21:47:25,909 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,909 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,909 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,909 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,909 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:47:25,909 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-08-25 21:47:25,909 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,910 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,910 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,910 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,910 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,910 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,910 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:47:25,910 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-08-25 21:47:25,911 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,911 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,911 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-08-25 21:47:25,911 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-08-25 21:47:25,911 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-25 21:47:25,911 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 21:47:25,911 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2021-08-25 21:47:25,912 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,912 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,912 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,912 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,912 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,912 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,912 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,913 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-08-25 21:47:25,913 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-08-25 21:47:25,913 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-08-25 21:47:25,913 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:47:25,913 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-08-25 21:47:25,913 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:47:25,913 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-08-25 21:47:25,913 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,914 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,914 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:47:25,914 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-08-25 21:47:25,914 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,914 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,914 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,914 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,915 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,915 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-08-25 21:47:25,915 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-08-25 21:47:25,915 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-08-25 21:47:25,915 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,915 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,915 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,916 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,916 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,916 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,916 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-08-25 21:47:25,916 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-08-25 21:47:25,916 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-08-25 21:47:25,916 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,916 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,917 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,917 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,917 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,917 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,917 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,917 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,917 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-08-25 21:47:25,918 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-08-25 21:47:25,918 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-25 21:47:25,918 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,918 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,918 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,918 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,918 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,919 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,919 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,919 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,919 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,919 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,919 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,919 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:47:25,919 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-08-25 21:47:25,920 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-08-25 21:47:25,920 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-08-25 21:47:25,920 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-08-25 21:47:25,920 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,920 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,920 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,920 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,921 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,921 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,921 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,921 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-08-25 21:47:25,921 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-08-25 21:47:25,921 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-08-25 21:47:25,921 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,922 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,922 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,922 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:47:25,922 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-08-25 21:47:25,922 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,922 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,922 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,922 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,923 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,923 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-08-25 21:47:25,923 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-08-25 21:47:25,923 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,923 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,923 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:47:25,923 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-08-25 21:47:25,924 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,924 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 21:47:25,924 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,924 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,924 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,924 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,924 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,924 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-08-25 21:47:25,925 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-08-25 21:47:25,925 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:47:25,925 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-08-25 21:47:25,925 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,925 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,925 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,925 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,926 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,926 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,926 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,926 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,926 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-08-25 21:47:25,926 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-08-25 21:47:25,926 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:47:25,926 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-08-25 21:47:25,927 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:47:25,927 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-08-25 21:47:25,927 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,927 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,927 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,927 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,927 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,928 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,928 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,928 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-08-25 21:47:25,928 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-08-25 21:47:25,928 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 21:47:25,928 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,928 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,929 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,929 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,929 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,929 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,929 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-08-25 21:47:25,929 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-08-25 21:47:25,929 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,930 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,930 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,930 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,930 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,930 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,930 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,930 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-08-25 21:47:25,930 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-08-25 21:47:25,931 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,931 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,931 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-08-25 21:47:25,931 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-08-25 21:47:25,931 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-08-25 21:47:25,931 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-08-25 21:47:25,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 21:47:25,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 09:47:25 BoogieIcfgContainer [2021-08-25 21:47:25,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 21:47:25,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 21:47:25,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 21:47:25,953 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 21:47:25,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:46:56" (3/4) ... [2021-08-25 21:47:25,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 21:47:25,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 21:47:25,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 21:47:25,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:47:25,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 21:47:26,096 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 21:47:26,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 21:47:26,098 INFO L168 Benchmark]: Toolchain (without parser) took 31789.09 ms. Allocated memory was 52.4 MB in the beginning and 855.6 MB in the end (delta: 803.2 MB). Free memory was 26.5 MB in the beginning and 581.2 MB in the end (delta: -554.7 MB). Peak memory consumption was 248.7 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:26,100 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 21:47:26,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.28 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 26.7 MB in the end (delta: -390.7 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:26,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 148.42 ms. Allocated memory is still 62.9 MB. Free memory was 26.7 MB in the beginning and 30.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:26,101 INFO L168 Benchmark]: Boogie Preprocessor took 128.39 ms. Allocated memory is still 62.9 MB. Free memory was 30.7 MB in the beginning and 21.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:26,101 INFO L168 Benchmark]: RCFGBuilder took 1624.37 ms. Allocated memory was 62.9 MB in the beginning and 121.6 MB in the end (delta: 58.7 MB). Free memory was 21.3 MB in the beginning and 42.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:26,101 INFO L168 Benchmark]: TraceAbstraction took 29084.79 ms. Allocated memory was 121.6 MB in the beginning and 855.6 MB in the end (delta: 734.0 MB). Free memory was 85.0 MB in the beginning and 606.4 MB in the end (delta: -521.4 MB). Peak memory consumption was 605.7 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:26,102 INFO L168 Benchmark]: Witness Printer took 144.24 ms. Allocated memory is still 855.6 MB. Free memory was 606.4 MB in the beginning and 581.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-08-25 21:47:26,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 644.28 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 26.3 MB in the beginning and 26.7 MB in the end (delta: -390.7 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 148.42 ms. Allocated memory is still 62.9 MB. Free memory was 26.7 MB in the beginning and 30.7 MB in the end (delta: -4.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 128.39 ms. Allocated memory is still 62.9 MB. Free memory was 30.7 MB in the beginning and 21.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1624.37 ms. Allocated memory was 62.9 MB in the beginning and 121.6 MB in the end (delta: 58.7 MB). Free memory was 21.3 MB in the beginning and 42.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29084.79 ms. Allocated memory was 121.6 MB in the beginning and 855.6 MB in the end (delta: 734.0 MB). Free memory was 85.0 MB in the beginning and 606.4 MB in the end (delta: -521.4 MB). Peak memory consumption was 605.7 MB. Max. memory is 16.1 GB. * Witness Printer took 144.24 ms. Allocated memory is still 855.6 MB. Free memory was 606.4 MB in the beginning and 581.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 124]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29018.8ms, OverallIterations: 20, TraceHistogramMax: 4, EmptinessCheckTime: 107.3ms, AutomataDifference: 18600.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2550.8ms, InitialAbstractionConstructionTime: 12.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4085 SDtfs, 3842 SDslu, 544 SDs, 0 SdLazy, 14046 SolverSat, 1998 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12803.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 580 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 108.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19063occurred in iteration=17, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2291.1ms AutomataMinimizationTime, 20 MinimizatonAttempts, 19275 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 233 NumberOfFragments, 409 HoareAnnotationTreeSize, 3 FomulaSimplifications, 18992 FormulaSimplificationTreeSizeReduction, 870.8ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 51100 FormulaSimplificationTreeSizeReductionInter, 1670.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 294.1ms SsaConstructionTime, 734.8ms SatisfiabilityAnalysisTime, 3492.7ms InterpolantComputationTime, 5154 NumberOfCodeBlocks, 5154 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5132 ConstructedInterpolants, 0 QuantifiedInterpolants, 14069 SizeOfPredicates, 0 NumberOfNonLiveVariables, 773 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 22 InterpolantComputations, 20 PerfectInterpolantSequences, 3453/3514 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((a23 + 43 <= 0 && a29 <= 384312) && a4 == 0) && a25 <= 9) || ((a29 <= 599999 && a4 == 1) && a25 <= 9)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a4 == 0 && a25 <= 10) && a29 <= 220)) || ((a25 == 13 && a29 <= 384312) && a4 == 1)) || ((a29 <= 244 && a25 <= 10) && a4 == 1)) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || (((a25 <= 10 && a29 <= 599999) && 381712 <= a29) && a4 == 1)) || (a29 <= 384312 && (((a23 + 43 <= 0 && a29 <= 275) && a4 == 1) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)))) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || ((a4 == 0 && a25 == 11) && a29 <= 599999)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || (((a25 <= 10 && a29 <= 599999) && 306 < a23) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((a23 + 43 <= 0 && a29 <= 384312) && a4 == 0) && a25 <= 9) || ((a29 <= 599999 && a4 == 1) && a25 <= 9)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a4 == 0 && a25 <= 10) && a29 <= 220)) || ((a25 == 13 && a29 <= 384312) && a4 == 1)) || ((a29 <= 244 && a25 <= 10) && a4 == 1)) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || (((a25 <= 10 && a29 <= 599999) && 381712 <= a29) && a4 == 1)) || (a29 <= 384312 && (((a23 + 43 <= 0 && a29 <= 275) && a4 == 1) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)))) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || ((a4 == 0 && a25 == 11) && a29 <= 599999)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || (((a25 <= 10 && a29 <= 599999) && 306 < a23) && a4 == 1) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 21:47:26,143 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...