./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/Problem16_label02.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 9935b594a43533a7e14f8ffeb71533db02ea2c41 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 05:01:35,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 05:01:35,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 05:01:35,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 05:01:35,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 05:01:35,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 05:01:35,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 05:01:35,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 05:01:35,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 05:01:35,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 05:01:35,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 05:01:35,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 05:01:35,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 05:01:35,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 05:01:35,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 05:01:35,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 05:01:35,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 05:01:35,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 05:01:35,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 05:01:35,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 05:01:35,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 05:01:35,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 05:01:35,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 05:01:35,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 05:01:35,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 05:01:35,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 05:01:35,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 05:01:35,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 05:01:35,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 05:01:35,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 05:01:35,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 05:01:35,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 05:01:35,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 05:01:35,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 05:01:35,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 05:01:35,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 05:01:35,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 05:01:35,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 05:01:35,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 05:01:35,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 05:01:35,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 05:01:35,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 05:01:35,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 05:01:35,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 05:01:35,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 05:01:35,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 05:01:35,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 05:01:35,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 05:01:35,983 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 05:01:35,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 05:01:35,983 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 05:01:35,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 05:01:35,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 05:01:35,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 05:01:35,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 05:01:35,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 05:01:35,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 05:01:35,985 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 05:01:35,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 05:01:35,986 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 05:01:35,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 05:01:35,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 05:01:35,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 05:01:35,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 05:01:35,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 05:01:35,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 05:01:35,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 05:01:35,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 05:01:35,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 05:01:35,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 05:01:35,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 05:01:35,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 05:01:35,995 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9935b594a43533a7e14f8ffeb71533db02ea2c41 [2021-08-29 05:01:36,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 05:01:36,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 05:01:36,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 05:01:36,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 05:01:36,357 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 05:01:36,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2021-08-29 05:01:36,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bf0e908/9d0e87ee85ef4343a0e720996fdff753/FLAGd29cccb81 [2021-08-29 05:01:36,980 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 05:01:36,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label02.c [2021-08-29 05:01:36,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bf0e908/9d0e87ee85ef4343a0e720996fdff753/FLAGd29cccb81 [2021-08-29 05:01:37,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bf0e908/9d0e87ee85ef4343a0e720996fdff753 [2021-08-29 05:01:37,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 05:01:37,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 05:01:37,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 05:01:37,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 05:01:37,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 05:01:37,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:01:37" (1/1) ... [2021-08-29 05:01:37,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b9aa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:37, skipping insertion in model container [2021-08-29 05:01:37,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:01:37" (1/1) ... [2021-08-29 05:01:37,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 05:01:37,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 05:01:37,692 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/Problem16_label02.c[6387,6400] [2021-08-29 05:01:38,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 05:01:38,039 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 05:01:38,069 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/Problem16_label02.c[6387,6400] [2021-08-29 05:01:38,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 05:01:38,215 INFO L208 MainTranslator]: Completed translation [2021-08-29 05:01:38,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38 WrapperNode [2021-08-29 05:01:38,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 05:01:38,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 05:01:38,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 05:01:38,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 05:01:38,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 05:01:38,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 05:01:38,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 05:01:38,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 05:01:38,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 05:01:38,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 05:01:38,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 05:01:38,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 05:01:38,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (1/1) ... [2021-08-29 05:01:38,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 05:01:38,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:01:38,651 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) [2021-08-29 05:01:38,678 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 [2021-08-29 05:01:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 05:01:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 05:01:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 05:01:38,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 05:01:39,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 05:01:39,579 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-29 05:01:39,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:39 BoogieIcfgContainer [2021-08-29 05:01:39,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 05:01:39,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 05:01:39,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 05:01:39,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 05:01:39,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:01:37" (1/3) ... [2021-08-29 05:01:39,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68829b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:01:39, skipping insertion in model container [2021-08-29 05:01:39,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:38" (2/3) ... [2021-08-29 05:01:39,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68829b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:01:39, skipping insertion in model container [2021-08-29 05:01:39,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:39" (3/3) ... [2021-08-29 05:01:39,590 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label02.c [2021-08-29 05:01:39,595 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 05:01:39,595 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 05:01:39,648 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 05:01:39,656 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 [2021-08-29 05:01:39,657 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 05:01:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-29 05:01:39,698 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:39,699 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:39,700 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:39,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:39,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2021-08-29 05:01:39,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:39,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460610640] [2021-08-29 05:01:39,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:39,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:40,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:40,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460610640] [2021-08-29 05:01:40,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460610640] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:40,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:40,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:40,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922151551] [2021-08-29 05:01:40,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:40,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:40,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:40,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:40,081 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 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 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:42,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:42,197 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-08-29 05:01:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:42,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2021-08-29 05:01:42,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:42,215 INFO L225 Difference]: With dead ends: 1137 [2021-08-29 05:01:42,215 INFO L226 Difference]: Without dead ends: 662 [2021-08-29 05:01:42,219 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:42,222 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 323 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1647.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.55ms SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2020.15ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:42,223 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [323 Valid, 0 Invalid, 1552 Unknown, 0 Unchecked, 10.55ms Time], IncrementalHoareTripleChecker [429 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 2020.15ms Time] [2021-08-29 05:01:42,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-08-29 05:01:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-08-29 05:01:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2021-08-29 05:01:42,289 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 61 [2021-08-29 05:01:42,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:42,290 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2021-08-29 05:01:42,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2021-08-29 05:01:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-08-29 05:01:42,294 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:42,294 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:42,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 05:01:42,295 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:42,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:42,296 INFO L82 PathProgramCache]: Analyzing trace with hash 804089513, now seen corresponding path program 1 times [2021-08-29 05:01:42,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:42,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660506802] [2021-08-29 05:01:42,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:42,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:42,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:42,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660506802] [2021-08-29 05:01:42,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660506802] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:42,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:42,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:42,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528617127] [2021-08-29 05:01:42,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:42,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:42,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:42,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:42,422 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:43,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:43,700 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2021-08-29 05:01:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:43,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2021-08-29 05:01:43,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:43,707 INFO L225 Difference]: With dead ends: 1980 [2021-08-29 05:01:43,707 INFO L226 Difference]: Without dead ends: 1320 [2021-08-29 05:01:43,709 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:43,711 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1001.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.99ms SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1232.54ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:43,711 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 0 Invalid, 1360 Unknown, 0 Unchecked, 3.99ms Time], IncrementalHoareTripleChecker [401 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 1232.54ms Time] [2021-08-29 05:01:43,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-08-29 05:01:43,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-08-29 05:01:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2021-08-29 05:01:43,748 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 127 [2021-08-29 05:01:43,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:43,748 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2021-08-29 05:01:43,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2021-08-29 05:01:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-08-29 05:01:43,762 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:43,763 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:43,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 05:01:43,763 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:43,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:43,764 INFO L82 PathProgramCache]: Analyzing trace with hash 601628073, now seen corresponding path program 1 times [2021-08-29 05:01:43,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:43,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361370362] [2021-08-29 05:01:43,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:43,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:43,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:43,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361370362] [2021-08-29 05:01:43,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361370362] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:43,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:43,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:43,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163855682] [2021-08-29 05:01:43,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:43,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:43,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:43,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:43,826 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:45,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:45,073 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2021-08-29 05:01:45,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:45,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2021-08-29 05:01:45,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:45,082 INFO L225 Difference]: With dead ends: 3296 [2021-08-29 05:01:45,082 INFO L226 Difference]: Without dead ends: 1978 [2021-08-29 05:01:45,085 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.53ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:45,092 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 381 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 986.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.85ms SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1194.66ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:45,093 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [381 Valid, 0 Invalid, 1273 Unknown, 0 Unchecked, 2.85ms Time], IncrementalHoareTripleChecker [307 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1194.66ms Time] [2021-08-29 05:01:45,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-08-29 05:01:45,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-08-29 05:01:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2021-08-29 05:01:45,133 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 128 [2021-08-29 05:01:45,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:45,135 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2021-08-29 05:01:45,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:45,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2021-08-29 05:01:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-08-29 05:01:45,143 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:45,144 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:45,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 05:01:45,145 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:45,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:45,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1357591119, now seen corresponding path program 1 times [2021-08-29 05:01:45,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:45,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677675209] [2021-08-29 05:01:45,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:45,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:45,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:45,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677675209] [2021-08-29 05:01:45,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677675209] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:45,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:45,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 05:01:45,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022591417] [2021-08-29 05:01:45,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:45,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:45,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:45,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:45,274 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:46,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:46,900 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2021-08-29 05:01:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:46,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 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 220 [2021-08-29 05:01:46,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:46,915 INFO L225 Difference]: With dead ends: 5928 [2021-08-29 05:01:46,915 INFO L226 Difference]: Without dead ends: 3952 [2021-08-29 05:01:46,918 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.50ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:01:46,920 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 183 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1284.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.05ms SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1565.76ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:46,920 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 0 Invalid, 1462 Unknown, 0 Unchecked, 3.05ms Time], IncrementalHoareTripleChecker [380 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 1565.76ms Time] [2021-08-29 05:01:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-29 05:01:46,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-29 05:01:47,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.2171602126044039) internal successors, (4809), 3951 states have internal predecessors, (4809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4809 transitions. [2021-08-29 05:01:47,015 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4809 transitions. Word has length 220 [2021-08-29 05:01:47,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:47,016 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4809 transitions. [2021-08-29 05:01:47,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4809 transitions. [2021-08-29 05:01:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-08-29 05:01:47,020 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:47,021 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:47,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 05:01:47,022 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:47,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1544183199, now seen corresponding path program 1 times [2021-08-29 05:01:47,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:47,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92665557] [2021-08-29 05:01:47,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:47,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 05:01:47,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:47,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92665557] [2021-08-29 05:01:47,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92665557] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:01:47,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855121233] [2021-08-29 05:01:47,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:47,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:01:47,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:01:47,234 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) [2021-08-29 05:01:47,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 05:01:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:47,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 05:01:47,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:01:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-08-29 05:01:48,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:01:48,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855121233] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:48,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:01:48,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-08-29 05:01:48,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365363762] [2021-08-29 05:01:48,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:01:48,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:48,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:01:48,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:01:48,099 INFO L87 Difference]: Start difference. First operand 3952 states and 4809 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:49,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:49,278 INFO L93 Difference]: Finished difference Result 5270 states and 6254 transitions. [2021-08-29 05:01:49,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:01:49,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 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 304 [2021-08-29 05:01:49,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:49,295 INFO L225 Difference]: With dead ends: 5270 [2021-08-29 05:01:49,295 INFO L226 Difference]: Without dead ends: 5268 [2021-08-29 05:01:49,296 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.71ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:01:49,297 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 109 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 942.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.55ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1137.49ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:49,298 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 0 Invalid, 1184 Unknown, 0 Unchecked, 2.55ms Time], IncrementalHoareTripleChecker [32 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 1137.49ms Time] [2021-08-29 05:01:49,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2021-08-29 05:01:49,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 4610. [2021-08-29 05:01:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4610 states, 4609 states have (on average 1.2013451941852897) internal successors, (5537), 4609 states have internal predecessors, (5537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 5537 transitions. [2021-08-29 05:01:49,374 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 5537 transitions. Word has length 304 [2021-08-29 05:01:49,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:49,375 INFO L470 AbstractCegarLoop]: Abstraction has 4610 states and 5537 transitions. [2021-08-29 05:01:49,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 5537 transitions. [2021-08-29 05:01:49,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-08-29 05:01:49,388 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:49,389 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:49,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 05:01:49,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:01:49,609 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:49,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:49,610 INFO L82 PathProgramCache]: Analyzing trace with hash -2079847568, now seen corresponding path program 1 times [2021-08-29 05:01:49,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:49,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681943212] [2021-08-29 05:01:49,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:49,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-08-29 05:01:49,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:49,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681943212] [2021-08-29 05:01:49,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681943212] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:01:49,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:01:49,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:01:49,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976070892] [2021-08-29 05:01:49,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:01:49,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:49,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:01:49,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:01:49,822 INFO L87 Difference]: Start difference. First operand 4610 states and 5537 transitions. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:51,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:01:51,398 INFO L93 Difference]: Finished difference Result 9588 states and 11454 transitions. [2021-08-29 05:01:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 05:01:51,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 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 413 [2021-08-29 05:01:51,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:01:51,413 INFO L225 Difference]: With dead ends: 9588 [2021-08-29 05:01:51,414 INFO L226 Difference]: Without dead ends: 4980 [2021-08-29 05:01:51,419 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.02ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:01:51,422 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 175 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1609 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1238.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.15ms SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1486.98ms IncrementalHoareTripleChecker+Time [2021-08-29 05:01:51,423 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 0 Invalid, 1806 Unknown, 0 Unchecked, 5.15ms Time], IncrementalHoareTripleChecker [197 Valid, 1609 Invalid, 0 Unknown, 0 Unchecked, 1486.98ms Time] [2021-08-29 05:01:51,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2021-08-29 05:01:51,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 4939. [2021-08-29 05:01:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 4938 states have (on average 1.1891454029971649) internal successors, (5872), 4938 states have internal predecessors, (5872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5872 transitions. [2021-08-29 05:01:51,502 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5872 transitions. Word has length 413 [2021-08-29 05:01:51,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:01:51,503 INFO L470 AbstractCegarLoop]: Abstraction has 4939 states and 5872 transitions. [2021-08-29 05:01:51,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:01:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5872 transitions. [2021-08-29 05:01:51,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-08-29 05:01:51,512 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:01:51,512 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:01:51,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 05:01:51,512 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:01:51,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:01:51,513 INFO L82 PathProgramCache]: Analyzing trace with hash -832462339, now seen corresponding path program 1 times [2021-08-29 05:01:51,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:01:51,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343497392] [2021-08-29 05:01:51,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:51,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:01:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-08-29 05:01:51,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:01:51,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343497392] [2021-08-29 05:01:51,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343497392] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:01:51,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518202403] [2021-08-29 05:01:51,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:01:51,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:01:51,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:01:51,748 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) [2021-08-29 05:01:51,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-29 05:01:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:01:51,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:01:51,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:01:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-08-29 05:01:53,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 05:01:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-08-29 05:01:57,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518202403] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 05:01:57,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 05:01:57,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2021-08-29 05:01:57,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30525630] [2021-08-29 05:01:57,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 05:01:57,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:01:57,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 05:01:57,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-08-29 05:01:57,499 INFO L87 Difference]: Start difference. First operand 4939 states and 5872 transitions. Second operand has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:03,104 INFO L93 Difference]: Finished difference Result 16785 states and 20176 transitions. [2021-08-29 05:02:03,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 05:02:03,105 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 0 states have call successors, (0), 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 475 [2021-08-29 05:02:03,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:03,139 INFO L225 Difference]: With dead ends: 16785 [2021-08-29 05:02:03,139 INFO L226 Difference]: Without dead ends: 12177 [2021-08-29 05:02:03,145 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 954 GetRequests, 945 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 55.99ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-08-29 05:02:03,146 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 1727 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 3575 mSolverCounterSat, 1711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4681.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.55ms SdHoareTripleChecker+Time, 1711 IncrementalHoareTripleChecker+Valid, 3575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5398.54ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:03,146 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [1727 Valid, 0 Invalid, 5286 Unknown, 0 Unchecked, 15.55ms Time], IncrementalHoareTripleChecker [1711 Valid, 3575 Invalid, 0 Unknown, 0 Unchecked, 5398.54ms Time] [2021-08-29 05:02:03,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2021-08-29 05:02:03,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 10861. [2021-08-29 05:02:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.1918968692449357) internal successors, (12944), 10860 states have internal predecessors, (12944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 12944 transitions. [2021-08-29 05:02:03,330 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 12944 transitions. Word has length 475 [2021-08-29 05:02:03,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:03,331 INFO L470 AbstractCegarLoop]: Abstraction has 10861 states and 12944 transitions. [2021-08-29 05:02:03,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 111.5) internal successors, (892), 7 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 12944 transitions. [2021-08-29 05:02:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2021-08-29 05:02:03,339 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:03,340 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 05:02:03,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:03,567 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,SelfDestructingSolverStorable6 [2021-08-29 05:02:03,568 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:03,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:03,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1917555893, now seen corresponding path program 1 times [2021-08-29 05:02:03,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:03,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947133057] [2021-08-29 05:02:03,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:03,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-08-29 05:02:03,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:03,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947133057] [2021-08-29 05:02:03,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947133057] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:03,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:03,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:03,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575126066] [2021-08-29 05:02:03,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:03,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:03,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:03,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:03,727 INFO L87 Difference]: Start difference. First operand 10861 states and 12944 transitions. Second operand has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:05,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:05,221 INFO L93 Difference]: Finished difference Result 25010 states and 30301 transitions. [2021-08-29 05:02:05,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:05,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 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 562 [2021-08-29 05:02:05,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:05,250 INFO L225 Difference]: With dead ends: 25010 [2021-08-29 05:02:05,250 INFO L226 Difference]: Without dead ends: 14809 [2021-08-29 05:02:05,263 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:05,264 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 183 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1151.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.02ms SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1391.96ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:05,264 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 0 Invalid, 1465 Unknown, 0 Unchecked, 2.02ms Time], IncrementalHoareTripleChecker [348 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 1391.96ms Time] [2021-08-29 05:02:05,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-08-29 05:02:05,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14809. [2021-08-29 05:02:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.1782144786601836) internal successors, (17447), 14808 states have internal predecessors, (17447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 17447 transitions. [2021-08-29 05:02:05,536 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 17447 transitions. Word has length 562 [2021-08-29 05:02:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:05,537 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 17447 transitions. [2021-08-29 05:02:05,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 17447 transitions. [2021-08-29 05:02:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2021-08-29 05:02:05,547 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:05,548 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:05,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 05:02:05,549 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:05,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:05,549 INFO L82 PathProgramCache]: Analyzing trace with hash 788273314, now seen corresponding path program 1 times [2021-08-29 05:02:05,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:05,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203730176] [2021-08-29 05:02:05,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:05,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-08-29 05:02:05,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:05,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203730176] [2021-08-29 05:02:05,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203730176] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:05,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:05,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 05:02:05,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558182311] [2021-08-29 05:02:05,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 05:02:05,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:05,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 05:02:05,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:05,836 INFO L87 Difference]: Start difference. First operand 14809 states and 17447 transitions. Second operand has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:07,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:07,495 INFO L93 Difference]: Finished difference Result 28363 states and 33579 transitions. [2021-08-29 05:02:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 05:02:07,495 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 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 566 [2021-08-29 05:02:07,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:07,516 INFO L225 Difference]: With dead ends: 28363 [2021-08-29 05:02:07,516 INFO L226 Difference]: Without dead ends: 13906 [2021-08-29 05:02:07,533 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.33ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-29 05:02:07,535 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 370 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 2054 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1239.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.71ms SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 2054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1531.21ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:07,536 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 0 Invalid, 2565 Unknown, 0 Unchecked, 3.71ms Time], IncrementalHoareTripleChecker [511 Valid, 2054 Invalid, 0 Unknown, 0 Unchecked, 1531.21ms Time] [2021-08-29 05:02:07,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13906 states. [2021-08-29 05:02:07,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13906 to 12566. [2021-08-29 05:02:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12566 states, 12565 states have (on average 1.0826104257859133) internal successors, (13603), 12565 states have internal predecessors, (13603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12566 states to 12566 states and 13603 transitions. [2021-08-29 05:02:07,763 INFO L78 Accepts]: Start accepts. Automaton has 12566 states and 13603 transitions. Word has length 566 [2021-08-29 05:02:07,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:07,764 INFO L470 AbstractCegarLoop]: Abstraction has 12566 states and 13603 transitions. [2021-08-29 05:02:07,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.57142857142857) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 12566 states and 13603 transitions. [2021-08-29 05:02:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2021-08-29 05:02:07,774 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:07,775 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:07,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 05:02:07,775 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:07,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:07,776 INFO L82 PathProgramCache]: Analyzing trace with hash -2040208118, now seen corresponding path program 1 times [2021-08-29 05:02:07,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:07,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936207242] [2021-08-29 05:02:07,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:07,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 739 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-08-29 05:02:07,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:07,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936207242] [2021-08-29 05:02:07,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936207242] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:07,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:07,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:07,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723079312] [2021-08-29 05:02:07,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:07,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:07,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:07,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:07,959 INFO L87 Difference]: Start difference. First operand 12566 states and 13603 transitions. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:08,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:08,846 INFO L93 Difference]: Finished difference Result 27762 states and 30174 transitions. [2021-08-29 05:02:08,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:08,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 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 666 [2021-08-29 05:02:08,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:08,872 INFO L225 Difference]: With dead ends: 27762 [2021-08-29 05:02:08,872 INFO L226 Difference]: Without dead ends: 15856 [2021-08-29 05:02:08,885 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:08,886 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 194 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 656.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.20ms SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 800.79ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:08,886 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 0 Invalid, 962 Unknown, 0 Unchecked, 1.20ms Time], IncrementalHoareTripleChecker [140 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 800.79ms Time] [2021-08-29 05:02:08,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15856 states. [2021-08-29 05:02:09,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15856 to 15198. [2021-08-29 05:02:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15198 states, 15197 states have (on average 1.08475356978351) internal successors, (16485), 15197 states have internal predecessors, (16485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:09,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15198 states to 15198 states and 16485 transitions. [2021-08-29 05:02:09,162 INFO L78 Accepts]: Start accepts. Automaton has 15198 states and 16485 transitions. Word has length 666 [2021-08-29 05:02:09,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:09,163 INFO L470 AbstractCegarLoop]: Abstraction has 15198 states and 16485 transitions. [2021-08-29 05:02:09,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 15198 states and 16485 transitions. [2021-08-29 05:02:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2021-08-29 05:02:09,174 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:09,174 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-29 05:02:09,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 05:02:09,175 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:09,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:09,176 INFO L82 PathProgramCache]: Analyzing trace with hash -2128512303, now seen corresponding path program 1 times [2021-08-29 05:02:09,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:09,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575244909] [2021-08-29 05:02:09,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:09,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 803 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-08-29 05:02:09,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:09,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575244909] [2021-08-29 05:02:09,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575244909] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:09,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:09,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:09,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913896613] [2021-08-29 05:02:09,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:09,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:09,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:09,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:02:09,404 INFO L87 Difference]: Start difference. First operand 15198 states and 16485 transitions. Second operand has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:10,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:10,281 INFO L93 Difference]: Finished difference Result 29736 states and 32301 transitions. [2021-08-29 05:02:10,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:10,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 720 [2021-08-29 05:02:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:10,304 INFO L225 Difference]: With dead ends: 29736 [2021-08-29 05:02:10,304 INFO L226 Difference]: Without dead ends: 15198 [2021-08-29 05:02:10,364 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.50ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:02:10,365 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 269 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 648.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.10ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 793.53ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:10,365 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 0 Invalid, 904 Unknown, 0 Unchecked, 1.10ms Time], IncrementalHoareTripleChecker [4 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 793.53ms Time] [2021-08-29 05:02:10,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15198 states. [2021-08-29 05:02:10,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15198 to 15198. [2021-08-29 05:02:10,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15198 states, 15197 states have (on average 1.0845561624004738) internal successors, (16482), 15197 states have internal predecessors, (16482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15198 states to 15198 states and 16482 transitions. [2021-08-29 05:02:10,536 INFO L78 Accepts]: Start accepts. Automaton has 15198 states and 16482 transitions. Word has length 720 [2021-08-29 05:02:10,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:10,537 INFO L470 AbstractCegarLoop]: Abstraction has 15198 states and 16482 transitions. [2021-08-29 05:02:10,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 15198 states and 16482 transitions. [2021-08-29 05:02:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2021-08-29 05:02:10,547 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:10,547 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:10,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 05:02:10,548 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:10,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:10,548 INFO L82 PathProgramCache]: Analyzing trace with hash 479289470, now seen corresponding path program 1 times [2021-08-29 05:02:10,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:10,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43995345] [2021-08-29 05:02:10,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:10,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:10,810 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 544 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-08-29 05:02:10,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:10,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43995345] [2021-08-29 05:02:10,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43995345] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:10,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:10,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 05:02:10,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523136479] [2021-08-29 05:02:10,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:10,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:10,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:10,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:02:10,813 INFO L87 Difference]: Start difference. First operand 15198 states and 16482 transitions. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:11,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:11,837 INFO L93 Difference]: Finished difference Result 15588 states and 16879 transitions. [2021-08-29 05:02:11,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:02:11,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 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 722 [2021-08-29 05:02:11,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:11,861 INFO L225 Difference]: With dead ends: 15588 [2021-08-29 05:02:11,862 INFO L226 Difference]: Without dead ends: 15527 [2021-08-29 05:02:11,867 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.52ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:02:11,867 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 505 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 786.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.18ms SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 953.49ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:11,868 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [505 Valid, 0 Invalid, 1377 Unknown, 0 Unchecked, 2.18ms Time], IncrementalHoareTripleChecker [113 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 953.49ms Time] [2021-08-29 05:02:11,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15527 states. [2021-08-29 05:02:12,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15527 to 15198. [2021-08-29 05:02:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15198 states, 15197 states have (on average 1.0839639402513654) internal successors, (16473), 15197 states have internal predecessors, (16473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15198 states to 15198 states and 16473 transitions. [2021-08-29 05:02:12,061 INFO L78 Accepts]: Start accepts. Automaton has 15198 states and 16473 transitions. Word has length 722 [2021-08-29 05:02:12,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:12,062 INFO L470 AbstractCegarLoop]: Abstraction has 15198 states and 16473 transitions. [2021-08-29 05:02:12,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 15198 states and 16473 transitions. [2021-08-29 05:02:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2021-08-29 05:02:12,076 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:12,076 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:12,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 05:02:12,077 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:12,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:12,077 INFO L82 PathProgramCache]: Analyzing trace with hash -752870972, now seen corresponding path program 1 times [2021-08-29 05:02:12,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:12,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905664251] [2021-08-29 05:02:12,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:12,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 601 proven. 220 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-08-29 05:02:12,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:12,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905664251] [2021-08-29 05:02:12,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905664251] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:12,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121291300] [2021-08-29 05:02:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:12,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:12,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:12,473 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:12,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-29 05:02:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:12,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-29 05:02:12,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 637 proven. 201 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-08-29 05:02:16,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 05:02:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1063 backedges. 637 proven. 201 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-08-29 05:02:22,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121291300] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 05:02:22,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 05:02:22,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2021-08-29 05:02:22,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836687199] [2021-08-29 05:02:22,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-29 05:02:22,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:22,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-29 05:02:22,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-29 05:02:22,796 INFO L87 Difference]: Start difference. First operand 15198 states and 16473 transitions. Second operand has 11 states, 11 states have (on average 145.9090909090909) internal successors, (1605), 10 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:27,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:27,591 INFO L93 Difference]: Finished difference Result 31852 states and 34514 transitions. [2021-08-29 05:02:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-29 05:02:27,595 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 145.9090909090909) internal successors, (1605), 10 states have internal predecessors, (1605), 0 states have call successors, (0), 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 810 [2021-08-29 05:02:27,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:27,610 INFO L225 Difference]: With dead ends: 31852 [2021-08-29 05:02:27,610 INFO L226 Difference]: Without dead ends: 17314 [2021-08-29 05:02:27,619 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1637 GetRequests, 1615 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 294.76ms TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2021-08-29 05:02:27,619 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 1747 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 8638 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3580.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.46ms SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 8638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4356.50ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:27,620 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [1747 Valid, 0 Invalid, 9172 Unknown, 0 Unchecked, 12.46ms Time], IncrementalHoareTripleChecker [534 Valid, 8638 Invalid, 0 Unknown, 0 Unchecked, 4356.50ms Time] [2021-08-29 05:02:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17314 states. [2021-08-29 05:02:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17314 to 15527. [2021-08-29 05:02:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15527 states, 15526 states have (on average 1.0694963287388897) internal successors, (16605), 15526 states have internal predecessors, (16605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:27,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15527 states to 15527 states and 16605 transitions. [2021-08-29 05:02:27,802 INFO L78 Accepts]: Start accepts. Automaton has 15527 states and 16605 transitions. Word has length 810 [2021-08-29 05:02:27,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:27,803 INFO L470 AbstractCegarLoop]: Abstraction has 15527 states and 16605 transitions. [2021-08-29 05:02:27,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 145.9090909090909) internal successors, (1605), 10 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 15527 states and 16605 transitions. [2021-08-29 05:02:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2021-08-29 05:02:27,817 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:27,817 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-29 05:02:27,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:28,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:28,033 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:28,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:28,033 INFO L82 PathProgramCache]: Analyzing trace with hash -38982213, now seen corresponding path program 1 times [2021-08-29 05:02:28,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:28,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54847029] [2021-08-29 05:02:28,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:28,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 941 proven. 100 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-08-29 05:02:28,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:28,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54847029] [2021-08-29 05:02:28,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54847029] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:28,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841508199] [2021-08-29 05:02:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:28,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:28,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:28,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:28,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-29 05:02:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:28,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-29 05:02:28,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 249 proven. 851 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-08-29 05:02:32,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 05:02:36,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 308 proven. 792 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-08-29 05:02:36,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841508199] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 05:02:36,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 05:02:36,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 12 [2021-08-29 05:02:36,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863567834] [2021-08-29 05:02:36,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-29 05:02:36,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:36,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-29 05:02:36,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-08-29 05:02:36,270 INFO L87 Difference]: Start difference. First operand 15527 states and 16605 transitions. Second operand has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:43,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:43,368 INFO L93 Difference]: Finished difference Result 40648 states and 43350 transitions. [2021-08-29 05:02:43,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-29 05:02:43,377 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 0 states have call successors, (0), 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 869 [2021-08-29 05:02:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:43,410 INFO L225 Difference]: With dead ends: 40648 [2021-08-29 05:02:43,410 INFO L226 Difference]: Without dead ends: 25656 [2021-08-29 05:02:43,420 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1765 GetRequests, 1729 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 319.49ms TimeCoverageRelationStatistics Valid=393, Invalid=1013, Unknown=0, NotChecked=0, Total=1406 [2021-08-29 05:02:43,420 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 6078 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 11258 mSolverCounterSat, 1114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5268.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6078 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.36ms SdHoareTripleChecker+Time, 1114 IncrementalHoareTripleChecker+Valid, 11258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6422.54ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:43,421 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [6078 Valid, 0 Invalid, 12372 Unknown, 0 Unchecked, 17.36ms Time], IncrementalHoareTripleChecker [1114 Valid, 11258 Invalid, 0 Unknown, 0 Unchecked, 6422.54ms Time] [2021-08-29 05:02:43,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25656 states. [2021-08-29 05:02:43,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25656 to 20462. [2021-08-29 05:02:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20462 states, 20461 states have (on average 1.0620204291090367) internal successors, (21730), 20461 states have internal predecessors, (21730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20462 states to 20462 states and 21730 transitions. [2021-08-29 05:02:43,674 INFO L78 Accepts]: Start accepts. Automaton has 20462 states and 21730 transitions. Word has length 869 [2021-08-29 05:02:43,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:43,675 INFO L470 AbstractCegarLoop]: Abstraction has 20462 states and 21730 transitions. [2021-08-29 05:02:43,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 118.0) internal successors, (1534), 12 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 20462 states and 21730 transitions. [2021-08-29 05:02:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 992 [2021-08-29 05:02:43,693 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:43,693 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:43,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:43,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:43,918 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:43,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:43,918 INFO L82 PathProgramCache]: Analyzing trace with hash -845445616, now seen corresponding path program 1 times [2021-08-29 05:02:43,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:43,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613113559] [2021-08-29 05:02:43,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:43,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:44,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2148 backedges. 1327 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2021-08-29 05:02:44,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:44,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613113559] [2021-08-29 05:02:44,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613113559] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:44,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:44,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:44,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507418866] [2021-08-29 05:02:44,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:44,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:44,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:44,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:44,279 INFO L87 Difference]: Start difference. First operand 20462 states and 21730 transitions. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:45,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:45,206 INFO L93 Difference]: Finished difference Result 42896 states and 45706 transitions. [2021-08-29 05:02:45,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:45,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 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 991 [2021-08-29 05:02:45,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:45,227 INFO L225 Difference]: With dead ends: 42896 [2021-08-29 05:02:45,227 INFO L226 Difference]: Without dead ends: 22765 [2021-08-29 05:02:45,240 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:45,241 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 220 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 664.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.20ms SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 818.86ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:45,241 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 0 Invalid, 1311 Unknown, 0 Unchecked, 1.20ms Time], IncrementalHoareTripleChecker [94 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 818.86ms Time] [2021-08-29 05:02:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22765 states. [2021-08-29 05:02:45,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22765 to 21449. [2021-08-29 05:02:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21449 states, 21448 states have (on average 1.0583271167474824) internal successors, (22699), 21448 states have internal predecessors, (22699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:45,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21449 states to 21449 states and 22699 transitions. [2021-08-29 05:02:45,436 INFO L78 Accepts]: Start accepts. Automaton has 21449 states and 22699 transitions. Word has length 991 [2021-08-29 05:02:45,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:45,437 INFO L470 AbstractCegarLoop]: Abstraction has 21449 states and 22699 transitions. [2021-08-29 05:02:45,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:45,437 INFO L276 IsEmpty]: Start isEmpty. Operand 21449 states and 22699 transitions. [2021-08-29 05:02:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 995 [2021-08-29 05:02:45,450 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:45,450 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:45,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 05:02:45,451 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:45,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:45,451 INFO L82 PathProgramCache]: Analyzing trace with hash 248035481, now seen corresponding path program 1 times [2021-08-29 05:02:45,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:45,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149898134] [2021-08-29 05:02:45,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:45,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2527 backedges. 1077 proven. 0 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2021-08-29 05:02:45,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:45,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149898134] [2021-08-29 05:02:45,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149898134] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:45,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:45,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:45,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174993331] [2021-08-29 05:02:45,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:45,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:45,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:45,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:45,781 INFO L87 Difference]: Start difference. First operand 21449 states and 22699 transitions. Second operand has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:46,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:46,697 INFO L93 Difference]: Finished difference Result 48818 states and 51740 transitions. [2021-08-29 05:02:46,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:46,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 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 994 [2021-08-29 05:02:46,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:46,720 INFO L225 Difference]: With dead ends: 48818 [2021-08-29 05:02:46,720 INFO L226 Difference]: Without dead ends: 26055 [2021-08-29 05:02:46,735 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.29ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:46,736 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 210 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 648.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.08ms SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 798.86ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:46,736 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 0 Invalid, 1290 Unknown, 0 Unchecked, 1.08ms Time], IncrementalHoareTripleChecker [105 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 798.86ms Time] [2021-08-29 05:02:46,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26055 states. [2021-08-29 05:02:46,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26055 to 25068. [2021-08-29 05:02:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25068 states, 25067 states have (on average 1.0440419675270276) internal successors, (26171), 25067 states have internal predecessors, (26171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25068 states to 25068 states and 26171 transitions. [2021-08-29 05:02:46,959 INFO L78 Accepts]: Start accepts. Automaton has 25068 states and 26171 transitions. Word has length 994 [2021-08-29 05:02:46,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:46,960 INFO L470 AbstractCegarLoop]: Abstraction has 25068 states and 26171 transitions. [2021-08-29 05:02:46,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 25068 states and 26171 transitions. [2021-08-29 05:02:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2021-08-29 05:02:46,978 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:46,978 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 05:02:46,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 05:02:46,979 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:46,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:46,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1865704582, now seen corresponding path program 1 times [2021-08-29 05:02:46,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:46,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052299043] [2021-08-29 05:02:46,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:46,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2634 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 2222 trivial. 0 not checked. [2021-08-29 05:02:47,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:47,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052299043] [2021-08-29 05:02:47,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052299043] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:47,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:47,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:47,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302637217] [2021-08-29 05:02:47,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:47,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:47,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:47,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:47,277 INFO L87 Difference]: Start difference. First operand 25068 states and 26171 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:48,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:48,180 INFO L93 Difference]: Finished difference Result 50134 states and 52339 transitions. [2021-08-29 05:02:48,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:48,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1077 [2021-08-29 05:02:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:48,213 INFO L225 Difference]: With dead ends: 50134 [2021-08-29 05:02:48,213 INFO L226 Difference]: Without dead ends: 25068 [2021-08-29 05:02:48,226 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:48,227 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 274 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 638.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.20ms SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 778.99ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:48,227 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 0 Invalid, 1271 Unknown, 0 Unchecked, 1.20ms Time], IncrementalHoareTripleChecker [47 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 778.99ms Time] [2021-08-29 05:02:48,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25068 states. [2021-08-29 05:02:48,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25068 to 23423. [2021-08-29 05:02:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23423 states, 23422 states have (on average 1.0372726496456324) internal successors, (24295), 23422 states have internal predecessors, (24295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23423 states to 23423 states and 24295 transitions. [2021-08-29 05:02:48,440 INFO L78 Accepts]: Start accepts. Automaton has 23423 states and 24295 transitions. Word has length 1077 [2021-08-29 05:02:48,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:48,441 INFO L470 AbstractCegarLoop]: Abstraction has 23423 states and 24295 transitions. [2021-08-29 05:02:48,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 23423 states and 24295 transitions. [2021-08-29 05:02:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1177 [2021-08-29 05:02:48,457 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:48,457 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 05:02:48,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-29 05:02:48,458 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:48,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:48,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1766292187, now seen corresponding path program 1 times [2021-08-29 05:02:48,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:48,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990284030] [2021-08-29 05:02:48,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:48,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 956 proven. 0 refuted. 0 times theorem prover too weak. 2248 trivial. 0 not checked. [2021-08-29 05:02:48,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:48,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990284030] [2021-08-29 05:02:48,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990284030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:48,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:48,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:48,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270828052] [2021-08-29 05:02:48,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:48,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:48,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:48,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:48,778 INFO L87 Difference]: Start difference. First operand 23423 states and 24295 transitions. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:49,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:49,772 INFO L93 Difference]: Finished difference Result 46515 states and 48257 transitions. [2021-08-29 05:02:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:49,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 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 1176 [2021-08-29 05:02:49,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:49,794 INFO L225 Difference]: With dead ends: 46515 [2021-08-29 05:02:49,794 INFO L226 Difference]: Without dead ends: 23094 [2021-08-29 05:02:49,807 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.32ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:49,807 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 263 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 725.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.34ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 881.37ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:49,808 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 0 Invalid, 1281 Unknown, 0 Unchecked, 1.34ms Time], IncrementalHoareTripleChecker [73 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 881.37ms Time] [2021-08-29 05:02:49,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23094 states. [2021-08-29 05:02:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23094 to 22107. [2021-08-29 05:02:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22107 states, 22106 states have (on average 1.0303085135257397) internal successors, (22776), 22106 states have internal predecessors, (22776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22107 states to 22107 states and 22776 transitions. [2021-08-29 05:02:49,999 INFO L78 Accepts]: Start accepts. Automaton has 22107 states and 22776 transitions. Word has length 1176 [2021-08-29 05:02:49,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:49,999 INFO L470 AbstractCegarLoop]: Abstraction has 22107 states and 22776 transitions. [2021-08-29 05:02:50,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 22107 states and 22776 transitions. [2021-08-29 05:02:50,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1206 [2021-08-29 05:02:50,014 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:50,015 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:50,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-29 05:02:50,015 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:50,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:50,015 INFO L82 PathProgramCache]: Analyzing trace with hash 431588237, now seen corresponding path program 1 times [2021-08-29 05:02:50,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:50,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702866204] [2021-08-29 05:02:50,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:50,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 1871 trivial. 0 not checked. [2021-08-29 05:02:50,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:50,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702866204] [2021-08-29 05:02:50,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702866204] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:50,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:50,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:50,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104619941] [2021-08-29 05:02:50,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:50,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:50,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:50,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:50,350 INFO L87 Difference]: Start difference. First operand 22107 states and 22776 transitions. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:51,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:51,289 INFO L93 Difference]: Finished difference Result 43883 states and 45219 transitions. [2021-08-29 05:02:51,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:51,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 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 1205 [2021-08-29 05:02:51,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:51,309 INFO L225 Difference]: With dead ends: 43883 [2021-08-29 05:02:51,310 INFO L226 Difference]: Without dead ends: 22107 [2021-08-29 05:02:51,322 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:51,322 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 306 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 627.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.48ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 779.32ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:51,322 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 0 Invalid, 1186 Unknown, 0 Unchecked, 1.48ms Time], IncrementalHoareTripleChecker [19 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 779.32ms Time] [2021-08-29 05:02:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22107 states. [2021-08-29 05:02:51,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22107 to 21778. [2021-08-29 05:02:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21778 states, 21777 states have (on average 1.0266795242687239) internal successors, (22358), 21777 states have internal predecessors, (22358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21778 states to 21778 states and 22358 transitions. [2021-08-29 05:02:51,536 INFO L78 Accepts]: Start accepts. Automaton has 21778 states and 22358 transitions. Word has length 1205 [2021-08-29 05:02:51,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:51,537 INFO L470 AbstractCegarLoop]: Abstraction has 21778 states and 22358 transitions. [2021-08-29 05:02:51,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 21778 states and 22358 transitions. [2021-08-29 05:02:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1319 [2021-08-29 05:02:51,556 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:51,557 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:51,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-29 05:02:51,557 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:51,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:51,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1933224121, now seen corresponding path program 1 times [2021-08-29 05:02:51,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:51,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73311547] [2021-08-29 05:02:51,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:51,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4357 backedges. 2683 proven. 0 refuted. 0 times theorem prover too weak. 1674 trivial. 0 not checked. [2021-08-29 05:02:51,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:51,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73311547] [2021-08-29 05:02:51,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73311547] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:51,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:51,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:51,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326577413] [2021-08-29 05:02:51,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:51,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:51,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:51,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:51,858 INFO L87 Difference]: Start difference. First operand 21778 states and 22358 transitions. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:52,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:52,837 INFO L93 Difference]: Finished difference Result 43225 states and 44383 transitions. [2021-08-29 05:02:52,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:52,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 0 states have call successors, (0), 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 1318 [2021-08-29 05:02:52,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:52,856 INFO L225 Difference]: With dead ends: 43225 [2021-08-29 05:02:52,856 INFO L226 Difference]: Without dead ends: 21778 [2021-08-29 05:02:52,867 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.53ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:52,868 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 192 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 715.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.10ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 873.15ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:52,868 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 0 Invalid, 1262 Unknown, 0 Unchecked, 1.10ms Time], IncrementalHoareTripleChecker [66 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 873.15ms Time] [2021-08-29 05:02:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21778 states. [2021-08-29 05:02:53,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21778 to 21120. [2021-08-29 05:02:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21120 states, 21119 states have (on average 1.0196979023628012) internal successors, (21535), 21119 states have internal predecessors, (21535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21120 states to 21120 states and 21535 transitions. [2021-08-29 05:02:53,105 INFO L78 Accepts]: Start accepts. Automaton has 21120 states and 21535 transitions. Word has length 1318 [2021-08-29 05:02:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:53,106 INFO L470 AbstractCegarLoop]: Abstraction has 21120 states and 21535 transitions. [2021-08-29 05:02:53,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 21120 states and 21535 transitions. [2021-08-29 05:02:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1475 [2021-08-29 05:02:53,131 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:53,132 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:02:53,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-29 05:02:53,132 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:53,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:53,133 INFO L82 PathProgramCache]: Analyzing trace with hash 32508082, now seen corresponding path program 1 times [2021-08-29 05:02:53,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:53,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297412517] [2021-08-29 05:02:53,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:53,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4142 backedges. 471 proven. 0 refuted. 0 times theorem prover too weak. 3671 trivial. 0 not checked. [2021-08-29 05:02:53,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:53,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297412517] [2021-08-29 05:02:53,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297412517] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:53,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:53,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 05:02:53,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373656714] [2021-08-29 05:02:53,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:02:53,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:53,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:02:53,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 05:02:53,520 INFO L87 Difference]: Start difference. First operand 21120 states and 21535 transitions. Second operand has 4 states, 4 states have (on average 98.75) internal successors, (395), 4 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:54,781 INFO L93 Difference]: Finished difference Result 43907 states and 44770 transitions. [2021-08-29 05:02:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 05:02:54,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.75) internal successors, (395), 4 states have internal predecessors, (395), 0 states have call successors, (0), 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 1474 [2021-08-29 05:02:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:54,800 INFO L225 Difference]: With dead ends: 43907 [2021-08-29 05:02:54,800 INFO L226 Difference]: Without dead ends: 22107 [2021-08-29 05:02:54,810 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 05:02:54,811 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 605 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1609 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 930.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.00ms SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1146.94ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:54,811 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [605 Valid, 0 Invalid, 1726 Unknown, 0 Unchecked, 2.00ms Time], IncrementalHoareTripleChecker [117 Valid, 1609 Invalid, 0 Unknown, 0 Unchecked, 1146.94ms Time] [2021-08-29 05:02:54,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22107 states. [2021-08-29 05:02:55,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22107 to 20462. [2021-08-29 05:02:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20462 states, 20461 states have (on average 1.0193050193050193) internal successors, (20856), 20461 states have internal predecessors, (20856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20462 states to 20462 states and 20856 transitions. [2021-08-29 05:02:55,042 INFO L78 Accepts]: Start accepts. Automaton has 20462 states and 20856 transitions. Word has length 1474 [2021-08-29 05:02:55,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:55,043 INFO L470 AbstractCegarLoop]: Abstraction has 20462 states and 20856 transitions. [2021-08-29 05:02:55,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.75) internal successors, (395), 4 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 20462 states and 20856 transitions. [2021-08-29 05:02:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1502 [2021-08-29 05:02:55,071 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:55,072 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-29 05:02:55,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-29 05:02:55,073 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:55,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:55,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1163778471, now seen corresponding path program 1 times [2021-08-29 05:02:55,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:55,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309539933] [2021-08-29 05:02:55,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:55,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4383 backedges. 2828 proven. 35 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2021-08-29 05:02:55,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:55,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309539933] [2021-08-29 05:02:55,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309539933] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:02:55,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85526538] [2021-08-29 05:02:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:55,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:02:55,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:02:55,525 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:02:55,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-29 05:02:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:55,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:02:55,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:02:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4383 backedges. 1650 proven. 0 refuted. 0 times theorem prover too weak. 2733 trivial. 0 not checked. [2021-08-29 05:02:58,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:02:58,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85526538] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:58,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:02:58,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-29 05:02:58,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491975624] [2021-08-29 05:02:58,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:58,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:58,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:58,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:02:58,219 INFO L87 Difference]: Start difference. First operand 20462 states and 20856 transitions. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:02:59,045 INFO L93 Difference]: Finished difference Result 40922 states and 41713 transitions. [2021-08-29 05:02:59,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:02:59,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 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 1501 [2021-08-29 05:02:59,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:02:59,069 INFO L225 Difference]: With dead ends: 40922 [2021-08-29 05:02:59,070 INFO L226 Difference]: Without dead ends: 20791 [2021-08-29 05:02:59,081 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1505 GetRequests, 1501 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 15.25ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:02:59,082 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 80 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 596.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.92ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 730.48ms IncrementalHoareTripleChecker+Time [2021-08-29 05:02:59,082 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 0 Invalid, 1209 Unknown, 0 Unchecked, 0.92ms Time], IncrementalHoareTripleChecker [8 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 730.48ms Time] [2021-08-29 05:02:59,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20791 states. [2021-08-29 05:02:59,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20791 to 20791. [2021-08-29 05:02:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20791 states, 20790 states have (on average 1.018951418951419) internal successors, (21184), 20790 states have internal predecessors, (21184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20791 states to 20791 states and 21184 transitions. [2021-08-29 05:02:59,249 INFO L78 Accepts]: Start accepts. Automaton has 20791 states and 21184 transitions. Word has length 1501 [2021-08-29 05:02:59,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:02:59,249 INFO L470 AbstractCegarLoop]: Abstraction has 20791 states and 21184 transitions. [2021-08-29 05:02:59,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:02:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 20791 states and 21184 transitions. [2021-08-29 05:02:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1530 [2021-08-29 05:02:59,273 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:02:59,273 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-08-29 05:02:59,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-29 05:02:59,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-08-29 05:02:59,474 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:02:59,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:02:59,475 INFO L82 PathProgramCache]: Analyzing trace with hash 158822930, now seen corresponding path program 1 times [2021-08-29 05:02:59,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:02:59,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225159284] [2021-08-29 05:02:59,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:02:59,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:02:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:02:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5206 backedges. 2562 proven. 0 refuted. 0 times theorem prover too weak. 2644 trivial. 0 not checked. [2021-08-29 05:02:59,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:02:59,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225159284] [2021-08-29 05:02:59,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225159284] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:02:59,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:02:59,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:02:59,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574850194] [2021-08-29 05:02:59,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:02:59,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:02:59,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:02:59,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:02:59,842 INFO L87 Difference]: Start difference. First operand 20791 states and 21184 transitions. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:00,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:00,757 INFO L93 Difference]: Finished difference Result 43554 states and 44416 transitions. [2021-08-29 05:03:00,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:03:00,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 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 1529 [2021-08-29 05:03:00,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:00,774 INFO L225 Difference]: With dead ends: 43554 [2021-08-29 05:03:00,774 INFO L226 Difference]: Without dead ends: 21449 [2021-08-29 05:03:00,785 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:00,788 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 205 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 597.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.07ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 740.35ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:00,789 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 0 Invalid, 1229 Unknown, 0 Unchecked, 1.07ms Time], IncrementalHoareTripleChecker [52 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 740.35ms Time] [2021-08-29 05:03:00,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21449 states. [2021-08-29 05:03:00,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21449 to 20133. [2021-08-29 05:03:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20133 states, 20132 states have (on average 1.016938207828333) internal successors, (20473), 20132 states have internal predecessors, (20473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20133 states to 20133 states and 20473 transitions. [2021-08-29 05:03:00,981 INFO L78 Accepts]: Start accepts. Automaton has 20133 states and 20473 transitions. Word has length 1529 [2021-08-29 05:03:00,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:00,982 INFO L470 AbstractCegarLoop]: Abstraction has 20133 states and 20473 transitions. [2021-08-29 05:03:00,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 20133 states and 20473 transitions. [2021-08-29 05:03:01,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1533 [2021-08-29 05:03:01,003 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:01,003 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:03:01,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-29 05:03:01,004 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:01,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:01,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1036823288, now seen corresponding path program 1 times [2021-08-29 05:03:01,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:01,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456457931] [2021-08-29 05:03:01,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:01,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4414 backedges. 2606 proven. 288 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2021-08-29 05:03:01,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:01,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456457931] [2021-08-29 05:03:01,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456457931] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:03:01,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785304352] [2021-08-29 05:03:01,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:01,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:01,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:03:01,580 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:03:01,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-29 05:03:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:01,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 05:03:01,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:03:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4414 backedges. 2858 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2021-08-29 05:03:03,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:03:03,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785304352] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:03:03,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:03:03,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-08-29 05:03:03,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273239628] [2021-08-29 05:03:03,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:03:03,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:03,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:03:03,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-29 05:03:03,947 INFO L87 Difference]: Start difference. First operand 20133 states and 20473 transitions. Second operand has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:04,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:04,971 INFO L93 Difference]: Finished difference Result 40593 states and 41282 transitions. [2021-08-29 05:03:04,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:03:04,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 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 1532 [2021-08-29 05:03:04,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:04,989 INFO L225 Difference]: With dead ends: 40593 [2021-08-29 05:03:04,989 INFO L226 Difference]: Without dead ends: 20791 [2021-08-29 05:03:04,998 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1538 GetRequests, 1532 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 32.49ms TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-29 05:03:04,998 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 221 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 782.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.12ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 928.38ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:04,999 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 0 Invalid, 1244 Unknown, 0 Unchecked, 1.12ms Time], IncrementalHoareTripleChecker [33 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 928.38ms Time] [2021-08-29 05:03:05,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20791 states. [2021-08-29 05:03:05,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20791 to 20791. [2021-08-29 05:03:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20791 states, 20790 states have (on average 1.015921115921116) internal successors, (21121), 20790 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) [2021-08-29 05:03:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20791 states to 20791 states and 21121 transitions. [2021-08-29 05:03:05,159 INFO L78 Accepts]: Start accepts. Automaton has 20791 states and 21121 transitions. Word has length 1532 [2021-08-29 05:03:05,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:05,160 INFO L470 AbstractCegarLoop]: Abstraction has 20791 states and 21121 transitions. [2021-08-29 05:03:05,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:05,160 INFO L276 IsEmpty]: Start isEmpty. Operand 20791 states and 21121 transitions. [2021-08-29 05:03:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1610 [2021-08-29 05:03:05,183 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:05,183 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:03:05,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-29 05:03:05,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:05,384 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:05,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:05,385 INFO L82 PathProgramCache]: Analyzing trace with hash -662561413, now seen corresponding path program 1 times [2021-08-29 05:03:05,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:05,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118582782] [2021-08-29 05:03:05,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:05,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4402 backedges. 2635 proven. 288 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2021-08-29 05:03:05,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:05,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118582782] [2021-08-29 05:03:05,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118582782] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:03:05,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290127372] [2021-08-29 05:03:05,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:05,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:05,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:03:05,969 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:03:06,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-29 05:03:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:06,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 05:03:06,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:03:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4402 backedges. 1640 proven. 59 refuted. 0 times theorem prover too weak. 2703 trivial. 0 not checked. [2021-08-29 05:03:10,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 05:03:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4402 backedges. 1699 proven. 0 refuted. 0 times theorem prover too weak. 2703 trivial. 0 not checked. [2021-08-29 05:03:12,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290127372] provided 1 perfect and 1 imperfect interpolant sequences [2021-08-29 05:03:12,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-08-29 05:03:12,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 4] total 11 [2021-08-29 05:03:12,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370999279] [2021-08-29 05:03:12,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:03:12,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:12,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:03:12,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-08-29 05:03:12,237 INFO L87 Difference]: Start difference. First operand 20791 states and 21121 transitions. Second operand has 4 states, 4 states have (on average 167.5) internal successors, (670), 4 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:13,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:13,049 INFO L93 Difference]: Finished difference Result 21510 states and 21849 transitions. [2021-08-29 05:03:13,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:03:13,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 167.5) internal successors, (670), 4 states have internal predecessors, (670), 0 states have call successors, (0), 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 1609 [2021-08-29 05:03:13,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:13,067 INFO L225 Difference]: With dead ends: 21510 [2021-08-29 05:03:13,067 INFO L226 Difference]: Without dead ends: 21449 [2021-08-29 05:03:13,070 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3223 GetRequests, 3214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 64.32ms TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-08-29 05:03:13,071 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 327 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 602.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.13ms SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 741.72ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:13,071 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 0 Invalid, 915 Unknown, 0 Unchecked, 1.13ms Time], IncrementalHoareTripleChecker [125 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 741.72ms Time] [2021-08-29 05:03:13,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21449 states. [2021-08-29 05:03:13,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21449 to 20791. [2021-08-29 05:03:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20791 states, 20790 states have (on average 1.0157768157768157) internal successors, (21118), 20790 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) [2021-08-29 05:03:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20791 states to 20791 states and 21118 transitions. [2021-08-29 05:03:13,231 INFO L78 Accepts]: Start accepts. Automaton has 20791 states and 21118 transitions. Word has length 1609 [2021-08-29 05:03:13,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:13,232 INFO L470 AbstractCegarLoop]: Abstraction has 20791 states and 21118 transitions. [2021-08-29 05:03:13,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 167.5) internal successors, (670), 4 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 20791 states and 21118 transitions. [2021-08-29 05:03:13,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2069 [2021-08-29 05:03:13,267 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:13,267 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:03:13,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-29 05:03:13,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:13,469 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:13,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:13,470 INFO L82 PathProgramCache]: Analyzing trace with hash 227614003, now seen corresponding path program 1 times [2021-08-29 05:03:13,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:13,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172858249] [2021-08-29 05:03:13,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:13,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8397 backedges. 5130 proven. 0 refuted. 0 times theorem prover too weak. 3267 trivial. 0 not checked. [2021-08-29 05:03:14,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:14,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172858249] [2021-08-29 05:03:14,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172858249] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:03:14,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:03:14,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:03:14,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604092881] [2021-08-29 05:03:14,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:03:14,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:14,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:03:14,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:14,032 INFO L87 Difference]: Start difference. First operand 20791 states and 21118 transitions. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:14,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:14,914 INFO L93 Difference]: Finished difference Result 41580 states and 42237 transitions. [2021-08-29 05:03:14,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:03:14,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 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 2068 [2021-08-29 05:03:14,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:14,931 INFO L225 Difference]: With dead ends: 41580 [2021-08-29 05:03:14,932 INFO L226 Difference]: Without dead ends: 21120 [2021-08-29 05:03:14,940 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:14,940 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 653.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.08ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 792.89ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:14,941 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 0 Invalid, 1189 Unknown, 0 Unchecked, 1.08ms Time], IncrementalHoareTripleChecker [4 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 792.89ms Time] [2021-08-29 05:03:14,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21120 states. [2021-08-29 05:03:15,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21120 to 20462. [2021-08-29 05:03:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20462 states, 20461 states have (on average 1.0159816235765602) internal successors, (20788), 20461 states have internal predecessors, (20788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:15,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20462 states to 20462 states and 20788 transitions. [2021-08-29 05:03:15,103 INFO L78 Accepts]: Start accepts. Automaton has 20462 states and 20788 transitions. Word has length 2068 [2021-08-29 05:03:15,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:15,104 INFO L470 AbstractCegarLoop]: Abstraction has 20462 states and 20788 transitions. [2021-08-29 05:03:15,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:15,104 INFO L276 IsEmpty]: Start isEmpty. Operand 20462 states and 20788 transitions. [2021-08-29 05:03:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2164 [2021-08-29 05:03:15,140 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:15,141 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-08-29 05:03:15,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-29 05:03:15,141 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:15,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:15,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1725735585, now seen corresponding path program 1 times [2021-08-29 05:03:15,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:15,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322753825] [2021-08-29 05:03:15,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:15,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 9415 backedges. 6947 proven. 427 refuted. 0 times theorem prover too weak. 2041 trivial. 0 not checked. [2021-08-29 05:03:15,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:15,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322753825] [2021-08-29 05:03:15,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322753825] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:03:15,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200605566] [2021-08-29 05:03:15,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:15,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:15,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:03:15,973 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:03:15,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-29 05:03:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:16,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 2528 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 05:03:16,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:03:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 9415 backedges. 5538 proven. 0 refuted. 0 times theorem prover too weak. 3877 trivial. 0 not checked. [2021-08-29 05:03:19,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:03:19,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200605566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:03:19,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:03:19,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-08-29 05:03:19,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025071399] [2021-08-29 05:03:19,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:03:19,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:19,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:03:19,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-29 05:03:19,713 INFO L87 Difference]: Start difference. First operand 20462 states and 20788 transitions. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:20,615 INFO L93 Difference]: Finished difference Result 40593 states and 41243 transitions. [2021-08-29 05:03:20,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:03:20,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 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 2163 [2021-08-29 05:03:20,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:20,634 INFO L225 Difference]: With dead ends: 40593 [2021-08-29 05:03:20,634 INFO L226 Difference]: Without dead ends: 20462 [2021-08-29 05:03:20,645 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2170 GetRequests, 2164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 29.27ms TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-29 05:03:20,646 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 668.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 809.10ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:20,646 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 0 Invalid, 1182 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [15 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 809.10ms Time] [2021-08-29 05:03:20,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20462 states. [2021-08-29 05:03:20,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20462 to 20462. [2021-08-29 05:03:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20462 states, 20461 states have (on average 1.0155906358438005) internal successors, (20780), 20461 states have internal predecessors, (20780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20462 states to 20462 states and 20780 transitions. [2021-08-29 05:03:20,830 INFO L78 Accepts]: Start accepts. Automaton has 20462 states and 20780 transitions. Word has length 2163 [2021-08-29 05:03:20,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:20,831 INFO L470 AbstractCegarLoop]: Abstraction has 20462 states and 20780 transitions. [2021-08-29 05:03:20,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 20462 states and 20780 transitions. [2021-08-29 05:03:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2288 [2021-08-29 05:03:20,870 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:20,871 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:03:20,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-29 05:03:21,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-08-29 05:03:21,074 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:21,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:21,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1337090136, now seen corresponding path program 1 times [2021-08-29 05:03:21,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:21,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516881538] [2021-08-29 05:03:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:21,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 9402 backedges. 6026 proven. 0 refuted. 0 times theorem prover too weak. 3376 trivial. 0 not checked. [2021-08-29 05:03:21,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:21,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516881538] [2021-08-29 05:03:21,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516881538] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:03:21,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:03:21,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:03:21,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851857830] [2021-08-29 05:03:21,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:03:21,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:21,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:03:21,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:21,944 INFO L87 Difference]: Start difference. First operand 20462 states and 20780 transitions. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:22,795 INFO L93 Difference]: Finished difference Result 40593 states and 41227 transitions. [2021-08-29 05:03:22,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:03:22,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 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 2287 [2021-08-29 05:03:22,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:22,811 INFO L225 Difference]: With dead ends: 40593 [2021-08-29 05:03:22,811 INFO L226 Difference]: Without dead ends: 20462 [2021-08-29 05:03:22,820 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:22,821 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 64 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 627.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 762.89ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:22,821 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 0 Invalid, 1178 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [11 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 762.89ms Time] [2021-08-29 05:03:22,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20462 states. [2021-08-29 05:03:22,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20462 to 20462. [2021-08-29 05:03:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20462 states, 20461 states have (on average 1.0151996481110406) internal successors, (20772), 20461 states have internal predecessors, (20772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:22,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20462 states to 20462 states and 20772 transitions. [2021-08-29 05:03:22,982 INFO L78 Accepts]: Start accepts. Automaton has 20462 states and 20772 transitions. Word has length 2287 [2021-08-29 05:03:22,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:22,983 INFO L470 AbstractCegarLoop]: Abstraction has 20462 states and 20772 transitions. [2021-08-29 05:03:22,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 20462 states and 20772 transitions. [2021-08-29 05:03:23,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2388 [2021-08-29 05:03:23,082 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:23,083 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:03:23,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-29 05:03:23,083 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:23,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:23,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1986189576, now seen corresponding path program 1 times [2021-08-29 05:03:23,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:23,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114228778] [2021-08-29 05:03:23,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:23,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11320 backedges. 2283 proven. 0 refuted. 0 times theorem prover too weak. 9037 trivial. 0 not checked. [2021-08-29 05:03:23,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:23,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114228778] [2021-08-29 05:03:23,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114228778] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:03:23,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:03:23,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:03:23,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626545085] [2021-08-29 05:03:23,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:03:23,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:23,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:03:23,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:23,805 INFO L87 Difference]: Start difference. First operand 20462 states and 20772 transitions. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:24,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:24,659 INFO L93 Difference]: Finished difference Result 41250 states and 41874 transitions. [2021-08-29 05:03:24,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:03:24,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 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 2387 [2021-08-29 05:03:24,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:24,676 INFO L225 Difference]: With dead ends: 41250 [2021-08-29 05:03:24,676 INFO L226 Difference]: Without dead ends: 19474 [2021-08-29 05:03:24,686 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:24,686 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 195 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 626.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.99ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 761.97ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:24,687 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 0 Invalid, 1207 Unknown, 0 Unchecked, 0.99ms Time], IncrementalHoareTripleChecker [41 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 761.97ms Time] [2021-08-29 05:03:24,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19474 states. [2021-08-29 05:03:24,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19474 to 18816. [2021-08-29 05:03:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18816 states, 18815 states have (on average 1.0108955620515545) internal successors, (19020), 18815 states have internal predecessors, (19020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:24,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18816 states to 18816 states and 19020 transitions. [2021-08-29 05:03:24,830 INFO L78 Accepts]: Start accepts. Automaton has 18816 states and 19020 transitions. Word has length 2387 [2021-08-29 05:03:24,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:24,832 INFO L470 AbstractCegarLoop]: Abstraction has 18816 states and 19020 transitions. [2021-08-29 05:03:24,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 18816 states and 19020 transitions. [2021-08-29 05:03:24,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2470 [2021-08-29 05:03:24,873 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:24,874 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:03:24,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-29 05:03:24,874 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1019327256, now seen corresponding path program 1 times [2021-08-29 05:03:24,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:24,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550759298] [2021-08-29 05:03:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:24,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 13074 backedges. 4367 proven. 0 refuted. 0 times theorem prover too weak. 8707 trivial. 0 not checked. [2021-08-29 05:03:25,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:25,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550759298] [2021-08-29 05:03:25,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550759298] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:03:25,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 05:03:25,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 05:03:25,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850055088] [2021-08-29 05:03:25,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 05:03:25,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:25,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 05:03:25,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:25,672 INFO L87 Difference]: Start difference. First operand 18816 states and 19020 transitions. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:26,495 INFO L93 Difference]: Finished difference Result 34340 states and 34727 transitions. [2021-08-29 05:03:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 05:03:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 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 2469 [2021-08-29 05:03:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:26,511 INFO L225 Difference]: With dead ends: 34340 [2021-08-29 05:03:26,511 INFO L226 Difference]: Without dead ends: 20132 [2021-08-29 05:03:26,520 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.35ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 05:03:26,521 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 198 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 608.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.01ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 740.66ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:26,521 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 0 Invalid, 1195 Unknown, 0 Unchecked, 1.01ms Time], IncrementalHoareTripleChecker [24 Valid, 1171 Invalid, 0 Unknown, 0 Unchecked, 740.66ms Time] [2021-08-29 05:03:26,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20132 states. [2021-08-29 05:03:26,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20132 to 18158. [2021-08-29 05:03:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18158 states, 18157 states have (on average 1.0110150355234895) internal successors, (18357), 18157 states have internal predecessors, (18357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:26,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18158 states to 18158 states and 18357 transitions. [2021-08-29 05:03:26,666 INFO L78 Accepts]: Start accepts. Automaton has 18158 states and 18357 transitions. Word has length 2469 [2021-08-29 05:03:26,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:26,667 INFO L470 AbstractCegarLoop]: Abstraction has 18158 states and 18357 transitions. [2021-08-29 05:03:26,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 18158 states and 18357 transitions. [2021-08-29 05:03:26,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2610 [2021-08-29 05:03:26,711 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:26,712 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 05:03:26,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-29 05:03:26,712 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:26,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1341586274, now seen corresponding path program 1 times [2021-08-29 05:03:26,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:26,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110899937] [2021-08-29 05:03:26,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:26,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 4318 proven. 134 refuted. 0 times theorem prover too weak. 8966 trivial. 0 not checked. [2021-08-29 05:03:27,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:27,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110899937] [2021-08-29 05:03:27,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110899937] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:03:27,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30451397] [2021-08-29 05:03:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:27,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:27,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:03:27,841 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:03:27,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-29 05:03:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:28,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 2989 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 05:03:28,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:03:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13418 backedges. 3030 proven. 0 refuted. 0 times theorem prover too weak. 10388 trivial. 0 not checked. [2021-08-29 05:03:31,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 05:03:31,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30451397] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 05:03:31,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 05:03:31,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-08-29 05:03:31,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897756355] [2021-08-29 05:03:31,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 05:03:31,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:31,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 05:03:31,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:03:31,802 INFO L87 Difference]: Start difference. First operand 18158 states and 18357 transitions. Second operand has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:32,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:32,881 INFO L93 Difference]: Finished difference Result 19864 states and 20079 transitions. [2021-08-29 05:03:32,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 05:03:32,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 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 2609 [2021-08-29 05:03:32,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:32,898 INFO L225 Difference]: With dead ends: 19864 [2021-08-29 05:03:32,898 INFO L226 Difference]: Without dead ends: 19803 [2021-08-29 05:03:32,902 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2613 GetRequests, 2609 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 14.75ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:03:32,902 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 363 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 808.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.53ms SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 997.49ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:32,902 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 0 Invalid, 1596 Unknown, 0 Unchecked, 1.53ms Time], IncrementalHoareTripleChecker [86 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 997.49ms Time] [2021-08-29 05:03:32,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19803 states. [2021-08-29 05:03:33,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19803 to 17829. [2021-08-29 05:03:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17829 states, 17828 states have (on average 1.0110500336549249) internal successors, (18025), 17828 states have internal predecessors, (18025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17829 states to 17829 states and 18025 transitions. [2021-08-29 05:03:33,041 INFO L78 Accepts]: Start accepts. Automaton has 17829 states and 18025 transitions. Word has length 2609 [2021-08-29 05:03:33,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:33,042 INFO L470 AbstractCegarLoop]: Abstraction has 17829 states and 18025 transitions. [2021-08-29 05:03:33,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 17829 states and 18025 transitions. [2021-08-29 05:03:33,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2805 [2021-08-29 05:03:33,095 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 05:03:33,095 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 05:03:33,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-29 05:03:33,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:33,297 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 05:03:33,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 05:03:33,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1482410570, now seen corresponding path program 1 times [2021-08-29 05:03:33,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 05:03:33,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624239546] [2021-08-29 05:03:33,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:33,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 05:03:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10567 proven. 60 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2021-08-29 05:03:34,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 05:03:34,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624239546] [2021-08-29 05:03:34,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624239546] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 05:03:34,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275193679] [2021-08-29 05:03:34,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 05:03:34,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 05:03:34,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 05:03:34,452 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 05:03:34,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-29 05:03:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 05:03:34,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 3211 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-29 05:03:34,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 05:03:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10567 proven. 60 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2021-08-29 05:03:40,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 05:03:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10567 proven. 60 refuted. 0 times theorem prover too weak. 4455 trivial. 0 not checked. [2021-08-29 05:03:45,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275193679] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 05:03:45,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 05:03:45,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2021-08-29 05:03:45,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890308263] [2021-08-29 05:03:45,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 05:03:45,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 05:03:45,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 05:03:45,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 05:03:45,991 INFO L87 Difference]: Start difference. First operand 17829 states and 18025 transitions. Second operand has 6 states, 6 states have (on average 185.33333333333334) internal successors, (1112), 6 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:47,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 05:03:47,563 INFO L93 Difference]: Finished difference Result 30443 states and 30788 transitions. [2021-08-29 05:03:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 05:03:47,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 185.33333333333334) internal successors, (1112), 6 states have internal predecessors, (1112), 0 states have call successors, (0), 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 2804 [2021-08-29 05:03:47,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 05:03:47,565 INFO L225 Difference]: With dead ends: 30443 [2021-08-29 05:03:47,565 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 05:03:47,574 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5616 GetRequests, 5609 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 34.47ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-08-29 05:03:47,575 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 434 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 3078 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1189.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.61ms SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 3078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1452.52ms IncrementalHoareTripleChecker+Time [2021-08-29 05:03:47,575 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 0 Invalid, 3142 Unknown, 0 Unchecked, 2.61ms Time], IncrementalHoareTripleChecker [64 Valid, 3078 Invalid, 0 Unknown, 0 Unchecked, 1452.52ms Time] [2021-08-29 05:03:47,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 05:03:47,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 05:03:47,575 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) [2021-08-29 05:03:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 05:03:47,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2804 [2021-08-29 05:03:47,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 05:03:47,576 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 05:03:47,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.33333333333334) internal successors, (1112), 6 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 05:03:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 05:03:47,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 05:03:47,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 05:03:47,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-29 05:03:47,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-08-29 05:03:47,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 05:03:47,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:03:49,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:03:49,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:03:50,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:03:56,134 WARN L210 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 622 DAG size of output: 199 [2021-08-29 05:04:04,609 WARN L210 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 618 DAG size of output: 199 [2021-08-29 05:04:04,613 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,613 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,613 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-29 05:04:04,614 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,615 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,616 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,617 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,617 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-29 05:04:04,617 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-29 05:04:04,617 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-29 05:04:04,617 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,617 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,617 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,617 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,618 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,618 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,618 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,618 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,618 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,618 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,618 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,618 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,619 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,619 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,619 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,619 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,619 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,619 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,619 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,619 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-29 05:04:04,620 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,620 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-29 05:04:04,620 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-29 05:04:04,620 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse11 (= ~a12~0 9)) (.cse26 (= ~a16~0 11)) (.cse35 (* (div ~a18~0 5) 10)) (.cse33 (+ ~a18~0 156)) (.cse34 (+ 87 ~a18~0))) (let ((.cse29 (<= (+ ~a18~0 292384) 0)) (.cse8 (<= .cse34 0)) (.cse32 (< 0 .cse33)) (.cse22 (= ~a12~0 8)) (.cse15 (= ~a16~0 12)) (.cse6 (<= ~a18~0 134)) (.cse31 (<= ~a12~0 6)) (.cse4 (or (not (= (mod ~a18~0 5) 0)) (<= (div (+ .cse35 3616650) (- 9)) 135))) (.cse5 (<= (div (+ .cse35 3616660) (- 9)) 135)) (.cse13 (<= 0 .cse34)) (.cse7 (= ~a16~0 8)) (.cse23 (or (not .cse11) (not .cse26))) (.cse3 (<= ~a16~0 11)) (.cse10 (= ~a15~0 3)) (.cse20 (<= ~a18~0 600002))) (let ((.cse12 (or (and .cse7 .cse31 .cse3 .cse4 .cse10 .cse20 .cse5) (and .cse13 .cse7 .cse23 .cse3 .cse10 .cse20))) (.cse25 (or (and .cse13 .cse22 .cse15 .cse10 .cse20) (and .cse22 .cse15 .cse4 .cse10 .cse5 .cse6))) (.cse0 (<= ~a12~0 5)) (.cse21 (<= ~a18~0 594508)) (.cse18 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse24 (<= ~a18~0 597816)) (.cse9 (<= ~a12~0 7)) (.cse1 (= ~a16~0 10)) (.cse30 (or (and .cse32 .cse6) (not (= ULTIMATE.start_calculate_output_~input 1)))) (.cse19 (= 5 ~a12~0)) (.cse2 (= ~a15~0 4)) (.cse27 (<= .cse33 0)) (.cse17 (or (and .cse11 .cse29 .cse8 .cse3 .cse4 .cse10 .cse5) (and .cse13 .cse11 .cse23 .cse3 .cse10 .cse20) (and .cse11 .cse26 .cse8 .cse3 .cse4 .cse10 .cse5))) (.cse14 (= ~a12~0 6)) (.cse16 (= ~a16~0 9)) (.cse28 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse3 .cse4 .cse10 .cse5) (and .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse10 .cse6) (and .cse16 .cse17) (and .cse15 .cse18 .cse19 .cse10 .cse20) (and .cse13 .cse1 .cse2 .cse14 .cse21 .cse3) (and .cse13 .cse7 .cse22 .cse23 .cse3 .cse10 .cse20) (and .cse24 .cse25 .cse18) (and .cse13 .cse7 .cse2 .cse22 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse26 .cse22 .cse27 .cse8 .cse3 .cse4 .cse10 .cse5) (and .cse13 .cse7 .cse2 .cse14 .cse21 .cse18 .cse3) (and .cse16 .cse8 .cse9 .cse3 .cse4 .cse10 .cse5 .cse28) (and .cse0 .cse13 .cse1 (<= 598710 ~a18~0) .cse2 .cse19 .cse3 .cse20) (and .cse14 .cse12) (and .cse1 .cse2 .cse14 .cse4 .cse5 .cse6) (and .cse13 .cse11 .cse7 .cse2 .cse6) (and .cse25 .cse6) (and .cse26 .cse4 .cse10 .cse5 .cse28 .cse6) (and .cse2 (or (and .cse24 .cse16 .cse18 .cse28) (and (or (and .cse16 .cse8 .cse9 .cse3 .cse4 .cse5) (and .cse13 .cse16 .cse9 .cse3)) .cse6))) (and .cse0 .cse13 .cse7 .cse2 .cse21 .cse18 .cse3 .cse20) (and .cse14 .cse21 .cse15 .cse18 .cse10) (and .cse24 .cse11 .cse7 .cse2 (< 69093 ~a18~0)) (and .cse7 .cse2 .cse27 .cse8 .cse9 .cse3 .cse4 .cse5 .cse28) (and .cse7 .cse2 .cse29 .cse8 .cse9 .cse3 .cse4 .cse5) (and .cse1 .cse22 .cse3 .cse4 .cse10 .cse20 .cse5) (and .cse13 .cse7 .cse2 .cse9 .cse3 .cse6) (and .cse13 .cse16 .cse19 .cse10 .cse20) (and .cse13 .cse11 .cse15 .cse10 .cse20 .cse30) (and .cse7 .cse2 .cse22 .cse8 (<= (+ ~a18~0 192034) 0) .cse4 .cse5) (and .cse11 .cse16 .cse2 .cse23 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse14 .cse31 .cse3 .cse4 .cse10 .cse20 .cse5) (and .cse11 .cse27 .cse15 .cse4 .cse10 .cse5 .cse30) (and .cse19 .cse3 .cse4 .cse10 .cse5 .cse6) (and .cse16 .cse2 .cse22 .cse23 .cse3 .cse4 .cse5 .cse6) (and .cse15 .cse19 .cse32 .cse10 .cse6) (and .cse13 .cse11 .cse26 .cse3 .cse10 .cse6) (and .cse11 .cse7 .cse2 .cse8 .cse4 .cse5) (and .cse27 .cse17) (and .cse7 .cse31 .cse3 .cse4 .cse10 .cse20 .cse5 .cse6) (and .cse14 .cse31 .cse3 .cse4 .cse10 .cse20 .cse5 .cse6) (and .cse15 .cse4 .cse10 .cse5 .cse28 .cse6) (and .cse16 .cse22 .cse3 .cse4 .cse10 .cse20 .cse5) (and .cse13 .cse16 .cse10 .cse20 .cse28) (and .cse13 .cse26 .cse22 .cse3 .cse10 .cse6) (and .cse7 .cse29 .cse8 .cse3 .cse4 .cse10 .cse5))))) [2021-08-29 05:04:04,620 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,621 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,622 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,623 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse34 (* (div ~a18~0 5) 10)) (.cse33 (+ ~a18~0 156)) (.cse35 (+ 87 ~a18~0)) (.cse12 (= ~a12~0 9)) (.cse25 (= ~a16~0 11))) (let ((.cse24 (<= (+ ~a18~0 292384) 0)) (.cse13 (or (not .cse12) (not .cse25))) (.cse8 (<= .cse35 0)) (.cse7 (= ~a16~0 8)) (.cse18 (<= ~a12~0 6)) (.cse3 (<= ~a16~0 11)) (.cse31 (< 0 .cse33)) (.cse11 (<= 0 .cse35)) (.cse21 (<= ~a18~0 600002)) (.cse26 (= ~a12~0 8)) (.cse17 (= ~a16~0 12)) (.cse4 (or (not (= (mod ~a18~0 5) 0)) (<= (div (+ .cse34 3616650) (- 9)) 135))) (.cse10 (= ~a15~0 3)) (.cse5 (<= (div (+ .cse34 3616660) (- 9)) 135)) (.cse6 (<= ~a18~0 134))) (let ((.cse9 (<= ~a12~0 7)) (.cse23 (or (and .cse11 .cse26 .cse17 .cse10 .cse21) (and .cse26 .cse17 .cse4 .cse10 .cse5 .cse6))) (.cse22 (<= ~a18~0 597816)) (.cse19 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse0 (<= ~a12~0 5)) (.cse30 (or (and .cse31 .cse6) (not (= ULTIMATE.start_calculate_output_~input 1)))) (.cse20 (= 5 ~a12~0)) (.cse1 (= ~a16~0 10)) (.cse28 (<= ~a18~0 594508)) (.cse15 (= ~a12~0 6)) (.cse2 (= ~a15~0 4)) (.cse27 (<= .cse33 0)) (.cse16 (= 7 ~a12~0)) (.cse32 (or (and .cse11 .cse7 .cse10 .cse21) (and .cse7 .cse18 .cse3 .cse4 .cse10 .cse21 .cse5))) (.cse29 (or (and .cse12 .cse24 .cse3 .cse4 .cse10 .cse5) (and .cse11 .cse12 .cse13 .cse3 .cse10 .cse21) (and .cse12 .cse25 .cse8 .cse3 .cse4 .cse10 .cse5))) (.cse14 (= ~a16~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse3 .cse4 .cse10 .cse5) (and .cse11 .cse12 .cse7 .cse2 .cse13 .cse3 .cse6) (and .cse14 .cse2 .cse15 .cse4 .cse5 .cse6) (and .cse11 .cse7 .cse2 .cse16 .cse6) (and .cse11 .cse15 .cse17 .cse10 .cse6) (and .cse7 .cse18 .cse3 .cse4 .cse10 .cse5 .cse6) (and .cse17 .cse19 .cse20 .cse10 .cse21) (and .cse22 .cse23 .cse19) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse24 .cse3 .cse4 .cse10 .cse5) (and .cse25 .cse26 .cse27 .cse8 .cse3 .cse4 .cse10 .cse5) (and .cse14 .cse8 .cse9 .cse3 .cse4 .cse10 .cse5 .cse16) (and .cse7 .cse2 .cse24 .cse18 .cse4 .cse5) (and .cse23 .cse6) (and .cse25 .cse4 .cse10 .cse5 .cse16 .cse6) (and .cse11 .cse25 .cse26 .cse10 .cse6) (and .cse15 .cse28 .cse17 .cse19 .cse10) (and .cse22 .cse12 .cse7 .cse2 (< 69093 ~a18~0)) (and .cse15 .cse18 .cse3 .cse4 .cse10 .cse5 .cse6) (and (or (and .cse22 .cse14 .cse19 .cse16) (and .cse14 .cse4 .cse5 .cse16 .cse6)) .cse2) (and .cse2 (or (and .cse7 .cse28 .cse19 .cse18) (and .cse11 .cse7 .cse18 .cse6))) (and .cse1 .cse26 .cse3 .cse4 .cse10 .cse21 .cse5) (and .cse11 .cse14 .cse20 .cse10 .cse21) (and .cse29 .cse27) (and .cse11 .cse12 .cse25 .cse10 .cse6) (and .cse11 .cse12 .cse17 .cse10 .cse21 .cse30) (and .cse12 .cse14 .cse2 .cse4 .cse5 .cse6) (and .cse1 (<= 598710 ~a18~0) .cse2 .cse20 .cse21) (and .cse7 .cse2 .cse26 .cse8 (<= (+ ~a18~0 192034) 0) .cse4 .cse5) (and .cse1 .cse15 .cse18 .cse3 .cse4 .cse10 .cse21 .cse5) (and .cse0 .cse14 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse12 .cse27 .cse17 .cse4 .cse10 .cse5 .cse30) (and .cse20 .cse3 .cse4 .cse10 .cse5 .cse6) (and .cse11 .cse7 .cse2 .cse26 .cse13 .cse3 .cse6) (and .cse17 .cse20 .cse31 .cse10 .cse6) (and .cse12 .cse7 .cse2 .cse8 .cse4 .cse5) (and .cse1 .cse2 .cse15 .cse28 .cse4 .cse5) (and .cse17 .cse4 .cse10 .cse5 .cse16 .cse6) (and .cse14 .cse26 .cse3 .cse4 .cse10 .cse21 .cse5) (and .cse32 .cse15) (and .cse11 .cse14 .cse10 .cse21 .cse16) (and .cse11 .cse7 .cse26 .cse10 .cse21) (and .cse14 .cse2 .cse26 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse27 .cse4 .cse5 .cse16) (and .cse12 .cse32) (and .cse29 .cse14))))) [2021-08-29 05:04:04,623 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-29 05:04:04,624 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,625 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-29 05:04:04,626 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse11 (= ~a12~0 9)) (.cse26 (= ~a16~0 11)) (.cse35 (* (div ~a18~0 5) 10)) (.cse33 (+ ~a18~0 156)) (.cse34 (+ 87 ~a18~0))) (let ((.cse29 (<= (+ ~a18~0 292384) 0)) (.cse8 (<= .cse34 0)) (.cse32 (< 0 .cse33)) (.cse22 (= ~a12~0 8)) (.cse15 (= ~a16~0 12)) (.cse6 (<= ~a18~0 134)) (.cse31 (<= ~a12~0 6)) (.cse4 (or (not (= (mod ~a18~0 5) 0)) (<= (div (+ .cse35 3616650) (- 9)) 135))) (.cse5 (<= (div (+ .cse35 3616660) (- 9)) 135)) (.cse13 (<= 0 .cse34)) (.cse7 (= ~a16~0 8)) (.cse23 (or (not .cse11) (not .cse26))) (.cse3 (<= ~a16~0 11)) (.cse10 (= ~a15~0 3)) (.cse20 (<= ~a18~0 600002))) (let ((.cse12 (or (and .cse7 .cse31 .cse3 .cse4 .cse10 .cse20 .cse5) (and .cse13 .cse7 .cse23 .cse3 .cse10 .cse20))) (.cse25 (or (and .cse13 .cse22 .cse15 .cse10 .cse20) (and .cse22 .cse15 .cse4 .cse10 .cse5 .cse6))) (.cse0 (<= ~a12~0 5)) (.cse21 (<= ~a18~0 594508)) (.cse18 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse24 (<= ~a18~0 597816)) (.cse9 (<= ~a12~0 7)) (.cse1 (= ~a16~0 10)) (.cse30 (or (and .cse32 .cse6) (not (= ULTIMATE.start_calculate_output_~input 1)))) (.cse19 (= 5 ~a12~0)) (.cse2 (= ~a15~0 4)) (.cse27 (<= .cse33 0)) (.cse17 (or (and .cse11 .cse29 .cse8 .cse3 .cse4 .cse10 .cse5) (and .cse13 .cse11 .cse23 .cse3 .cse10 .cse20) (and .cse11 .cse26 .cse8 .cse3 .cse4 .cse10 .cse5))) (.cse14 (= ~a12~0 6)) (.cse16 (= ~a16~0 9)) (.cse28 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse3 .cse4 .cse10 .cse5) (and .cse11 .cse12) (and .cse13 .cse14 .cse15 .cse10 .cse6) (and .cse16 .cse17) (and .cse15 .cse18 .cse19 .cse10 .cse20) (and .cse13 .cse1 .cse2 .cse14 .cse21 .cse3) (and .cse13 .cse7 .cse22 .cse23 .cse3 .cse10 .cse20) (and .cse24 .cse25 .cse18) (and .cse13 .cse7 .cse2 .cse22 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse26 .cse22 .cse27 .cse8 .cse3 .cse4 .cse10 .cse5) (and .cse13 .cse7 .cse2 .cse14 .cse21 .cse18 .cse3) (and .cse16 .cse8 .cse9 .cse3 .cse4 .cse10 .cse5 .cse28) (and .cse0 .cse13 .cse1 (<= 598710 ~a18~0) .cse2 .cse19 .cse3 .cse20) (and .cse14 .cse12) (and .cse1 .cse2 .cse14 .cse4 .cse5 .cse6) (and .cse13 .cse11 .cse7 .cse2 .cse6) (and .cse25 .cse6) (and .cse26 .cse4 .cse10 .cse5 .cse28 .cse6) (and .cse2 (or (and .cse24 .cse16 .cse18 .cse28) (and (or (and .cse16 .cse8 .cse9 .cse3 .cse4 .cse5) (and .cse13 .cse16 .cse9 .cse3)) .cse6))) (and .cse0 .cse13 .cse7 .cse2 .cse21 .cse18 .cse3 .cse20) (and .cse14 .cse21 .cse15 .cse18 .cse10) (and .cse24 .cse11 .cse7 .cse2 (< 69093 ~a18~0)) (and .cse7 .cse2 .cse27 .cse8 .cse9 .cse3 .cse4 .cse5 .cse28) (and .cse7 .cse2 .cse29 .cse8 .cse9 .cse3 .cse4 .cse5) (and .cse1 .cse22 .cse3 .cse4 .cse10 .cse20 .cse5) (and .cse13 .cse7 .cse2 .cse9 .cse3 .cse6) (and .cse13 .cse16 .cse19 .cse10 .cse20) (and .cse13 .cse11 .cse15 .cse10 .cse20 .cse30) (and .cse7 .cse2 .cse22 .cse8 (<= (+ ~a18~0 192034) 0) .cse4 .cse5) (and .cse11 .cse16 .cse2 .cse23 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse14 .cse31 .cse3 .cse4 .cse10 .cse20 .cse5) (and .cse11 .cse27 .cse15 .cse4 .cse10 .cse5 .cse30) (and .cse19 .cse3 .cse4 .cse10 .cse5 .cse6) (and .cse16 .cse2 .cse22 .cse23 .cse3 .cse4 .cse5 .cse6) (and .cse15 .cse19 .cse32 .cse10 .cse6) (and .cse13 .cse11 .cse26 .cse3 .cse10 .cse6) (and .cse11 .cse7 .cse2 .cse8 .cse4 .cse5) (and .cse27 .cse17) (and .cse7 .cse31 .cse3 .cse4 .cse10 .cse20 .cse5 .cse6) (and .cse14 .cse31 .cse3 .cse4 .cse10 .cse20 .cse5 .cse6) (and .cse15 .cse4 .cse10 .cse5 .cse28 .cse6) (and .cse16 .cse22 .cse3 .cse4 .cse10 .cse20 .cse5) (and .cse13 .cse16 .cse10 .cse20 .cse28) (and .cse13 .cse26 .cse22 .cse3 .cse10 .cse6) (and .cse7 .cse29 .cse8 .cse3 .cse4 .cse10 .cse5))))) [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,627 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,628 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,629 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,630 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,631 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,632 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,632 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,632 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,632 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,632 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,632 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,632 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,633 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-29 05:04:04,633 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-29 05:04:04,633 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-29 05:04:04,633 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,633 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,633 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,633 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,633 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,634 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-29 05:04:04,635 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-29 05:04:04,636 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-29 05:04:04,636 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,636 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,636 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,636 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,636 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,636 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,636 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,637 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,637 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,637 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,637 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,637 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,637 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,637 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,637 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 05:04:04,638 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,638 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-29 05:04:04,638 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-29 05:04:04,638 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,638 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,638 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,638 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,638 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,639 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,639 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,639 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,639 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,639 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,639 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,639 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,639 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-29 05:04:04,640 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-29 05:04:04,640 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,640 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,640 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,640 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,640 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,640 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,640 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,641 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,641 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,641 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,641 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,641 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,641 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,641 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,641 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,642 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,642 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-29 05:04:04,642 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-29 05:04:04,642 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,642 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,642 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,642 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,642 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,643 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,643 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,643 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,643 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,643 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 05:04:04,643 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,643 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,643 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-29 05:04:04,644 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-29 05:04:04,644 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,644 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,644 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,644 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,644 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,644 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,644 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,645 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,645 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,645 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,645 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,645 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,645 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,645 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,645 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,646 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,646 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,646 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-29 05:04:04,646 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-29 05:04:04,646 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,646 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,646 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,646 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,647 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,647 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,647 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-08-29 05:04:04,647 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,647 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,647 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,647 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-29 05:04:04,647 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-08-29 05:04:04,648 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,648 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,648 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-08-29 05:04:04,648 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-29 05:04:04,648 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-29 05:04:04,648 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-29 05:04:04,652 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 05:04:04,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:04:04 BoogieIcfgContainer [2021-08-29 05:04:04,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 05:04:04,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 05:04:04,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 05:04:04,705 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 05:04:04,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:39" (3/4) ... [2021-08-29 05:04:04,708 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 05:04:04,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-29 05:04:04,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 05:04:04,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 05:04:04,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 05:04:04,891 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 05:04:04,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 05:04:04,892 INFO L158 Benchmark]: Toolchain (without parser) took 147483.54ms. Allocated memory was 54.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 28.1MB in the beginning and 768.9MB in the end (delta: -740.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-08-29 05:04:04,892 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 05:04:04,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.80ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 27.9MB in the beginning and 31.3MB in the end (delta: -3.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-08-29 05:04:04,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.82ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.3MB in the beginning and 40.9MB in the end (delta: -9.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-08-29 05:04:04,900 INFO L158 Benchmark]: Boogie Preprocessor took 212.59ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 35.2MB in the end (delta: 5.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-08-29 05:04:04,900 INFO L158 Benchmark]: RCFGBuilder took 966.50ms. Allocated memory was 81.8MB in the beginning and 146.8MB in the end (delta: 65.0MB). Free memory was 35.2MB in the beginning and 63.5MB in the end (delta: -28.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-08-29 05:04:04,902 INFO L158 Benchmark]: TraceAbstraction took 145119.65ms. Allocated memory was 146.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 63.5MB in the beginning and 811.9MB in the end (delta: -748.4MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2021-08-29 05:04:04,902 INFO L158 Benchmark]: Witness Printer took 187.26ms. Allocated memory is still 1.9GB. Free memory was 811.9MB in the beginning and 768.9MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-08-29 05:04:04,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.80ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 27.9MB in the beginning and 31.3MB in the end (delta: -3.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.82ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.3MB in the beginning and 40.9MB in the end (delta: -9.6MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 212.59ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 35.2MB in the end (delta: 5.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * RCFGBuilder took 966.50ms. Allocated memory was 81.8MB in the beginning and 146.8MB in the end (delta: 65.0MB). Free memory was 35.2MB in the beginning and 63.5MB in the end (delta: -28.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * TraceAbstraction took 145119.65ms. Allocated memory was 146.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 63.5MB in the beginning and 811.9MB in the end (delta: -748.4MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 187.26ms. Allocated memory is still 1.9GB. Free memory was 811.9MB in the beginning and 768.9MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 200]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 145005.84ms, OverallIterations: 32, TraceHistogramMax: 15, EmptinessCheckTime: 703.02ms, AutomataDifference: 51016.14ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 16833.56ms, InitialAbstractionConstructionTime: 21.36ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17090 SdHoareTripleChecker+Valid, 45822.08ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17090 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 37827.42ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 638 mSDsCounter, 7205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60148 IncrementalHoareTripleChecker+Invalid, 67353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7205 mSolverCounterUnsat, 0 mSDtfsCounter, 60148 mSolverCounterSat, 106.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21397 GetRequests, 21259 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 986.23ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25068occurred in iteration=16, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 5242.89ms AutomataMinimizationTime, 32 MinimizatonAttempts, 26128 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 337 NumberOfFragments, 6188 HoareAnnotationTreeSize, 4 FomulaSimplifications, 162163 FormulaSimplificationTreeSizeReduction, 2586.21ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 202718 FormulaSimplificationTreeSizeReductionInter, 14232.84ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1232.11ms SsaConstructionTime, 3982.72ms SatisfiabilityAnalysisTime, 63071.13ms InterpolantComputationTime, 52512 NumberOfCodeBlocks, 52512 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 59032 ConstructedInterpolants, 59 QuantifiedInterpolants, 179791 SizeOfPredicates, 16 NumberOfNonLiveVariables, 17196 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 47 InterpolantComputations, 28 PerfectInterpolantSequences, 198772/202957 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: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((a12 <= 5 && a16 == 10) && a15 == 4) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134) || ((((((a16 == 8 && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((0 <= 87 + a18 && a12 == 9) && a16 == 8) && a15 == 4) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a18 <= 134)) || (((((a16 == 9 && a15 == 4) && a12 == 6) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && 7 == a12) && a18 <= 134)) || ((((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3) && a18 <= 134)) || ((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((a16 == 12 && a18 / -2 + 79 <= 0) && 5 == a12) && a15 == 3) && a18 <= 600002)) || ((a18 <= 597816 && (((((0 <= 87 + a18 && a12 == 8) && a16 == 12) && a15 == 3) && a18 <= 600002) || (((((a12 == 8 && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134))) && a18 / -2 + 79 <= 0)) || ((((((a12 <= 5 && a16 == 8) && a15 == 4) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((a16 == 8 && a18 + 292384 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((((a16 == 11 && a12 == 8) && a18 + 156 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((((a16 == 9 && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12)) || (((((a16 == 8 && a15 == 4) && a18 + 292384 <= 0) && a12 <= 6) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((0 <= 87 + a18 && a12 == 8) && a16 == 12) && a15 == 3) && a18 <= 600002) || (((((a12 == 8 && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) && a18 <= 134)) || (((((a16 == 11 && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12) && a18 <= 134)) || ((((0 <= 87 + a18 && a16 == 11) && a12 == 8) && a15 == 3) && a18 <= 134)) || ((((a12 == 6 && a18 <= 594508) && a16 == 12) && a18 / -2 + 79 <= 0) && a15 == 3)) || ((((a18 <= 597816 && a12 == 9) && a16 == 8) && a15 == 4) && 69093 < a18)) || ((((((a12 == 6 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((a18 <= 597816 && a16 == 9) && a18 / -2 + 79 <= 0) && 7 == a12) || ((((a16 == 9 && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12) && a18 <= 134)) && a15 == 4)) || (a15 == 4 && ((((a16 == 8 && a18 <= 594508) && a18 / -2 + 79 <= 0) && a12 <= 6) || (((0 <= 87 + a18 && a16 == 8) && a12 <= 6) && a18 <= 134)))) || ((((((a16 == 10 && a12 == 8) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((0 <= 87 + a18 && a16 == 9) && 5 == a12) && a15 == 3) && a18 <= 600002)) || ((((((((a12 == 9 && a18 + 292384 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a12 == 9) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((a12 == 9 && a16 == 11) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) && a18 + 156 <= 0)) || ((((0 <= 87 + a18 && a12 == 9) && a16 == 11) && a15 == 3) && a18 <= 134)) || (((((0 <= 87 + a18 && a12 == 9) && a16 == 12) && a15 == 3) && a18 <= 600002) && ((0 < a18 + 156 && a18 <= 134) || !(input == 1)))) || (((((a12 == 9 && a16 == 9) && a15 == 4) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((a16 == 10 && 598710 <= a18) && a15 == 4) && 5 == a12) && a18 <= 600002)) || ((((((a16 == 8 && a15 == 4) && a12 == 8) && 87 + a18 <= 0) && a18 + 192034 <= 0) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((((a16 == 10 && a12 == 6) && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((a12 <= 5 && a16 == 9) && a15 == 4) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((((a12 == 9 && a18 + 156 <= 0) && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && ((0 < a18 + 156 && a18 <= 134) || !(input == 1)))) || (((((5 == a12 && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a18 <= 134)) || ((((a16 == 12 && 5 == a12) && 0 < a18 + 156) && a15 == 3) && a18 <= 134)) || (((((a12 == 9 && a16 == 8) && a15 == 4) && 87 + a18 <= 0) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((a16 == 10 && a15 == 4) && a12 == 6) && a18 <= 594508) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((a16 == 12 && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12) && a18 <= 134)) || ((((((a16 == 9 && a12 == 8) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((0 <= 87 + a18 && a16 == 8) && a15 == 3) && a18 <= 600002) || ((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) && a12 == 6)) || ((((0 <= 87 + a18 && a16 == 9) && a15 == 3) && a18 <= 600002) && 7 == a12)) || ((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && a15 == 3) && a18 <= 600002)) || (((((a16 == 9 && a15 == 4) && a12 == 8) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((a16 == 8 && a15 == 4) && a18 + 156 <= 0) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12)) || (a12 == 9 && ((((0 <= 87 + a18 && a16 == 8) && a15 == 3) && a18 <= 600002) || ((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)))) || ((((((((a12 == 9 && a18 + 292384 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a12 == 9) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((a12 == 9 && a16 == 11) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) && a16 == 9) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((a12 <= 5 && a16 == 10) && a15 == 4) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134) || ((((((a16 == 8 && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (a12 == 9 && (((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a16 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)))) || ((((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3) && a18 <= 134)) || (a16 == 9 && ((((((((a12 == 9 && a18 + 292384 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a12 == 9) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((a12 == 9 && a16 == 11) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)))) || ((((a16 == 12 && a18 / -2 + 79 <= 0) && 5 == a12) && a15 == 3) && a18 <= 600002)) || (((((0 <= 87 + a18 && a16 == 10) && a15 == 4) && a12 == 6) && a18 <= 594508) && a16 <= 11)) || ((((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((a18 <= 597816 && (((((0 <= 87 + a18 && a12 == 8) && a16 == 12) && a15 == 3) && a18 <= 600002) || (((((a12 == 8 && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134))) && a18 / -2 + 79 <= 0)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && a18 <= 134)) || ((((((a12 <= 5 && a16 == 8) && a15 == 4) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((((a16 == 11 && a12 == 8) && a18 + 156 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 6) && a18 <= 594508) && a18 / -2 + 79 <= 0) && a16 <= 11)) || (((((((a16 == 9 && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12)) || (((((((a12 <= 5 && 0 <= 87 + a18) && a16 == 10) && 598710 <= a18) && a15 == 4) && 5 == a12) && a16 <= 11) && a18 <= 600002)) || (a12 == 6 && (((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a16 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)))) || (((((a16 == 10 && a15 == 4) && a12 == 6) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((0 <= 87 + a18 && a12 == 9) && a16 == 8) && a15 == 4) && a18 <= 134)) || ((((((0 <= 87 + a18 && a12 == 8) && a16 == 12) && a15 == 3) && a18 <= 600002) || (((((a12 == 8 && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) && a18 <= 134)) || (((((a16 == 11 && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12) && a18 <= 134)) || (a15 == 4 && ((((a18 <= 597816 && a16 == 9) && a18 / -2 + 79 <= 0) && 7 == a12) || (((((((a16 == 9 && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((0 <= 87 + a18 && a16 == 9) && a12 <= 7) && a16 <= 11)) && a18 <= 134)))) || (((((((a12 <= 5 && 0 <= 87 + a18) && a16 == 8) && a15 == 4) && a18 <= 594508) && a18 / -2 + 79 <= 0) && a16 <= 11) && a18 <= 600002)) || ((((a12 == 6 && a18 <= 594508) && a16 == 12) && a18 / -2 + 79 <= 0) && a15 == 3)) || ((((a18 <= 597816 && a12 == 9) && a16 == 8) && a15 == 4) && 69093 < a18)) || ((((((((a16 == 8 && a15 == 4) && a18 + 156 <= 0) && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12)) || (((((((a16 == 8 && a15 == 4) && a18 + 292384 <= 0) && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((a16 == 10 && a12 == 8) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 <= 7) && a16 <= 11) && a18 <= 134)) || ((((0 <= 87 + a18 && a16 == 9) && 5 == a12) && a15 == 3) && a18 <= 600002)) || (((((0 <= 87 + a18 && a12 == 9) && a16 == 12) && a15 == 3) && a18 <= 600002) && ((0 < a18 + 156 && a18 <= 134) || !(input == 1)))) || ((((((a16 == 8 && a15 == 4) && a12 == 8) && 87 + a18 <= 0) && a18 + 192034 <= 0) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((((a12 == 9 && a16 == 9) && a15 == 4) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((((a16 == 10 && a12 == 6) && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((a12 == 9 && a18 + 156 <= 0) && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && ((0 < a18 + 156 && a18 <= 134) || !(input == 1)))) || (((((5 == a12 && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((((a16 == 9 && a15 == 4) && a12 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((a16 == 12 && 5 == a12) && 0 < a18 + 156) && a15 == 3) && a18 <= 134)) || (((((0 <= 87 + a18 && a12 == 9) && a16 == 11) && a16 <= 11) && a15 == 3) && a18 <= 134)) || (((((a12 == 9 && a16 == 8) && a15 == 4) && 87 + a18 <= 0) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (a18 + 156 <= 0 && ((((((((a12 == 9 && a18 + 292384 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a12 == 9) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((a12 == 9 && a16 == 11) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)))) || (((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((((a12 == 6 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((a16 == 12 && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12) && a18 <= 134)) || ((((((a16 == 9 && a12 == 8) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((0 <= 87 + a18 && a16 == 9) && a15 == 3) && a18 <= 600002) && 7 == a12)) || (((((0 <= 87 + a18 && a16 == 11) && a12 == 8) && a16 <= 11) && a15 == 3) && a18 <= 134)) || ((((((a16 == 8 && a18 + 292384 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((a12 <= 5 && a16 == 10) && a15 == 4) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134) || ((((((a16 == 8 && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (a12 == 9 && (((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a16 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)))) || ((((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3) && a18 <= 134)) || (a16 == 9 && ((((((((a12 == 9 && a18 + 292384 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a12 == 9) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((a12 == 9 && a16 == 11) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)))) || ((((a16 == 12 && a18 / -2 + 79 <= 0) && 5 == a12) && a15 == 3) && a18 <= 600002)) || (((((0 <= 87 + a18 && a16 == 10) && a15 == 4) && a12 == 6) && a18 <= 594508) && a16 <= 11)) || ((((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((a18 <= 597816 && (((((0 <= 87 + a18 && a12 == 8) && a16 == 12) && a15 == 3) && a18 <= 600002) || (((((a12 == 8 && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134))) && a18 / -2 + 79 <= 0)) || ((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 8) && a18 <= 134)) || ((((((a12 <= 5 && a16 == 8) && a15 == 4) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((((a16 == 11 && a12 == 8) && a18 + 156 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 == 6) && a18 <= 594508) && a18 / -2 + 79 <= 0) && a16 <= 11)) || (((((((a16 == 9 && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12)) || (((((((a12 <= 5 && 0 <= 87 + a18) && a16 == 10) && 598710 <= a18) && a15 == 4) && 5 == a12) && a16 <= 11) && a18 <= 600002)) || (a12 == 6 && (((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a16 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)))) || (((((a16 == 10 && a15 == 4) && a12 == 6) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((0 <= 87 + a18 && a12 == 9) && a16 == 8) && a15 == 4) && a18 <= 134)) || ((((((0 <= 87 + a18 && a12 == 8) && a16 == 12) && a15 == 3) && a18 <= 600002) || (((((a12 == 8 && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) && a18 <= 134)) || (((((a16 == 11 && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12) && a18 <= 134)) || (a15 == 4 && ((((a18 <= 597816 && a16 == 9) && a18 / -2 + 79 <= 0) && 7 == a12) || (((((((a16 == 9 && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((0 <= 87 + a18 && a16 == 9) && a12 <= 7) && a16 <= 11)) && a18 <= 134)))) || (((((((a12 <= 5 && 0 <= 87 + a18) && a16 == 8) && a15 == 4) && a18 <= 594508) && a18 / -2 + 79 <= 0) && a16 <= 11) && a18 <= 600002)) || ((((a12 == 6 && a18 <= 594508) && a16 == 12) && a18 / -2 + 79 <= 0) && a15 == 3)) || ((((a18 <= 597816 && a12 == 9) && a16 == 8) && a15 == 4) && 69093 < a18)) || ((((((((a16 == 8 && a15 == 4) && a18 + 156 <= 0) && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12)) || (((((((a16 == 8 && a15 == 4) && a18 + 292384 <= 0) && 87 + a18 <= 0) && a12 <= 7) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((a16 == 10 && a12 == 8) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((0 <= 87 + a18 && a16 == 8) && a15 == 4) && a12 <= 7) && a16 <= 11) && a18 <= 134)) || ((((0 <= 87 + a18 && a16 == 9) && 5 == a12) && a15 == 3) && a18 <= 600002)) || (((((0 <= 87 + a18 && a12 == 9) && a16 == 12) && a15 == 3) && a18 <= 600002) && ((0 < a18 + 156 && a18 <= 134) || !(input == 1)))) || ((((((a16 == 8 && a15 == 4) && a12 == 8) && 87 + a18 <= 0) && a18 + 192034 <= 0) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (((((((a12 == 9 && a16 == 9) && a15 == 4) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((((a16 == 10 && a12 == 6) && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((((a12 == 9 && a18 + 156 <= 0) && a16 == 12) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && ((0 < a18 + 156 && a18 <= 134) || !(input == 1)))) || (((((5 == a12 && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((((a16 == 9 && a15 == 4) && a12 == 8) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || ((((a16 == 12 && 5 == a12) && 0 < a18 + 156) && a15 == 3) && a18 <= 134)) || (((((0 <= 87 + a18 && a12 == 9) && a16 == 11) && a16 <= 11) && a15 == 3) && a18 <= 134)) || (((((a12 == 9 && a16 == 8) && a15 == 4) && 87 + a18 <= 0) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || (a18 + 156 <= 0 && ((((((((a12 == 9 && a18 + 292384 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) || (((((0 <= 87 + a18 && a12 == 9) && (!(a12 == 9) || !(a16 == 11))) && a16 <= 11) && a15 == 3) && a18 <= 600002)) || ((((((a12 == 9 && a16 == 11) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135)))) || (((((((a16 == 8 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((((a12 == 6 && a12 <= 6) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && a18 <= 134)) || (((((a16 == 12 && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) && 7 == a12) && a18 <= 134)) || ((((((a16 == 9 && a12 == 8) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && a18 <= 600002) && (a18 / 5 * 10 + 3616660) / -9 <= 135)) || ((((0 <= 87 + a18 && a16 == 9) && a15 == 3) && a18 <= 600002) && 7 == a12)) || (((((0 <= 87 + a18 && a16 == 11) && a12 == 8) && a16 <= 11) && a15 == 3) && a18 <= 134)) || ((((((a16 == 8 && a18 + 292384 <= 0) && 87 + a18 <= 0) && a16 <= 11) && (!(a18 % 5 == 0) || (a18 / 5 * 10 + 3616650) / -9 <= 135)) && a15 == 3) && (a18 / 5 * 10 + 3616660) / -9 <= 135) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-29 05:04:04,947 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...