./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg --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 d6090139f17d215360e170ecc95bb73008b0f6956bdca2966cee2f9efad851e4 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:52:51,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:52:51,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:52:51,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:52:51,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:52:51,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:52:51,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:52:51,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:52:51,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:52:51,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:52:51,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:52:51,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:52:51,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:52:51,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:52:51,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:52:51,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:52:51,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:52:51,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:52:51,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:52:51,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:52:51,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:52:51,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:52:51,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:52:51,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:52:51,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:52:51,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:52:51,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:52:51,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:52:51,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:52:51,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:52:51,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:52:51,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:52:51,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:52:51,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:52:51,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:52:51,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:52:51,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:52:51,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:52:51,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:52:51,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:52:51,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:52:51,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:52:51,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:52:51,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:52:51,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:52:51,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:52:51,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:52:51,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:52:51,474 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:52:51,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:52:51,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:52:51,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:52:51,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:52:51,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:52:51,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:52:51,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:52:51,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:52:51,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:52:51,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:52:51,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:52:51,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:52:51,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:52:51,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:52:51,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:52:51,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:52:51,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:52:51,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:52:51,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:52:51,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:52:51,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:52:51,480 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:52:51,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:52:51,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:52:51,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:52:51,491 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6090139f17d215360e170ecc95bb73008b0f6956bdca2966cee2f9efad851e4 [2021-10-28 08:52:51,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:52:51,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:52:51,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:52:51,764 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:52:51,770 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:52:51,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem15_label01.c [2021-10-28 08:52:51,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/data/e674815ef/e260a858bc2145a796ec9c042a4722a5/FLAG802ee760b [2021-10-28 08:52:52,595 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:52:52,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/sv-benchmarks/c/eca-rers2012/Problem15_label01.c [2021-10-28 08:52:52,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/data/e674815ef/e260a858bc2145a796ec9c042a4722a5/FLAG802ee760b [2021-10-28 08:52:52,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/data/e674815ef/e260a858bc2145a796ec9c042a4722a5 [2021-10-28 08:52:52,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:52:52,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:52:52,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:52:52,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:52:52,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:52:52,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:52:52" (1/1) ... [2021-10-28 08:52:52,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6ea030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:52, skipping insertion in model container [2021-10-28 08:52:52,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:52:52" (1/1) ... [2021-10-28 08:52:52,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:52:52,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:52:53,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/sv-benchmarks/c/eca-rers2012/Problem15_label01.c[5470,5483] [2021-10-28 08:52:53,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:52:53,764 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:52:53,787 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/sv-benchmarks/c/eca-rers2012/Problem15_label01.c[5470,5483] [2021-10-28 08:52:54,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:52:54,045 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:52:54,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54 WrapperNode [2021-10-28 08:52:54,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:52:54,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:52:54,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:52:54,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:52:54,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:52:54,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:52:54,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:52:54,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:52:54,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:52:54,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:52:54,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:52:54,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:52:54,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (1/1) ... [2021-10-28 08:52:54,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:52:54,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:52:54,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:52:54,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:52:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:52:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:52:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:52:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:52:57,820 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:52:57,822 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 08:52:57,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:57 BoogieIcfgContainer [2021-10-28 08:52:57,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:52:57,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:52:57,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:52:57,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:52:57,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:52:52" (1/3) ... [2021-10-28 08:52:57,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400a5878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:52:57, skipping insertion in model container [2021-10-28 08:52:57,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:52:54" (2/3) ... [2021-10-28 08:52:57,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400a5878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:52:57, skipping insertion in model container [2021-10-28 08:52:57,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:57" (3/3) ... [2021-10-28 08:52:57,835 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label01.c [2021-10-28 08:52:57,841 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:52:57,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:52:57,891 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:52:57,897 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-10-28 08:52:57,898 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:52:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:52:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 08:52:57,929 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:52:57,930 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] [2021-10-28 08:52:57,931 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:52:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:52:57,936 INFO L85 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2021-10-28 08:52:57,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:52:57,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400494879] [2021-10-28 08:52:57,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:52:57,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:52:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:52:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:52:58,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:52:58,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400494879] [2021-10-28 08:52:58,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400494879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:52:58,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:52:58,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:52:58,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651444483] [2021-10-28 08:52:58,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:52:58,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:52:58,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:52:58,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:52:58,226 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:01,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:01,388 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-10-28 08:53:01,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:53:01,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-10-28 08:53:01,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:01,429 INFO L225 Difference]: With dead ends: 1154 [2021-10-28 08:53:01,429 INFO L226 Difference]: Without dead ends: 665 [2021-10-28 08:53:01,439 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:01,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-10-28 08:53:01,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-10-28 08:53:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-10-28 08:53:01,574 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 44 [2021-10-28 08:53:01,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:01,575 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-10-28 08:53:01,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-10-28 08:53:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-28 08:53:01,583 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:01,584 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:01,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:53:01,584 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:01,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:01,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1760666973, now seen corresponding path program 1 times [2021-10-28 08:53:01,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:01,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861808140] [2021-10-28 08:53:01,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:01,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:01,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:01,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861808140] [2021-10-28 08:53:01,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861808140] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:53:01,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:01,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:53:01,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889229487] [2021-10-28 08:53:01,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:53:01,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:01,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:53:01,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:01,925 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:03,881 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-10-28 08:53:03,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:53:03,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2021-10-28 08:53:03,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:03,889 INFO L225 Difference]: With dead ends: 1624 [2021-10-28 08:53:03,889 INFO L226 Difference]: Without dead ends: 963 [2021-10-28 08:53:03,891 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:03,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-10-28 08:53:03,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-10-28 08:53:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-10-28 08:53:03,931 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 109 [2021-10-28 08:53:03,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:03,932 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-10-28 08:53:03,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-10-28 08:53:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-28 08:53:03,935 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:03,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:03,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:53:03,936 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:03,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:03,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1367533996, now seen corresponding path program 1 times [2021-10-28 08:53:03,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:03,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285083829] [2021-10-28 08:53:03,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:03,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:04,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:04,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285083829] [2021-10-28 08:53:04,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285083829] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:53:04,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:04,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:53:04,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536407034] [2021-10-28 08:53:04,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:53:04,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:04,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:53:04,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:04,042 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:06,084 INFO L93 Difference]: Finished difference Result 2229 states and 3186 transitions. [2021-10-28 08:53:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:53:06,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2021-10-28 08:53:06,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:06,095 INFO L225 Difference]: With dead ends: 2229 [2021-10-28 08:53:06,095 INFO L226 Difference]: Without dead ends: 1567 [2021-10-28 08:53:06,097 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2021-10-28 08:53:06,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1266. [2021-10-28 08:53:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3051383399209486) internal successors, (1651), 1265 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2021-10-28 08:53:06,134 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 114 [2021-10-28 08:53:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:06,135 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2021-10-28 08:53:06,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2021-10-28 08:53:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-28 08:53:06,138 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:06,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:06,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:53:06,138 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:06,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:06,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1300079150, now seen corresponding path program 1 times [2021-10-28 08:53:06,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:06,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038777864] [2021-10-28 08:53:06,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:06,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:06,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:06,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038777864] [2021-10-28 08:53:06,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038777864] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:53:06,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:06,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:53:06,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778937473] [2021-10-28 08:53:06,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:53:06,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:06,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:53:06,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:53:06,303 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:11,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:11,097 INFO L93 Difference]: Finished difference Result 4668 states and 6173 transitions. [2021-10-28 08:53:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:53:11,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2021-10-28 08:53:11,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:11,122 INFO L225 Difference]: With dead ends: 4668 [2021-10-28 08:53:11,123 INFO L226 Difference]: Without dead ends: 3404 [2021-10-28 08:53:11,126 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:53:11,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2021-10-28 08:53:11,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2021-10-28 08:53:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2366863905325445) internal successors, (4180), 3380 states have internal predecessors, (4180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4180 transitions. [2021-10-28 08:53:11,227 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4180 transitions. Word has length 135 [2021-10-28 08:53:11,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:11,229 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4180 transitions. [2021-10-28 08:53:11,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4180 transitions. [2021-10-28 08:53:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-10-28 08:53:11,236 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:11,237 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, 2, 2, 2, 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] [2021-10-28 08:53:11,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:53:11,237 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:11,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:11,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1749227933, now seen corresponding path program 1 times [2021-10-28 08:53:11,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:11,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663126874] [2021-10-28 08:53:11,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:11,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-28 08:53:11,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:11,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663126874] [2021-10-28 08:53:11,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663126874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:53:11,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:11,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:53:11,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118885845] [2021-10-28 08:53:11,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:53:11,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:53:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:11,456 INFO L87 Difference]: Start difference. First operand 3381 states and 4180 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:13,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:13,201 INFO L93 Difference]: Finished difference Result 8563 states and 10754 transitions. [2021-10-28 08:53:13,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:53:13,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 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 203 [2021-10-28 08:53:13,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:13,230 INFO L225 Difference]: With dead ends: 8563 [2021-10-28 08:53:13,230 INFO L226 Difference]: Without dead ends: 5483 [2021-10-28 08:53:13,235 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:13,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-10-28 08:53:13,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-10-28 08:53:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.16870549570933) internal successors, (6401), 5477 states have internal predecessors, (6401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:13,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6401 transitions. [2021-10-28 08:53:13,364 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6401 transitions. Word has length 203 [2021-10-28 08:53:13,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:13,365 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6401 transitions. [2021-10-28 08:53:13,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:13,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6401 transitions. [2021-10-28 08:53:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-10-28 08:53:13,371 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:13,371 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, 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] [2021-10-28 08:53:13,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:53:13,372 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:13,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:13,373 INFO L85 PathProgramCache]: Analyzing trace with hash -92208819, now seen corresponding path program 1 times [2021-10-28 08:53:13,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:13,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62490695] [2021-10-28 08:53:13,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:13,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 08:53:13,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:13,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62490695] [2021-10-28 08:53:13,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62490695] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:53:13,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:13,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:53:13,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964443369] [2021-10-28 08:53:13,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:53:13,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:13,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:53:13,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:13,602 INFO L87 Difference]: Start difference. First operand 5478 states and 6401 transitions. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:15,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:15,140 INFO L93 Difference]: Finished difference Result 10655 states and 12489 transitions. [2021-10-28 08:53:15,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:53:15,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 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 305 [2021-10-28 08:53:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:15,169 INFO L225 Difference]: With dead ends: 10655 [2021-10-28 08:53:15,169 INFO L226 Difference]: Without dead ends: 5478 [2021-10-28 08:53:15,176 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:15,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-10-28 08:53:15,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-10-28 08:53:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1676100054774512) internal successors, (6395), 5477 states have internal predecessors, (6395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6395 transitions. [2021-10-28 08:53:15,299 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6395 transitions. Word has length 305 [2021-10-28 08:53:15,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:15,300 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6395 transitions. [2021-10-28 08:53:15,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 2 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6395 transitions. [2021-10-28 08:53:15,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-10-28 08:53:15,308 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:15,308 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:53:15,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:53:15,309 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:15,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:15,310 INFO L85 PathProgramCache]: Analyzing trace with hash 691630654, now seen corresponding path program 1 times [2021-10-28 08:53:15,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:15,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685586209] [2021-10-28 08:53:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:15,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 08:53:15,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:15,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685586209] [2021-10-28 08:53:15,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685586209] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:53:15,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:15,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:53:15,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361424449] [2021-10-28 08:53:15,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:53:15,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:15,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:53:15,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:15,511 INFO L87 Difference]: Start difference. First operand 5478 states and 6395 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:17,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:17,622 INFO L93 Difference]: Finished difference Result 12758 states and 15193 transitions. [2021-10-28 08:53:17,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:53:17,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 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 331 [2021-10-28 08:53:17,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:17,664 INFO L225 Difference]: With dead ends: 12758 [2021-10-28 08:53:17,665 INFO L226 Difference]: Without dead ends: 7581 [2021-10-28 08:53:17,671 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:17,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7581 states. [2021-10-28 08:53:17,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7581 to 7579. [2021-10-28 08:53:17,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.1421219319081553) internal successors, (8655), 7578 states have internal predecessors, (8655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8655 transitions. [2021-10-28 08:53:17,869 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8655 transitions. Word has length 331 [2021-10-28 08:53:17,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:17,870 INFO L470 AbstractCegarLoop]: Abstraction has 7579 states and 8655 transitions. [2021-10-28 08:53:17,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:17,871 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8655 transitions. [2021-10-28 08:53:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-10-28 08:53:17,879 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:17,879 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:17,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:53:17,880 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:17,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:17,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1024558271, now seen corresponding path program 1 times [2021-10-28 08:53:17,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:17,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604696434] [2021-10-28 08:53:17,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:17,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-28 08:53:18,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:18,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604696434] [2021-10-28 08:53:18,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604696434] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:53:18,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:18,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:53:18,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627165724] [2021-10-28 08:53:18,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:53:18,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:18,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:53:18,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:18,107 INFO L87 Difference]: Start difference. First operand 7579 states and 8655 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:20,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:20,115 INFO L93 Difference]: Finished difference Result 16956 states and 19716 transitions. [2021-10-28 08:53:20,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:53:20,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 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 390 [2021-10-28 08:53:20,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:20,155 INFO L225 Difference]: With dead ends: 16956 [2021-10-28 08:53:20,155 INFO L226 Difference]: Without dead ends: 9678 [2021-10-28 08:53:20,164 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:20,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9678 states. [2021-10-28 08:53:20,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9678 to 8781. [2021-10-28 08:53:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8781 states, 8780 states have (on average 1.1329157175398634) internal successors, (9947), 8780 states have internal predecessors, (9947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:20,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 9947 transitions. [2021-10-28 08:53:20,319 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 9947 transitions. Word has length 390 [2021-10-28 08:53:20,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:20,320 INFO L470 AbstractCegarLoop]: Abstraction has 8781 states and 9947 transitions. [2021-10-28 08:53:20,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 9947 transitions. [2021-10-28 08:53:20,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2021-10-28 08:53:20,330 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:20,331 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:20,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:53:20,331 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:20,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:20,332 INFO L85 PathProgramCache]: Analyzing trace with hash -289447111, now seen corresponding path program 1 times [2021-10-28 08:53:20,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:20,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314839497] [2021-10-28 08:53:20,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:20,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 83 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:20,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:20,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314839497] [2021-10-28 08:53:20,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314839497] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:53:20,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960334755] [2021-10-28 08:53:20,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:20,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:53:20,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:20,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:53:20,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:53:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:20,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:53:20,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:53:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:22,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960334755] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:53:22,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:53:22,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 08:53:22,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124645014] [2021-10-28 08:53:22,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:53:22,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:22,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:53:22,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:53:22,086 INFO L87 Difference]: Start difference. First operand 8781 states and 9947 transitions. Second operand has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:31,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:31,301 INFO L93 Difference]: Finished difference Result 29018 states and 33373 transitions. [2021-10-28 08:53:31,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:53:31,302 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 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 391 [2021-10-28 08:53:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:31,349 INFO L225 Difference]: With dead ends: 29018 [2021-10-28 08:53:31,350 INFO L226 Difference]: Without dead ends: 20538 [2021-10-28 08:53:31,361 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:53:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20538 states. [2021-10-28 08:53:31,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20538 to 15979. [2021-10-28 08:53:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15979 states, 15978 states have (on average 1.1446363750156465) internal successors, (18289), 15978 states have internal predecessors, (18289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15979 states to 15979 states and 18289 transitions. [2021-10-28 08:53:31,679 INFO L78 Accepts]: Start accepts. Automaton has 15979 states and 18289 transitions. Word has length 391 [2021-10-28 08:53:31,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:31,680 INFO L470 AbstractCegarLoop]: Abstraction has 15979 states and 18289 transitions. [2021-10-28 08:53:31,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 15979 states and 18289 transitions. [2021-10-28 08:53:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-10-28 08:53:31,690 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:31,691 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:53:31,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:53:31,914 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:31,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:31,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1742089541, now seen corresponding path program 1 times [2021-10-28 08:53:31,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:31,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036926101] [2021-10-28 08:53:31,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:31,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:32,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:32,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036926101] [2021-10-28 08:53:32,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036926101] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:53:32,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:53:32,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:53:32,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410353027] [2021-10-28 08:53:32,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:53:32,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:32,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:53:32,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:32,255 INFO L87 Difference]: Start difference. First operand 15979 states and 18289 transitions. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:34,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:34,679 INFO L93 Difference]: Finished difference Result 34957 states and 40727 transitions. [2021-10-28 08:53:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:53:34,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 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 409 [2021-10-28 08:53:34,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:34,720 INFO L225 Difference]: With dead ends: 34957 [2021-10-28 08:53:34,720 INFO L226 Difference]: Without dead ends: 19279 [2021-10-28 08:53:34,737 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:53:34,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19279 states. [2021-10-28 08:53:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19279 to 17171. [2021-10-28 08:53:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17171 states, 17170 states have (on average 1.1408270238788585) internal successors, (19588), 17170 states have internal predecessors, (19588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17171 states to 17171 states and 19588 transitions. [2021-10-28 08:53:35,005 INFO L78 Accepts]: Start accepts. Automaton has 17171 states and 19588 transitions. Word has length 409 [2021-10-28 08:53:35,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:35,006 INFO L470 AbstractCegarLoop]: Abstraction has 17171 states and 19588 transitions. [2021-10-28 08:53:35,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 17171 states and 19588 transitions. [2021-10-28 08:53:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-10-28 08:53:35,012 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:35,012 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:35,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:53:35,013 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:35,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:35,014 INFO L85 PathProgramCache]: Analyzing trace with hash -377920542, now seen corresponding path program 1 times [2021-10-28 08:53:35,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:35,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592940170] [2021-10-28 08:53:35,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:35,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 263 proven. 39 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 08:53:35,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:35,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592940170] [2021-10-28 08:53:35,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592940170] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:53:35,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723909090] [2021-10-28 08:53:35,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:35,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:53:35,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:35,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:53:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 08:53:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:35,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:53:35,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:53:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 263 proven. 39 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 08:53:37,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723909090] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:53:37,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:53:37,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 08:53:37,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516123830] [2021-10-28 08:53:37,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:53:37,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:37,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:53:37,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:53:37,751 INFO L87 Difference]: Start difference. First operand 17171 states and 19588 transitions. Second operand has 7 states, 7 states have (on average 78.57142857142857) internal successors, (550), 6 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:43,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:43,768 INFO L93 Difference]: Finished difference Result 44610 states and 50818 transitions. [2021-10-28 08:53:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:53:43,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 78.57142857142857) internal successors, (550), 6 states have internal predecessors, (550), 0 states have call successors, (0), 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 447 [2021-10-28 08:53:43,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:43,800 INFO L225 Difference]: With dead ends: 44610 [2021-10-28 08:53:43,800 INFO L226 Difference]: Without dead ends: 21058 [2021-10-28 08:53:43,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:53:43,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21058 states. [2021-10-28 08:53:44,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21058 to 18654. [2021-10-28 08:53:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18654 states, 18653 states have (on average 1.0957486731356887) internal successors, (20439), 18653 states have internal predecessors, (20439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18654 states to 18654 states and 20439 transitions. [2021-10-28 08:53:44,152 INFO L78 Accepts]: Start accepts. Automaton has 18654 states and 20439 transitions. Word has length 447 [2021-10-28 08:53:44,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:44,152 INFO L470 AbstractCegarLoop]: Abstraction has 18654 states and 20439 transitions. [2021-10-28 08:53:44,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 78.57142857142857) internal successors, (550), 6 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 18654 states and 20439 transitions. [2021-10-28 08:53:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-10-28 08:53:44,160 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:44,162 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:44,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:44,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 08:53:44,390 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:44,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:44,391 INFO L85 PathProgramCache]: Analyzing trace with hash 319650045, now seen corresponding path program 1 times [2021-10-28 08:53:44,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:44,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061196272] [2021-10-28 08:53:44,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:44,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 42 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:44,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:44,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061196272] [2021-10-28 08:53:44,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061196272] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:53:44,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865692193] [2021-10-28 08:53:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:44,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:53:44,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:44,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:53:44,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 08:53:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:45,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:53:45,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:53:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 236 proven. 106 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 08:53:47,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865692193] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:53:47,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:53:47,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 6 [2021-10-28 08:53:47,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483560898] [2021-10-28 08:53:47,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:53:47,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:47,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:53:47,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:53:47,151 INFO L87 Difference]: Start difference. First operand 18654 states and 20439 transitions. Second operand has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:53,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:53:53,893 INFO L93 Difference]: Finished difference Result 52940 states and 57807 transitions. [2021-10-28 08:53:53,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:53:53,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 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 498 [2021-10-28 08:53:53,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:53:53,932 INFO L225 Difference]: With dead ends: 52940 [2021-10-28 08:53:53,932 INFO L226 Difference]: Without dead ends: 33690 [2021-10-28 08:53:53,948 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:53:53,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33690 states. [2021-10-28 08:53:54,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33690 to 25542. [2021-10-28 08:53:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25542 states, 25541 states have (on average 1.0989781136212364) internal successors, (28069), 25541 states have internal predecessors, (28069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:54,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25542 states to 25542 states and 28069 transitions. [2021-10-28 08:53:54,522 INFO L78 Accepts]: Start accepts. Automaton has 25542 states and 28069 transitions. Word has length 498 [2021-10-28 08:53:54,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:53:54,524 INFO L470 AbstractCegarLoop]: Abstraction has 25542 states and 28069 transitions. [2021-10-28 08:53:54,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 25542 states and 28069 transitions. [2021-10-28 08:53:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-10-28 08:53:54,530 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:53:54,531 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:53:54,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:54,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:53:54,758 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:53:54,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:54,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1407121983, now seen corresponding path program 1 times [2021-10-28 08:53:54,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:54,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025294435] [2021-10-28 08:53:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:54,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 125 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:55,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:53:55,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025294435] [2021-10-28 08:53:55,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025294435] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:53:55,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026037367] [2021-10-28 08:53:55,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:55,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:53:55,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:55,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:53:55,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 08:53:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:55,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:53:55,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:53:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 125 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:57,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026037367] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:53:57,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:53:57,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-28 08:53:57,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109368060] [2021-10-28 08:53:57,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:53:57,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:53:57,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:53:57,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:53:57,569 INFO L87 Difference]: Start difference. First operand 25542 states and 28069 transitions. Second operand has 8 states, 8 states have (on average 86.875) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:02,203 INFO L93 Difference]: Finished difference Result 58938 states and 64550 transitions. [2021-10-28 08:54:02,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:54:02,204 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 86.875) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 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 510 [2021-10-28 08:54:02,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:02,234 INFO L225 Difference]: With dead ends: 58938 [2021-10-28 08:54:02,234 INFO L226 Difference]: Without dead ends: 33099 [2021-10-28 08:54:02,247 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:54:02,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33099 states. [2021-10-28 08:54:02,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33099 to 26742. [2021-10-28 08:54:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26742 states, 26741 states have (on average 1.104147189708687) internal successors, (29526), 26741 states have internal predecessors, (29526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26742 states to 26742 states and 29526 transitions. [2021-10-28 08:54:02,710 INFO L78 Accepts]: Start accepts. Automaton has 26742 states and 29526 transitions. Word has length 510 [2021-10-28 08:54:02,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:02,711 INFO L470 AbstractCegarLoop]: Abstraction has 26742 states and 29526 transitions. [2021-10-28 08:54:02,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 86.875) internal successors, (695), 7 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 26742 states and 29526 transitions. [2021-10-28 08:54:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-10-28 08:54:02,718 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:02,719 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:02,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:02,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-28 08:54:02,946 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:02,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:02,947 INFO L85 PathProgramCache]: Analyzing trace with hash -689976301, now seen corresponding path program 1 times [2021-10-28 08:54:02,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:02,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269541167] [2021-10-28 08:54:02,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:02,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-10-28 08:54:03,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:03,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269541167] [2021-10-28 08:54:03,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269541167] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:03,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:03,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:03,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698968378] [2021-10-28 08:54:03,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:03,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:03,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:03,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:03,256 INFO L87 Difference]: Start difference. First operand 26742 states and 29526 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:05,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:05,134 INFO L93 Difference]: Finished difference Result 57707 states and 63696 transitions. [2021-10-28 08:54:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:05,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 533 [2021-10-28 08:54:05,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:05,163 INFO L225 Difference]: With dead ends: 57707 [2021-10-28 08:54:05,164 INFO L226 Difference]: Without dead ends: 30967 [2021-10-28 08:54:05,180 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:05,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30967 states. [2021-10-28 08:54:05,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30967 to 28855. [2021-10-28 08:54:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28855 states, 28854 states have (on average 1.0983225895889652) internal successors, (31691), 28854 states have internal predecessors, (31691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28855 states to 28855 states and 31691 transitions. [2021-10-28 08:54:05,551 INFO L78 Accepts]: Start accepts. Automaton has 28855 states and 31691 transitions. Word has length 533 [2021-10-28 08:54:05,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:05,551 INFO L470 AbstractCegarLoop]: Abstraction has 28855 states and 31691 transitions. [2021-10-28 08:54:05,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 28855 states and 31691 transitions. [2021-10-28 08:54:05,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-10-28 08:54:05,561 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:05,562 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:05,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 08:54:05,563 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:05,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:05,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1613984445, now seen corresponding path program 1 times [2021-10-28 08:54:05,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:05,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396419687] [2021-10-28 08:54:05,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:05,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 126 proven. 308 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-10-28 08:54:05,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:05,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396419687] [2021-10-28 08:54:05,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396419687] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:05,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894731473] [2021-10-28 08:54:05,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:05,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:05,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:05,995 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:06,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 08:54:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:06,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:54:06,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2021-10-28 08:54:07,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894731473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:07,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:54:07,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 08:54:07,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975217958] [2021-10-28 08:54:07,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:07,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:07,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:07,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:07,954 INFO L87 Difference]: Start difference. First operand 28855 states and 31691 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:09,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:09,528 INFO L93 Difference]: Finished difference Result 56498 states and 62122 transitions. [2021-10-28 08:54:09,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:09,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 598 [2021-10-28 08:54:09,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:09,552 INFO L225 Difference]: With dead ends: 56498 [2021-10-28 08:54:09,552 INFO L226 Difference]: Without dead ends: 27645 [2021-10-28 08:54:09,559 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:09,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27645 states. [2021-10-28 08:54:09,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27645 to 25249. [2021-10-28 08:54:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25249 states, 25248 states have (on average 1.0574302915082383) internal successors, (26698), 25248 states have internal predecessors, (26698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25249 states to 25249 states and 26698 transitions. [2021-10-28 08:54:09,832 INFO L78 Accepts]: Start accepts. Automaton has 25249 states and 26698 transitions. Word has length 598 [2021-10-28 08:54:09,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:09,832 INFO L470 AbstractCegarLoop]: Abstraction has 25249 states and 26698 transitions. [2021-10-28 08:54:09,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 25249 states and 26698 transitions. [2021-10-28 08:54:09,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-10-28 08:54:09,844 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:09,844 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:54:09,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:10,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-28 08:54:10,070 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:10,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:10,071 INFO L85 PathProgramCache]: Analyzing trace with hash 588763416, now seen corresponding path program 1 times [2021-10-28 08:54:10,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:10,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042346077] [2021-10-28 08:54:10,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:10,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-10-28 08:54:10,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:10,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042346077] [2021-10-28 08:54:10,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042346077] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:10,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:10,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:54:10,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238775476] [2021-10-28 08:54:10,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:54:10,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:10,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:54:10,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:54:10,374 INFO L87 Difference]: Start difference. First operand 25249 states and 26698 transitions. Second operand has 4 states, 4 states have (on average 95.25) internal successors, (381), 4 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:12,904 INFO L93 Difference]: Finished difference Result 58308 states and 61657 transitions. [2021-10-28 08:54:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:54:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 95.25) internal successors, (381), 4 states have internal predecessors, (381), 0 states have call successors, (0), 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 626 [2021-10-28 08:54:12,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:12,938 INFO L225 Difference]: With dead ends: 58308 [2021-10-28 08:54:12,938 INFO L226 Difference]: Without dead ends: 33061 [2021-10-28 08:54:12,951 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:54:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33061 states. [2021-10-28 08:54:13,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33061 to 27348. [2021-10-28 08:54:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27348 states, 27347 states have (on average 1.0592021062639412) internal successors, (28966), 27347 states have internal predecessors, (28966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27348 states to 27348 states and 28966 transitions. [2021-10-28 08:54:13,308 INFO L78 Accepts]: Start accepts. Automaton has 27348 states and 28966 transitions. Word has length 626 [2021-10-28 08:54:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:13,308 INFO L470 AbstractCegarLoop]: Abstraction has 27348 states and 28966 transitions. [2021-10-28 08:54:13,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.25) internal successors, (381), 4 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 27348 states and 28966 transitions. [2021-10-28 08:54:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2021-10-28 08:54:13,319 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:13,320 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:13,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 08:54:13,321 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:13,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:13,322 INFO L85 PathProgramCache]: Analyzing trace with hash -623330870, now seen corresponding path program 1 times [2021-10-28 08:54:13,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:13,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893613156] [2021-10-28 08:54:13,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:13,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-10-28 08:54:13,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:13,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893613156] [2021-10-28 08:54:13,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893613156] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:13,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:13,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:13,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193872795] [2021-10-28 08:54:13,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:13,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:13,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:13,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:13,662 INFO L87 Difference]: Start difference. First operand 27348 states and 28966 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:15,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:15,110 INFO L93 Difference]: Finished difference Result 58295 states and 61761 transitions. [2021-10-28 08:54:15,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:15,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 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 632 [2021-10-28 08:54:15,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:15,151 INFO L225 Difference]: With dead ends: 58295 [2021-10-28 08:54:15,151 INFO L226 Difference]: Without dead ends: 30949 [2021-10-28 08:54:15,168 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:15,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30949 states. [2021-10-28 08:54:15,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30949 to 30339. [2021-10-28 08:54:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30339 states, 30338 states have (on average 1.051783242138572) internal successors, (31909), 30338 states have internal predecessors, (31909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30339 states to 30339 states and 31909 transitions. [2021-10-28 08:54:15,645 INFO L78 Accepts]: Start accepts. Automaton has 30339 states and 31909 transitions. Word has length 632 [2021-10-28 08:54:15,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:15,646 INFO L470 AbstractCegarLoop]: Abstraction has 30339 states and 31909 transitions. [2021-10-28 08:54:15,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:15,646 INFO L276 IsEmpty]: Start isEmpty. Operand 30339 states and 31909 transitions. [2021-10-28 08:54:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2021-10-28 08:54:15,658 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:15,659 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:15,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 08:54:15,659 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:15,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:15,660 INFO L85 PathProgramCache]: Analyzing trace with hash -593093658, now seen corresponding path program 1 times [2021-10-28 08:54:15,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:15,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511839001] [2021-10-28 08:54:15,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:15,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2021-10-28 08:54:15,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:15,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511839001] [2021-10-28 08:54:15,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511839001] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:15,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:15,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:15,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805704880] [2021-10-28 08:54:15,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:15,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:15,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:15,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:15,948 INFO L87 Difference]: Start difference. First operand 30339 states and 31909 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:17,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:17,591 INFO L93 Difference]: Finished difference Result 65753 states and 69195 transitions. [2021-10-28 08:54:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:17,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 664 [2021-10-28 08:54:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:17,622 INFO L225 Difference]: With dead ends: 65753 [2021-10-28 08:54:17,622 INFO L226 Difference]: Without dead ends: 35416 [2021-10-28 08:54:17,636 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:17,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35416 states. [2021-10-28 08:54:17,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35416 to 33021. [2021-10-28 08:54:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33021 states, 33020 states have (on average 1.0441853422168383) internal successors, (34479), 33020 states have internal predecessors, (34479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33021 states to 33021 states and 34479 transitions. [2021-10-28 08:54:17,993 INFO L78 Accepts]: Start accepts. Automaton has 33021 states and 34479 transitions. Word has length 664 [2021-10-28 08:54:17,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:17,994 INFO L470 AbstractCegarLoop]: Abstraction has 33021 states and 34479 transitions. [2021-10-28 08:54:17,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 33021 states and 34479 transitions. [2021-10-28 08:54:18,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2021-10-28 08:54:18,006 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:18,006 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:18,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 08:54:18,007 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:18,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:18,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1435228887, now seen corresponding path program 1 times [2021-10-28 08:54:18,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:18,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455956670] [2021-10-28 08:54:18,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:18,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2021-10-28 08:54:18,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:18,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455956670] [2021-10-28 08:54:18,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455956670] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:18,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:18,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:18,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332047515] [2021-10-28 08:54:18,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:18,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:18,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:18,462 INFO L87 Difference]: Start difference. First operand 33021 states and 34479 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:19,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:19,840 INFO L93 Difference]: Finished difference Result 71122 states and 74228 transitions. [2021-10-28 08:54:19,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:19,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 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 684 [2021-10-28 08:54:19,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:19,878 INFO L225 Difference]: With dead ends: 71122 [2021-10-28 08:54:19,878 INFO L226 Difference]: Without dead ends: 38402 [2021-10-28 08:54:19,896 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:19,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38402 states. [2021-10-28 08:54:20,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38402 to 33020. [2021-10-28 08:54:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33020 states, 33019 states have (on average 1.043247827008692) internal successors, (34447), 33019 states have internal predecessors, (34447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33020 states to 33020 states and 34447 transitions. [2021-10-28 08:54:20,428 INFO L78 Accepts]: Start accepts. Automaton has 33020 states and 34447 transitions. Word has length 684 [2021-10-28 08:54:20,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:20,429 INFO L470 AbstractCegarLoop]: Abstraction has 33020 states and 34447 transitions. [2021-10-28 08:54:20,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 33020 states and 34447 transitions. [2021-10-28 08:54:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2021-10-28 08:54:20,441 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:20,442 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:54:20,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 08:54:20,443 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:20,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:20,443 INFO L85 PathProgramCache]: Analyzing trace with hash -749809954, now seen corresponding path program 1 times [2021-10-28 08:54:20,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:20,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381859830] [2021-10-28 08:54:20,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:20,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2021-10-28 08:54:20,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:20,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381859830] [2021-10-28 08:54:20,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381859830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:20,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:20,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:20,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848678896] [2021-10-28 08:54:20,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:20,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:20,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:20,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:20,732 INFO L87 Difference]: Start difference. First operand 33020 states and 34447 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:21,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:21,939 INFO L93 Difference]: Finished difference Result 73233 states and 76390 transitions. [2021-10-28 08:54:21,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:21,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 732 [2021-10-28 08:54:21,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:21,976 INFO L225 Difference]: With dead ends: 73233 [2021-10-28 08:54:21,976 INFO L226 Difference]: Without dead ends: 40514 [2021-10-28 08:54:21,991 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40514 states. [2021-10-28 08:54:22,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40514 to 37216. [2021-10-28 08:54:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37216 states, 37215 states have (on average 1.0371624345022168) internal successors, (38598), 37215 states have internal predecessors, (38598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37216 states to 37216 states and 38598 transitions. [2021-10-28 08:54:22,774 INFO L78 Accepts]: Start accepts. Automaton has 37216 states and 38598 transitions. Word has length 732 [2021-10-28 08:54:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:22,782 INFO L470 AbstractCegarLoop]: Abstraction has 37216 states and 38598 transitions. [2021-10-28 08:54:22,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:22,782 INFO L276 IsEmpty]: Start isEmpty. Operand 37216 states and 38598 transitions. [2021-10-28 08:54:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2021-10-28 08:54:22,798 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:22,799 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:22,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 08:54:22,799 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:22,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:22,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1624795776, now seen corresponding path program 1 times [2021-10-28 08:54:22,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:22,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865849548] [2021-10-28 08:54:22,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:22,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 610 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-10-28 08:54:23,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:23,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865849548] [2021-10-28 08:54:23,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865849548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:23,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:23,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:54:23,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157868831] [2021-10-28 08:54:23,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:54:23,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:23,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:54:23,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:23,109 INFO L87 Difference]: Start difference. First operand 37216 states and 38598 transitions. Second operand has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:26,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:26,243 INFO L93 Difference]: Finished difference Result 85253 states and 88387 transitions. [2021-10-28 08:54:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:54:26,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 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 745 [2021-10-28 08:54:26,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:26,286 INFO L225 Difference]: With dead ends: 85253 [2021-10-28 08:54:26,286 INFO L226 Difference]: Without dead ends: 48039 [2021-10-28 08:54:26,306 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:26,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48039 states. [2021-10-28 08:54:26,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48039 to 37814. [2021-10-28 08:54:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37814 states, 37813 states have (on average 1.0368127363605109) internal successors, (39205), 37813 states have internal predecessors, (39205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37814 states to 37814 states and 39205 transitions. [2021-10-28 08:54:26,919 INFO L78 Accepts]: Start accepts. Automaton has 37814 states and 39205 transitions. Word has length 745 [2021-10-28 08:54:26,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:26,919 INFO L470 AbstractCegarLoop]: Abstraction has 37814 states and 39205 transitions. [2021-10-28 08:54:26,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 37814 states and 39205 transitions. [2021-10-28 08:54:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2021-10-28 08:54:26,936 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:26,937 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:54:26,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 08:54:26,937 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:26,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:26,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1484171258, now seen corresponding path program 1 times [2021-10-28 08:54:26,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:26,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113094738] [2021-10-28 08:54:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:26,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:27,401 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2021-10-28 08:54:27,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:27,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113094738] [2021-10-28 08:54:27,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113094738] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:27,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:27,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:27,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094600282] [2021-10-28 08:54:27,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:27,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:27,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:27,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:27,404 INFO L87 Difference]: Start difference. First operand 37814 states and 39205 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:28,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:28,819 INFO L93 Difference]: Finished difference Result 78627 states and 81498 transitions. [2021-10-28 08:54:28,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:28,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 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 769 [2021-10-28 08:54:28,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:28,987 INFO L225 Difference]: With dead ends: 78627 [2021-10-28 08:54:28,987 INFO L226 Difference]: Without dead ends: 40815 [2021-10-28 08:54:28,994 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:29,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40815 states. [2021-10-28 08:54:29,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40815 to 35102. [2021-10-28 08:54:29,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35102 states, 35101 states have (on average 1.035440585738298) internal successors, (36345), 35101 states have internal predecessors, (36345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35102 states to 35102 states and 36345 transitions. [2021-10-28 08:54:29,582 INFO L78 Accepts]: Start accepts. Automaton has 35102 states and 36345 transitions. Word has length 769 [2021-10-28 08:54:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:29,583 INFO L470 AbstractCegarLoop]: Abstraction has 35102 states and 36345 transitions. [2021-10-28 08:54:29,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 35102 states and 36345 transitions. [2021-10-28 08:54:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2021-10-28 08:54:29,612 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:29,620 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-28 08:54:29,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 08:54:29,620 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:29,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:29,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1620991043, now seen corresponding path program 1 times [2021-10-28 08:54:29,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:29,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531128457] [2021-10-28 08:54:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:29,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 769 proven. 0 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2021-10-28 08:54:29,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:29,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531128457] [2021-10-28 08:54:29,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531128457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:29,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:29,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:29,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140229215] [2021-10-28 08:54:29,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:29,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:29,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:29,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:29,929 INFO L87 Difference]: Start difference. First operand 35102 states and 36345 transitions. Second operand has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:31,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:31,300 INFO L93 Difference]: Finished difference Result 70200 states and 72697 transitions. [2021-10-28 08:54:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:31,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 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 777 [2021-10-28 08:54:31,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:31,328 INFO L225 Difference]: With dead ends: 70200 [2021-10-28 08:54:31,328 INFO L226 Difference]: Without dead ends: 35399 [2021-10-28 08:54:31,342 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35399 states. [2021-10-28 08:54:31,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35399 to 35100. [2021-10-28 08:54:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35100 states, 35099 states have (on average 1.0353856235220376) internal successors, (36341), 35099 states have internal predecessors, (36341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:31,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35100 states to 35100 states and 36341 transitions. [2021-10-28 08:54:31,801 INFO L78 Accepts]: Start accepts. Automaton has 35100 states and 36341 transitions. Word has length 777 [2021-10-28 08:54:31,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:31,801 INFO L470 AbstractCegarLoop]: Abstraction has 35100 states and 36341 transitions. [2021-10-28 08:54:31,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:31,802 INFO L276 IsEmpty]: Start isEmpty. Operand 35100 states and 36341 transitions. [2021-10-28 08:54:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2021-10-28 08:54:31,812 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:31,813 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 08:54:31,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-28 08:54:31,813 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:31,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:31,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1830874439, now seen corresponding path program 1 times [2021-10-28 08:54:31,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:31,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368199697] [2021-10-28 08:54:31,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:31,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-10-28 08:54:32,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:32,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368199697] [2021-10-28 08:54:32,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368199697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:32,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:32,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:32,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793940822] [2021-10-28 08:54:32,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:32,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:32,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:32,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:32,217 INFO L87 Difference]: Start difference. First operand 35100 states and 36341 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:33,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:33,303 INFO L93 Difference]: Finished difference Result 68988 states and 71409 transitions. [2021-10-28 08:54:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:33,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 834 [2021-10-28 08:54:33,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:33,330 INFO L225 Difference]: With dead ends: 68988 [2021-10-28 08:54:33,330 INFO L226 Difference]: Without dead ends: 34189 [2021-10-28 08:54:33,345 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:33,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34189 states. [2021-10-28 08:54:33,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34189 to 33291. [2021-10-28 08:54:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33291 states, 33290 states have (on average 1.0293481525983779) internal successors, (34267), 33290 states have internal predecessors, (34267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33291 states to 33291 states and 34267 transitions. [2021-10-28 08:54:33,865 INFO L78 Accepts]: Start accepts. Automaton has 33291 states and 34267 transitions. Word has length 834 [2021-10-28 08:54:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:33,866 INFO L470 AbstractCegarLoop]: Abstraction has 33291 states and 34267 transitions. [2021-10-28 08:54:33,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 33291 states and 34267 transitions. [2021-10-28 08:54:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1024 [2021-10-28 08:54:33,893 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:33,894 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:33,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-28 08:54:33,894 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:33,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:33,895 INFO L85 PathProgramCache]: Analyzing trace with hash 38829710, now seen corresponding path program 1 times [2021-10-28 08:54:33,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:33,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112227275] [2021-10-28 08:54:33,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:33,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 1044 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2021-10-28 08:54:34,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:34,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112227275] [2021-10-28 08:54:34,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112227275] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:34,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:34,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:34,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387375637] [2021-10-28 08:54:34,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:34,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:34,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:34,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:34,374 INFO L87 Difference]: Start difference. First operand 33291 states and 34267 transitions. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:35,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:35,298 INFO L93 Difference]: Finished difference Result 53687 states and 55138 transitions. [2021-10-28 08:54:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:35,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 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 1023 [2021-10-28 08:54:35,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:35,313 INFO L225 Difference]: With dead ends: 53687 [2021-10-28 08:54:35,313 INFO L226 Difference]: Without dead ends: 20697 [2021-10-28 08:54:35,433 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20697 states. [2021-10-28 08:54:35,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20697 to 18592. [2021-10-28 08:54:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18592 states, 18591 states have (on average 1.0228605239094186) internal successors, (19016), 18591 states have internal predecessors, (19016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18592 states to 18592 states and 19016 transitions. [2021-10-28 08:54:35,588 INFO L78 Accepts]: Start accepts. Automaton has 18592 states and 19016 transitions. Word has length 1023 [2021-10-28 08:54:35,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:35,589 INFO L470 AbstractCegarLoop]: Abstraction has 18592 states and 19016 transitions. [2021-10-28 08:54:35,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:35,589 INFO L276 IsEmpty]: Start isEmpty. Operand 18592 states and 19016 transitions. [2021-10-28 08:54:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1039 [2021-10-28 08:54:35,606 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:35,607 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:35,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-28 08:54:35,608 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:35,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:35,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1599688829, now seen corresponding path program 1 times [2021-10-28 08:54:35,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:35,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828525199] [2021-10-28 08:54:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:35,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 682 proven. 0 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-10-28 08:54:36,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:36,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828525199] [2021-10-28 08:54:36,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828525199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:36,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:36,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:54:36,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295815908] [2021-10-28 08:54:36,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:54:36,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:36,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:54:36,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:54:36,138 INFO L87 Difference]: Start difference. First operand 18592 states and 19016 transitions. Second operand has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:37,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:37,705 INFO L93 Difference]: Finished difference Result 22190 states and 22709 transitions. [2021-10-28 08:54:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:54:37,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 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 1038 [2021-10-28 08:54:37,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:37,719 INFO L225 Difference]: With dead ends: 22190 [2021-10-28 08:54:37,719 INFO L226 Difference]: Without dead ends: 21889 [2021-10-28 08:54:37,723 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:54:37,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21889 states. [2021-10-28 08:54:37,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21889 to 19788. [2021-10-28 08:54:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19788 states, 19787 states have (on average 1.0234497397281044) internal successors, (20251), 19787 states have internal predecessors, (20251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19788 states to 19788 states and 20251 transitions. [2021-10-28 08:54:37,996 INFO L78 Accepts]: Start accepts. Automaton has 19788 states and 20251 transitions. Word has length 1038 [2021-10-28 08:54:37,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:37,997 INFO L470 AbstractCegarLoop]: Abstraction has 19788 states and 20251 transitions. [2021-10-28 08:54:37,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 19788 states and 20251 transitions. [2021-10-28 08:54:38,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1090 [2021-10-28 08:54:38,032 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:38,033 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-28 08:54:38,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-28 08:54:38,033 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:38,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:38,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1195491922, now seen corresponding path program 1 times [2021-10-28 08:54:38,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:38,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799874349] [2021-10-28 08:54:38,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:38,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 835 proven. 0 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2021-10-28 08:54:38,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:38,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799874349] [2021-10-28 08:54:38,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799874349] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:38,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:38,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:54:38,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466766967] [2021-10-28 08:54:38,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:54:38,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:38,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:54:38,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:54:38,605 INFO L87 Difference]: Start difference. First operand 19788 states and 20251 transitions. Second operand has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 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) [2021-10-28 08:54:40,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:40,215 INFO L93 Difference]: Finished difference Result 21891 states and 22406 transitions. [2021-10-28 08:54:40,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:54:40,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 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 1089 [2021-10-28 08:54:40,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:40,228 INFO L225 Difference]: With dead ends: 21891 [2021-10-28 08:54:40,228 INFO L226 Difference]: Without dead ends: 21590 [2021-10-28 08:54:40,230 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:54:40,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21590 states. [2021-10-28 08:54:40,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21590 to 17994. [2021-10-28 08:54:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17994 states, 17993 states have (on average 1.0230089479241928) internal successors, (18407), 17993 states have internal predecessors, (18407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17994 states to 17994 states and 18407 transitions. [2021-10-28 08:54:40,393 INFO L78 Accepts]: Start accepts. Automaton has 17994 states and 18407 transitions. Word has length 1089 [2021-10-28 08:54:40,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:40,394 INFO L470 AbstractCegarLoop]: Abstraction has 17994 states and 18407 transitions. [2021-10-28 08:54:40,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.5) internal successors, (514), 4 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) [2021-10-28 08:54:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 17994 states and 18407 transitions. [2021-10-28 08:54:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1297 [2021-10-28 08:54:40,412 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:40,413 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:40,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-28 08:54:40,413 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:40,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:40,414 INFO L85 PathProgramCache]: Analyzing trace with hash -417495319, now seen corresponding path program 1 times [2021-10-28 08:54:40,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:40,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657570290] [2021-10-28 08:54:40,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:40,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3018 backedges. 2070 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2021-10-28 08:54:40,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:40,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657570290] [2021-10-28 08:54:40,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657570290] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:40,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:40,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:40,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817489099] [2021-10-28 08:54:40,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:40,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:40,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:40,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:40,918 INFO L87 Difference]: Start difference. First operand 17994 states and 18407 transitions. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:41,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:41,805 INFO L93 Difference]: Finished difference Result 38973 states and 39871 transitions. [2021-10-28 08:54:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:54:41,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 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 1296 [2021-10-28 08:54:41,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:41,820 INFO L225 Difference]: With dead ends: 38973 [2021-10-28 08:54:41,820 INFO L226 Difference]: Without dead ends: 21280 [2021-10-28 08:54:41,827 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:41,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21280 states. [2021-10-28 08:54:41,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21280 to 16197. [2021-10-28 08:54:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16197 states, 16196 states have (on average 1.0192022721659668) internal successors, (16507), 16196 states have internal predecessors, (16507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16197 states to 16197 states and 16507 transitions. [2021-10-28 08:54:41,989 INFO L78 Accepts]: Start accepts. Automaton has 16197 states and 16507 transitions. Word has length 1296 [2021-10-28 08:54:41,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:41,989 INFO L470 AbstractCegarLoop]: Abstraction has 16197 states and 16507 transitions. [2021-10-28 08:54:41,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:41,990 INFO L276 IsEmpty]: Start isEmpty. Operand 16197 states and 16507 transitions. [2021-10-28 08:54:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1309 [2021-10-28 08:54:42,098 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:42,099 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:42,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-28 08:54:42,099 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:42,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:42,100 INFO L85 PathProgramCache]: Analyzing trace with hash -865096868, now seen corresponding path program 1 times [2021-10-28 08:54:42,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:42,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152246318] [2021-10-28 08:54:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:42,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1843 proven. 329 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-10-28 08:54:42,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:42,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152246318] [2021-10-28 08:54:42,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152246318] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:42,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349101019] [2021-10-28 08:54:42,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:42,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:42,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:42,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:42,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 08:54:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:43,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1508 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:54:43,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 1663 proven. 42 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-10-28 08:54:46,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349101019] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:46,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:54:46,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-10-28 08:54:46,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146560502] [2021-10-28 08:54:46,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 08:54:46,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:46,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 08:54:46,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:54:46,912 INFO L87 Difference]: Start difference. First operand 16197 states and 16507 transitions. Second operand has 9 states, 9 states have (on average 130.11111111111111) internal successors, (1171), 9 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:50,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:50,067 INFO L93 Difference]: Finished difference Result 39897 states and 40651 transitions. [2021-10-28 08:54:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:54:50,067 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 130.11111111111111) internal successors, (1171), 9 states have internal predecessors, (1171), 0 states have call successors, (0), 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 1308 [2021-10-28 08:54:50,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:50,080 INFO L225 Difference]: With dead ends: 39897 [2021-10-28 08:54:50,080 INFO L226 Difference]: Without dead ends: 23702 [2021-10-28 08:54:50,085 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1313 GetRequests, 1306 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:54:50,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23702 states. [2021-10-28 08:54:50,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23702 to 15900. [2021-10-28 08:54:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15900 states, 15899 states have (on average 1.0189949053399585) internal successors, (16201), 15899 states have internal predecessors, (16201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15900 states to 15900 states and 16201 transitions. [2021-10-28 08:54:50,251 INFO L78 Accepts]: Start accepts. Automaton has 15900 states and 16201 transitions. Word has length 1308 [2021-10-28 08:54:50,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:50,252 INFO L470 AbstractCegarLoop]: Abstraction has 15900 states and 16201 transitions. [2021-10-28 08:54:50,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 130.11111111111111) internal successors, (1171), 9 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:50,253 INFO L276 IsEmpty]: Start isEmpty. Operand 15900 states and 16201 transitions. [2021-10-28 08:54:50,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1360 [2021-10-28 08:54:50,270 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:50,271 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:50,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:50,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-28 08:54:50,472 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:50,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:50,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2081669835, now seen corresponding path program 1 times [2021-10-28 08:54:50,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:50,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221894161] [2021-10-28 08:54:50,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:50,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 2047 proven. 354 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2021-10-28 08:54:51,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:51,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221894161] [2021-10-28 08:54:51,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221894161] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:51,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356582924] [2021-10-28 08:54:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:51,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:51,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:51,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:51,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 08:54:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:52,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1559 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:54:52,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3132 backedges. 1892 proven. 42 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-10-28 08:54:55,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356582924] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:55,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:54:55,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-10-28 08:54:55,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576270072] [2021-10-28 08:54:55,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 08:54:55,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:55,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 08:54:55,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:54:55,915 INFO L87 Difference]: Start difference. First operand 15900 states and 16201 transitions. Second operand has 9 states, 9 states have (on average 141.44444444444446) internal successors, (1273), 9 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:58,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:58,798 INFO L93 Difference]: Finished difference Result 23702 states and 24136 transitions. [2021-10-28 08:54:58,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:54:58,799 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 141.44444444444446) internal successors, (1273), 9 states have internal predecessors, (1273), 0 states have call successors, (0), 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 1359 [2021-10-28 08:54:58,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:54:58,820 INFO L225 Difference]: With dead ends: 23702 [2021-10-28 08:54:58,820 INFO L226 Difference]: Without dead ends: 23401 [2021-10-28 08:54:58,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1364 GetRequests, 1357 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:54:58,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23401 states. [2021-10-28 08:54:59,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23401 to 15302. [2021-10-28 08:54:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15302 states, 15301 states have (on average 1.0188876544016732) internal successors, (15590), 15301 states have internal predecessors, (15590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15302 states to 15302 states and 15590 transitions. [2021-10-28 08:54:59,033 INFO L78 Accepts]: Start accepts. Automaton has 15302 states and 15590 transitions. Word has length 1359 [2021-10-28 08:54:59,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:54:59,034 INFO L470 AbstractCegarLoop]: Abstraction has 15302 states and 15590 transitions. [2021-10-28 08:54:59,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 141.44444444444446) internal successors, (1273), 9 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 15302 states and 15590 transitions. [2021-10-28 08:54:59,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2021-10-28 08:54:59,056 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:54:59,057 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-28 08:54:59,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-28 08:54:59,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:59,257 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:54:59,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:59,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1264302932, now seen corresponding path program 1 times [2021-10-28 08:54:59,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:59,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601001146] [2021-10-28 08:54:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:59,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4112 backedges. 2657 proven. 0 refuted. 0 times theorem prover too weak. 1455 trivial. 0 not checked. [2021-10-28 08:54:59,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:59,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601001146] [2021-10-28 08:54:59,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601001146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:59,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:59,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:54:59,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369893711] [2021-10-28 08:54:59,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:54:59,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:59,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:54:59,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:54:59,894 INFO L87 Difference]: Start difference. First operand 15302 states and 15590 transitions. Second operand has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:55:00,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:55:00,745 INFO L93 Difference]: Finished difference Result 29399 states and 29965 transitions. [2021-10-28 08:55:00,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:55:00,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 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 1530 [2021-10-28 08:55:00,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:55:00,747 INFO L225 Difference]: With dead ends: 29399 [2021-10-28 08:55:00,747 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:55:00,754 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:55:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:55:00,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:55:00,755 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) [2021-10-28 08:55:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:55:00,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1530 [2021-10-28 08:55:00,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:55:00,755 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:55:00,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:55:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:55:00,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:55:00,758 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:55:00,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-28 08:55:00,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:55:00,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:55:00,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:55:02,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:55:03,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:55:17,213 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,213 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,214 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,214 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,214 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,214 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,214 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-10-28 08:55:17,214 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-10-28 08:55:17,214 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,215 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,215 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,215 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-28 08:55:17,215 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,215 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,215 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,216 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,216 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,216 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-28 08:55:17,216 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,216 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,216 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 08:55:17,216 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-10-28 08:55:17,217 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,217 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,217 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,217 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,217 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-28 08:55:17,217 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,217 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 08:55:17,217 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,218 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,219 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,220 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,221 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-28 08:55:17,222 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-28 08:55:17,223 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-10-28 08:55:17,224 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,225 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-28 08:55:17,225 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-10-28 08:55:17,225 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-10-28 08:55:17,225 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,225 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-10-28 08:55:17,225 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-10-28 08:55:17,225 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,226 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,226 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,226 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,226 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-28 08:55:17,226 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,226 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,226 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,227 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,227 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 08:55:17,227 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-10-28 08:55:17,227 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,227 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-28 08:55:17,227 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,227 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,228 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,228 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,228 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,228 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,228 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-28 08:55:17,228 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,228 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,229 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,229 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,229 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,229 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,229 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,229 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-28 08:55:17,229 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,230 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,230 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,230 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,230 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,230 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-28 08:55:17,230 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,230 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,231 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,231 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,231 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,231 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,231 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,231 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:55:17,231 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,232 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-10-28 08:55:17,232 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-10-28 08:55:17,232 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,232 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,232 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-28 08:55:17,232 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,232 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,233 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,233 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,233 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,233 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 08:55:17,233 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,233 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,233 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,234 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,234 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,234 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-28 08:55:17,234 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,234 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,234 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,234 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,235 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-28 08:55:17,235 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-28 08:55:17,235 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,235 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,235 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,235 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,235 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,236 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 08:55:17,236 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-10-28 08:55:17,236 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,236 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-28 08:55:17,236 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-28 08:55:17,236 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,236 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,237 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,237 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,237 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,237 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-10-28 08:55:17,237 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-10-28 08:55:17,237 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 08:55:17,237 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-10-28 08:55:17,238 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,238 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,238 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,238 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-28 08:55:17,238 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-28 08:55:17,238 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,239 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,239 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,239 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,239 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,239 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,239 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-10-28 08:55:17,239 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-10-28 08:55:17,239 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-28 08:55:17,240 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,240 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-28 08:55:17,240 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,240 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,240 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,240 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,240 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,241 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,241 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,241 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,241 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-28 08:55:17,241 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-28 08:55:17,241 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-10-28 08:55:17,241 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-10-28 08:55:17,242 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,242 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,242 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,242 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,243 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse28 (+ ~a0~0 147)) (.cse27 (+ ~a29~0 127))) (let ((.cse17 (<= 0 (+ 97 ~a0~0))) (.cse13 (= ~a2~0 4)) (.cse19 (<= (+ ~a0~0 150) 0)) (.cse15 (<= (+ ~a29~0 16) 0)) (.cse22 (<= .cse27 0)) (.cse12 (<= .cse28 0)) (.cse7 (<= ~a29~0 599999)) (.cse11 (<= ~a29~0 599998)) (.cse0 (<= ~a29~0 4455)) (.cse21 (<= ~a29~0 41)) (.cse1 (= 2 ~a2~0)) (.cse3 (< 0 .cse26)) (.cse23 (< 0 .cse28)) (.cse18 (= ~a2~0 1)) (.cse4 (< 43 ~a29~0)) (.cse16 (<= (+ ~a0~0 61) 0)) (.cse25 (<= 44 ~a29~0)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= ~a29~0 96178)) (.cse8 (<= 0 .cse27)) (.cse9 (<= 5 ~a2~0)) (.cse24 (<= ~a29~0 135549)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse20 (= 3 ~a2~0)) (.cse14 (<= ~a29~0 43))) (or (and .cse0 .cse1 .cse2 (<= (+ ~a29~0 153400) 0)) (and .cse3 .cse4 .cse5 .cse1 .cse6 .cse7) (and (or (and .cse5 .cse8 .cse9 .cse10) (and .cse3 .cse5 .cse9 .cse11)) .cse12) (and .cse2 .cse13 .cse14) (and .cse2 .cse15 .cse16) (and .cse17 .cse5 .cse18 .cse15 .cse16) (and .cse5 (or (and (<= (+ 19 ~a29~0) 0) .cse19 .cse13) (and .cse3 .cse19 .cse13 .cse15))) (and .cse17 .cse2 .cse16) (and .cse3 .cse5 .cse19 .cse7 .cse20) (and .cse3 .cse21 .cse5 .cse8 .cse18) (and .cse1 .cse2 (<= 0 (+ 44 ~a0~0)) .cse22) (and .cse4 .cse5 .cse18 .cse19 .cse11) (and .cse23 .cse5 (<= (+ ~a29~0 56603) 0) .cse18 .cse16) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse13) (and .cse21 .cse2 .cse20) (and .cse21 .cse8 .cse2 .cse9 .cse10) (and .cse4 .cse1 .cse2 .cse11) (and .cse3 .cse5 .cse18 .cse19 .cse15) (and .cse2 .cse18 .cse22) (and .cse3 .cse5 .cse1 .cse12 (<= ~a29~0 533365)) (and .cse3 .cse23 .cse5 .cse6 .cse18 .cse7) (and .cse23 .cse24 .cse5 .cse6 .cse20) (and .cse4 .cse1 .cse6 .cse11) (and .cse25 .cse2 .cse11 .cse20) (and .cse3 .cse23 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse8 .cse2) (and .cse3 .cse21 .cse5 .cse1 .cse8 .cse6) (and .cse3 .cse23 .cse5 (<= ~a29~0 254659) .cse6 .cse20) (and .cse18 (<= .cse26 0) (<= (+ ~a29~0 401505) 0) .cse16) (and .cse4 .cse2 .cse16) (and .cse25 .cse8 .cse2 .cse9 .cse10) (and .cse5 .cse8 .cse6 .cse9 .cse14) (and .cse24 .cse5 .cse6 .cse20 .cse14)))) [2021-10-28 08:55:17,243 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-28 08:55:17,243 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-28 08:55:17,243 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,243 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,243 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,244 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,244 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,244 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,244 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,244 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 08:55:17,244 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,244 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-10-28 08:55:17,245 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-10-28 08:55:17,245 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,245 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-10-28 08:55:17,245 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-10-28 08:55:17,245 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-28 08:55:17,245 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-28 08:55:17,245 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,246 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,246 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,246 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,246 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,246 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-28 08:55:17,246 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-28 08:55:17,246 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,247 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-10-28 08:55:17,247 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-10-28 08:55:17,247 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,247 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,247 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:55:17,247 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,247 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,248 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,248 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,248 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse9 (+ ~a4~0 86)) (.cse28 (+ ~a0~0 147)) (.cse27 (+ ~a29~0 127))) (let ((.cse19 (<= 0 (+ 97 ~a0~0))) (.cse15 (= ~a2~0 4)) (.cse20 (<= (+ ~a0~0 150) 0)) (.cse17 (<= (+ ~a29~0 16) 0)) (.cse23 (<= .cse27 0)) (.cse14 (<= .cse28 0)) (.cse8 (= ~a2~0 1)) (.cse7 (<= ~a29~0 599999)) (.cse13 (<= ~a29~0 599998)) (.cse0 (<= ~a29~0 4455)) (.cse22 (<= ~a29~0 41)) (.cse1 (= 2 ~a2~0)) (.cse3 (< 0 .cse9)) (.cse24 (< 0 .cse28)) (.cse4 (< 43 ~a29~0)) (.cse18 (<= (+ ~a0~0 61) 0)) (.cse26 (<= 44 ~a29~0)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse12 (<= ~a29~0 96178)) (.cse10 (<= 0 .cse27)) (.cse11 (<= 5 ~a2~0)) (.cse25 (<= ~a29~0 135549)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse21 (= 3 ~a2~0)) (.cse16 (<= ~a29~0 43))) (or (and .cse0 .cse1 .cse2 (<= (+ ~a29~0 153400) 0)) (and .cse3 .cse4 .cse5 .cse1 .cse6 .cse7) (and .cse8 (<= .cse9 0) (<= (+ ~a29~0 401505) 0)) (and (or (and .cse5 .cse10 .cse11 .cse12) (and .cse3 .cse5 .cse11 .cse13)) .cse14) (and .cse2 .cse15 .cse16) (and .cse2 .cse17 .cse18) (and .cse19 .cse5 .cse8 .cse17 .cse18) (and .cse5 (or (and (<= (+ 19 ~a29~0) 0) .cse20 .cse15) (and .cse3 .cse20 .cse15 .cse17))) (and .cse19 .cse2 .cse18) (and .cse3 .cse5 .cse20 .cse7 .cse21) (and .cse3 .cse22 .cse5 .cse10 .cse8) (and .cse1 .cse2 (<= 0 (+ 44 ~a0~0)) .cse23) (and .cse4 .cse5 .cse8 .cse20 .cse13) (and .cse24 .cse5 (<= (+ ~a29~0 56603) 0) .cse8 .cse18) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse15) (and .cse22 .cse2 .cse21) (and .cse22 .cse10 .cse2 .cse11 .cse12) (and .cse4 .cse1 .cse2 .cse13) (and .cse3 .cse5 .cse8 .cse20 .cse17) (and .cse2 .cse8 .cse23) (and .cse3 .cse5 .cse1 .cse14 (<= ~a29~0 533365)) (and .cse3 .cse24 .cse5 .cse6 .cse8 .cse7) (and .cse24 .cse25 .cse5 .cse6 .cse21) (and .cse4 .cse1 .cse6 .cse13) (and .cse26 .cse2 .cse13 .cse21) (and .cse3 .cse24 .cse5 .cse6 .cse11) (and .cse0 .cse1 .cse10 .cse2) (and .cse3 .cse22 .cse5 .cse1 .cse10 .cse6) (and .cse3 .cse24 .cse5 (<= ~a29~0 254659) .cse6 .cse21) (and .cse4 .cse2 .cse18) (and .cse26 .cse10 .cse2 .cse11 .cse12) (and .cse5 .cse10 .cse6 .cse11 .cse16) (and .cse25 .cse5 .cse6 .cse21 .cse16)))) [2021-10-28 08:55:17,248 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,248 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-28 08:55:17,249 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-28 08:55:17,249 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,249 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,249 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,249 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,249 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,249 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,250 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-28 08:55:17,250 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-28 08:55:17,250 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,250 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,250 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-10-28 08:55:17,250 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,250 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,251 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,251 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,251 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,251 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,251 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-28 08:55:17,251 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-28 08:55:17,251 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,252 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,252 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,252 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,252 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,252 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,252 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-28 08:55:17,252 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,253 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-28 08:55:17,253 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,253 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,253 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,253 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,253 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,253 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,254 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,254 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-28 08:55:17,254 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-28 08:55:17,254 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,254 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,254 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,254 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,255 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,255 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,255 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,255 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-28 08:55:17,255 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-28 08:55:17,255 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,255 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,256 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,256 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,256 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,256 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,256 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,256 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-10-28 08:55:17,257 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-10-28 08:55:17,257 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,257 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-28 08:55:17,257 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-28 08:55:17,257 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,257 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,257 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,257 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,258 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,258 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,258 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse9 (+ ~a4~0 86)) (.cse28 (+ ~a0~0 147)) (.cse27 (+ ~a29~0 127))) (let ((.cse19 (<= 0 (+ 97 ~a0~0))) (.cse15 (= ~a2~0 4)) (.cse20 (<= (+ ~a0~0 150) 0)) (.cse17 (<= (+ ~a29~0 16) 0)) (.cse23 (<= .cse27 0)) (.cse14 (<= .cse28 0)) (.cse8 (= ~a2~0 1)) (.cse7 (<= ~a29~0 599999)) (.cse13 (<= ~a29~0 599998)) (.cse0 (<= ~a29~0 4455)) (.cse22 (<= ~a29~0 41)) (.cse1 (= 2 ~a2~0)) (.cse3 (< 0 .cse9)) (.cse24 (< 0 .cse28)) (.cse4 (< 43 ~a29~0)) (.cse18 (<= (+ ~a0~0 61) 0)) (.cse26 (<= 44 ~a29~0)) (.cse2 (<= (+ 89 ~a4~0) 0)) (.cse12 (<= ~a29~0 96178)) (.cse10 (<= 0 .cse27)) (.cse11 (<= 5 ~a2~0)) (.cse25 (<= ~a29~0 135549)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse6 (<= (+ 98 ~a0~0) 0)) (.cse21 (= 3 ~a2~0)) (.cse16 (<= ~a29~0 43))) (or (and .cse0 .cse1 .cse2 (<= (+ ~a29~0 153400) 0)) (and .cse3 .cse4 .cse5 .cse1 .cse6 .cse7) (and .cse8 (<= .cse9 0) (<= (+ ~a29~0 401505) 0)) (and (or (and .cse5 .cse10 .cse11 .cse12) (and .cse3 .cse5 .cse11 .cse13)) .cse14) (and .cse2 .cse15 .cse16) (and .cse2 .cse17 .cse18) (and .cse19 .cse5 .cse8 .cse17 .cse18) (and .cse5 (or (and (<= (+ 19 ~a29~0) 0) .cse20 .cse15) (and .cse3 .cse20 .cse15 .cse17))) (and .cse19 .cse2 .cse18) (and .cse3 .cse5 .cse20 .cse7 .cse21) (and .cse3 .cse22 .cse5 .cse10 .cse8) (and .cse1 .cse2 (<= 0 (+ 44 ~a0~0)) .cse23) (and .cse4 .cse5 .cse8 .cse20 .cse13) (and .cse24 .cse5 (<= (+ ~a29~0 56603) 0) .cse8 .cse18) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse15) (and .cse22 .cse2 .cse21) (and .cse22 .cse10 .cse2 .cse11 .cse12) (and .cse4 .cse1 .cse2 .cse13) (and .cse3 .cse5 .cse8 .cse20 .cse17) (and .cse2 .cse8 .cse23) (and .cse3 .cse5 .cse1 .cse14 (<= ~a29~0 533365)) (and .cse3 .cse24 .cse5 .cse6 .cse8 .cse7) (and .cse24 .cse25 .cse5 .cse6 .cse21) (and .cse4 .cse1 .cse6 .cse13) (and .cse26 .cse2 .cse13 .cse21) (and .cse3 .cse24 .cse5 .cse6 .cse11) (and .cse0 .cse1 .cse10 .cse2) (and .cse3 .cse22 .cse5 .cse1 .cse10 .cse6) (and .cse3 .cse24 .cse5 (<= ~a29~0 254659) .cse6 .cse21) (and .cse4 .cse2 .cse18) (and .cse26 .cse10 .cse2 .cse11 .cse12) (and .cse5 .cse10 .cse6 .cse11 .cse16) (and .cse25 .cse5 .cse6 .cse21 .cse16)))) [2021-10-28 08:55:17,258 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-28 08:55:17,258 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-28 08:55:17,259 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,259 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,259 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,259 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,259 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,259 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,259 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,260 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,260 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 08:55:17,260 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-28 08:55:17,260 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,260 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 08:55:17,260 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-10-28 08:55:17,260 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,261 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,261 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,261 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,261 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,261 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,261 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:55:17,261 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-28 08:55:17,262 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,262 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,262 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,262 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,262 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-10-28 08:55:17,262 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-10-28 08:55:17,262 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 08:55:17,263 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,263 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-10-28 08:55:17,263 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-28 08:55:17,263 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,263 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,263 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,263 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,264 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,264 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,264 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,264 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 08:55:17,264 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,264 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,264 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,264 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,265 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-28 08:55:17,265 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,265 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,265 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-10-28 08:55:17,265 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,265 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,265 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,266 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,266 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,266 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,266 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,266 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-10-28 08:55:17,266 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-10-28 08:55:17,266 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,267 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-28 08:55:17,267 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,267 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-10-28 08:55:17,267 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,267 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 08:55:17,267 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-10-28 08:55:17,271 INFO L731 BasicCegarLoop]: Path program 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] [2021-10-28 08:55:17,272 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:55:17,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:55:17 BoogieIcfgContainer [2021-10-28 08:55:17,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:55:17,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:55:17,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:55:17,319 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:55:17,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:52:57" (3/4) ... [2021-10-28 08:55:17,322 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:55:17,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 08:55:17,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:55:17,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:55:17,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:55:17,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:55:17,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:55:17,591 INFO L168 Benchmark]: Toolchain (without parser) took 144844.20 ms. Allocated memory was 104.9 MB in the beginning and 7.5 GB in the end (delta: 7.4 GB). Free memory was 65.5 MB in the beginning and 6.1 GB in the end (delta: -6.0 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2021-10-28 08:55:17,592 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 104.9 MB. Free memory was 76.3 MB in the beginning and 76.2 MB in the end (delta: 64.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:55:17,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1297.36 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 65.3 MB in the beginning and 85.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:55:17,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 260.73 ms. Allocated memory is still 134.2 MB. Free memory was 85.7 MB in the beginning and 77.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 52.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:55:17,596 INFO L168 Benchmark]: Boogie Preprocessor took 322.08 ms. Allocated memory was 134.2 MB in the beginning and 230.7 MB in the end (delta: 96.5 MB). Free memory was 77.2 MB in the beginning and 164.2 MB in the end (delta: -87.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:55:17,596 INFO L168 Benchmark]: RCFGBuilder took 3195.09 ms. Allocated memory is still 230.7 MB. Free memory was 163.9 MB in the beginning and 144.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 79.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:55:17,596 INFO L168 Benchmark]: TraceAbstraction took 139489.80 ms. Allocated memory was 230.7 MB in the beginning and 7.5 GB in the end (delta: 7.3 GB). Free memory was 144.4 MB in the beginning and 6.2 GB in the end (delta: -6.0 GB). Peak memory consumption was 5.6 GB. Max. memory is 16.1 GB. [2021-10-28 08:55:17,597 INFO L168 Benchmark]: Witness Printer took 271.22 ms. Allocated memory is still 7.5 GB. Free memory was 6.2 GB in the beginning and 6.1 GB in the end (delta: 42.4 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:55:17,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 104.9 MB. Free memory was 76.3 MB in the beginning and 76.2 MB in the end (delta: 64.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1297.36 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 65.3 MB in the beginning and 85.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 260.73 ms. Allocated memory is still 134.2 MB. Free memory was 85.7 MB in the beginning and 77.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 52.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 322.08 ms. Allocated memory was 134.2 MB in the beginning and 230.7 MB in the end (delta: 96.5 MB). Free memory was 77.2 MB in the beginning and 164.2 MB in the end (delta: -87.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3195.09 ms. Allocated memory is still 230.7 MB. Free memory was 163.9 MB in the beginning and 144.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 79.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 139489.80 ms. Allocated memory was 230.7 MB in the beginning and 7.5 GB in the end (delta: 7.3 GB). Free memory was 144.4 MB in the beginning and 6.2 GB in the end (delta: -6.0 GB). Peak memory consumption was 5.6 GB. Max. memory is 16.1 GB. * Witness Printer took 271.22 ms. Allocated memory is still 7.5 GB. Free memory was 6.2 GB in the beginning and 6.1 GB in the end (delta: 42.4 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 149]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 139.3s, OverallIterations: 31, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 80.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7879 SDtfs, 17226 SDslu, 1808 SDs, 0 SdLazy, 53372 SolverSat, 7344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5216 GetRequests, 5143 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37814occurred in iteration=21, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.3s AutomataMinimizationTime, 31 MinimizatonAttempts, 92633 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 262 NumberOfFragments, 2091 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1496269 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2238562 FormulaSimplificationTreeSizeReductionInter, 11.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 21.6s InterpolantComputationTime, 25234 NumberOfCodeBlocks, 25234 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 25196 ConstructedInterpolants, 0 QuantifiedInterpolants, 64004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 6182 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 38 InterpolantComputations, 25 PerfectInterpolantSequences, 34497/36827 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a29 <= 4455 && 2 == a2) && 89 + a4 <= 0) && a29 + 153400 <= 0) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 <= 599999)) || (((((42 + a4 <= 0 && 0 <= a29 + 127) && 5 <= a2) && a29 <= 96178) || (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 599998)) && a0 + 147 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((89 + a4 <= 0 && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (42 + a4 <= 0 && (((19 + a29 <= 0 && a0 + 150 <= 0) && a2 == 4) || (((0 < a4 + 86 && a0 + 150 <= 0) && a2 == 4) && a29 + 16 <= 0)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 150 <= 0) && a29 <= 599999) && 3 == a2)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || (((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 <= 599998)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 56603 <= 0) && a2 == 1) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 599999) && a2 == 4)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || ((((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((43 < a29 && 2 == a2) && 89 + a4 <= 0) && a29 <= 599998)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 + 16 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && a29 <= 533365)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 <= 599999)) || ((((0 < a0 + 147 && a29 <= 135549) && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 <= 599998)) || (((44 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && 3 == a2)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2)) || (((a29 <= 4455 && 2 == a2) && 0 <= a29 + 127) && 89 + a4 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && a29 <= 254659) && 98 + a0 <= 0) && 3 == a2)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((44 <= a29 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((42 + a4 <= 0 && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 43)) || ((((a29 <= 135549 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2) && a29 <= 43) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a29 <= 4455 && 2 == a2) && 89 + a4 <= 0) && a29 + 153400 <= 0) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 <= 599999)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || (((((42 + a4 <= 0 && 0 <= a29 + 127) && 5 <= a2) && a29 <= 96178) || (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 599998)) && a0 + 147 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((89 + a4 <= 0 && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (42 + a4 <= 0 && (((19 + a29 <= 0 && a0 + 150 <= 0) && a2 == 4) || (((0 < a4 + 86 && a0 + 150 <= 0) && a2 == 4) && a29 + 16 <= 0)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 150 <= 0) && a29 <= 599999) && 3 == a2)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || (((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 <= 599998)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 56603 <= 0) && a2 == 1) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 599999) && a2 == 4)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || ((((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((43 < a29 && 2 == a2) && 89 + a4 <= 0) && a29 <= 599998)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 + 16 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && a29 <= 533365)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 <= 599999)) || ((((0 < a0 + 147 && a29 <= 135549) && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 <= 599998)) || (((44 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && 3 == a2)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2)) || (((a29 <= 4455 && 2 == a2) && 0 <= a29 + 127) && 89 + a4 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && a29 <= 254659) && 98 + a0 <= 0) && 3 == a2)) || ((43 < a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((44 <= a29 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((42 + a4 <= 0 && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 43)) || ((((a29 <= 135549 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2) && a29 <= 43) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a29 <= 4455 && 2 == a2) && 89 + a4 <= 0) && a29 + 153400 <= 0) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 <= 599999)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 401505 <= 0)) || (((((42 + a4 <= 0 && 0 <= a29 + 127) && 5 <= a2) && a29 <= 96178) || (((0 < a4 + 86 && 42 + a4 <= 0) && 5 <= a2) && a29 <= 599998)) && a0 + 147 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || ((89 + a4 <= 0 && a29 + 16 <= 0) && a0 + 61 <= 0)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && a2 == 1) && a29 + 16 <= 0) && a0 + 61 <= 0)) || (42 + a4 <= 0 && (((19 + a29 <= 0 && a0 + 150 <= 0) && a2 == 4) || (((0 < a4 + 86 && a0 + 150 <= 0) && a2 == 4) && a29 + 16 <= 0)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 150 <= 0) && a29 <= 599999) && 3 == a2)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 127) && a2 == 1)) || (((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 <= 599998)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && a29 + 56603 <= 0) && a2 == 1) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 599999) && a2 == 4)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || ((((a29 <= 41 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || (((43 < a29 && 2 == a2) && 89 + a4 <= 0) && a29 <= 599998)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 150 <= 0) && a29 + 16 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && a29 <= 533365)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 <= 599999)) || ((((0 < a0 + 147 && a29 <= 135549) && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a29 <= 599998)) || (((44 <= a29 && 89 + a4 <= 0) && a29 <= 599998) && 3 == a2)) || ((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2)) || (((a29 <= 4455 && 2 == a2) && 0 <= a29 + 127) && 89 + a4 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 127) && 98 + a0 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && a29 <= 254659) && 98 + a0 <= 0) && 3 == a2)) || ((43 < a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((44 <= a29 && 0 <= a29 + 127) && 89 + a4 <= 0) && 5 <= a2) && a29 <= 96178)) || ((((42 + a4 <= 0 && 0 <= a29 + 127) && 98 + a0 <= 0) && 5 <= a2) && a29 <= 43)) || ((((a29 <= 135549 && 42 + a4 <= 0) && 98 + a0 <= 0) && 3 == a2) && a29 <= 43) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:55:17,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00fd9c9c-4c4c-4d44-832c-db450fb8c20e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...