./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY --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 a8cf6243f0ab4090e55b0c0c5f0ae4cf837fa81bc993d776b406c2b0dbd3865c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:15:02,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:15:02,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:15:02,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:15:02,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:15:02,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:15:02,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:15:02,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:15:02,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:15:02,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:15:02,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:15:02,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:15:02,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:15:02,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:15:02,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:15:02,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:15:02,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:15:02,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:15:02,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:15:02,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:15:02,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:15:02,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:15:02,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:15:02,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:15:02,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:15:02,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:15:02,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:15:02,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:15:02,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:15:02,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:15:02,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:15:02,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:15:02,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:15:02,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:15:02,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:15:02,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:15:02,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:15:02,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:15:02,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:15:02,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:15:02,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:15:02,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:15:02,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:15:02,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:15:02,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:15:02,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:15:02,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:15:02,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:15:02,425 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:15:02,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:15:02,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:15:02,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:15:02,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:15:02,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:15:02,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:15:02,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:15:02,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:15:02,429 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:15:02,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:15:02,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:15:02,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:15:02,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:15:02,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:15:02,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:15:02,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:15:02,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:15:02,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:15:02,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:15:02,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:15:02,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:15:02,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:15:02,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:15:02,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:15:02,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:15:02,437 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_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8cf6243f0ab4090e55b0c0c5f0ae4cf837fa81bc993d776b406c2b0dbd3865c [2021-11-07 08:15:02,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:15:02,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:15:02,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:15:02,831 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:15:02,832 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:15:02,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c [2021-11-07 08:15:02,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/data/713e9096c/664829f6ae4c4212bceb569cfc62d57d/FLAG6e19bfbe0 [2021-11-07 08:15:03,698 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:15:03,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/sv-benchmarks/c/eca-rers2012/Problem16_label07.c [2021-11-07 08:15:03,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/data/713e9096c/664829f6ae4c4212bceb569cfc62d57d/FLAG6e19bfbe0 [2021-11-07 08:15:03,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/data/713e9096c/664829f6ae4c4212bceb569cfc62d57d [2021-11-07 08:15:03,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:15:03,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:15:03,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:15:03,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:15:03,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:15:03,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:15:03" (1/1) ... [2021-11-07 08:15:03,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eafb5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:03, skipping insertion in model container [2021-11-07 08:15:03,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:15:03" (1/1) ... [2021-11-07 08:15:03,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:15:03,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:15:04,277 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_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/sv-benchmarks/c/eca-rers2012/Problem16_label07.c[5709,5722] [2021-11-07 08:15:04,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:15:04,906 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:15:04,956 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_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/sv-benchmarks/c/eca-rers2012/Problem16_label07.c[5709,5722] [2021-11-07 08:15:05,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:15:05,314 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:15:05,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05 WrapperNode [2021-11-07 08:15:05,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:15:05,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:15:05,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:15:05,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:15:05,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:15:05,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:15:05,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:15:05,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:15:05,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:15:05,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:15:05,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:15:05,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:15:05,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (1/1) ... [2021-11-07 08:15:05,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:15:05,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:06,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:15:06,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:15:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:15:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:15:06,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:15:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:15:09,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:15:09,142 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-07 08:15:09,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:15:09 BoogieIcfgContainer [2021-11-07 08:15:09,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:15:09,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:15:09,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:15:09,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:15:09,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:15:03" (1/3) ... [2021-11-07 08:15:09,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3027dfe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:15:09, skipping insertion in model container [2021-11-07 08:15:09,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:15:05" (2/3) ... [2021-11-07 08:15:09,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3027dfe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:15:09, skipping insertion in model container [2021-11-07 08:15:09,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:15:09" (3/3) ... [2021-11-07 08:15:09,158 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label07.c [2021-11-07 08:15:09,172 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:15:09,173 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:15:09,255 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:15:09,266 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 [2021-11-07 08:15:09,266 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 08:15:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 08:15:09,328 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:09,329 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:09,330 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:09,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:09,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2021-11-07 08:15:09,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:09,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278758917] [2021-11-07 08:15:09,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:09,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:09,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:09,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278758917] [2021-11-07 08:15:09,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278758917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:09,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:09,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:15:09,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986364504] [2021-11-07 08:15:09,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:09,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:09,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:09,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:09,708 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:12,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:12,474 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-11-07 08:15:12,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:12,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-11-07 08:15:12,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:12,502 INFO L225 Difference]: With dead ends: 1122 [2021-11-07 08:15:12,503 INFO L226 Difference]: Without dead ends: 662 [2021-11-07 08:15:12,510 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 [2021-11-07 08:15:12,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-11-07 08:15:12,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-11-07 08:15:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2021-11-07 08:15:12,628 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 54 [2021-11-07 08:15:12,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:12,629 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2021-11-07 08:15:12,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2021-11-07 08:15:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-07 08:15:12,636 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:12,637 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:12,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:15:12,638 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:12,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:12,639 INFO L85 PathProgramCache]: Analyzing trace with hash -268555836, now seen corresponding path program 1 times [2021-11-07 08:15:12,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:12,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442708678] [2021-11-07 08:15:12,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:12,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:12,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:12,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442708678] [2021-11-07 08:15:12,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442708678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:12,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:12,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:15:12,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423529695] [2021-11-07 08:15:12,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:12,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:12,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:12,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:12,934 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:15,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:15,339 INFO L93 Difference]: Finished difference Result 1980 states and 3007 transitions. [2021-11-07 08:15:15,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:15,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2021-11-07 08:15:15,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:15,352 INFO L225 Difference]: With dead ends: 1980 [2021-11-07 08:15:15,352 INFO L226 Difference]: Without dead ends: 1320 [2021-11-07 08:15:15,355 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 [2021-11-07 08:15:15,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-11-07 08:15:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-11-07 08:15:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4564063684609552) internal successors, (1921), 1319 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1921 transitions. [2021-11-07 08:15:15,428 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1921 transitions. Word has length 122 [2021-11-07 08:15:15,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:15,429 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1921 transitions. [2021-11-07 08:15:15,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1921 transitions. [2021-11-07 08:15:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-07 08:15:15,433 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:15,434 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:15,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:15:15,435 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:15,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:15,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1649619629, now seen corresponding path program 1 times [2021-11-07 08:15:15,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:15,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671543078] [2021-11-07 08:15:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:15,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:15,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:15,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671543078] [2021-11-07 08:15:15,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671543078] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:15,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:15,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:15:15,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818828326] [2021-11-07 08:15:15,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:15,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:15,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:15,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:15,561 INFO L87 Difference]: Start difference. First operand 1320 states and 1921 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:17,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:17,982 INFO L93 Difference]: Finished difference Result 3954 states and 5758 transitions. [2021-11-07 08:15:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:17,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-11-07 08:15:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:18,008 INFO L225 Difference]: With dead ends: 3954 [2021-11-07 08:15:18,009 INFO L226 Difference]: Without dead ends: 2636 [2021-11-07 08:15:18,011 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 [2021-11-07 08:15:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-11-07 08:15:18,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-11-07 08:15:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3248576850094878) internal successors, (3491), 2635 states have internal predecessors, (3491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3491 transitions. [2021-11-07 08:15:18,104 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3491 transitions. Word has length 133 [2021-11-07 08:15:18,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:18,107 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3491 transitions. [2021-11-07 08:15:18,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3491 transitions. [2021-11-07 08:15:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-07 08:15:18,123 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:18,124 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:18,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 08:15:18,125 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:18,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:18,128 INFO L85 PathProgramCache]: Analyzing trace with hash -2044941141, now seen corresponding path program 1 times [2021-11-07 08:15:18,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:18,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241754089] [2021-11-07 08:15:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:18,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:18,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:18,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241754089] [2021-11-07 08:15:18,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241754089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:18,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:18,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:15:18,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544952594] [2021-11-07 08:15:18,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:18,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:18,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:18,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:18,401 INFO L87 Difference]: Start difference. First operand 2636 states and 3491 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:20,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:20,375 INFO L93 Difference]: Finished difference Result 6586 states and 8550 transitions. [2021-11-07 08:15:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:20,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2021-11-07 08:15:20,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:20,404 INFO L225 Difference]: With dead ends: 6586 [2021-11-07 08:15:20,405 INFO L226 Difference]: Without dead ends: 3952 [2021-11-07 08:15:20,410 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 [2021-11-07 08:15:20,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-11-07 08:15:20,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-11-07 08:15:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.2171602126044039) internal successors, (4809), 3951 states have internal predecessors, (4809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4809 transitions. [2021-11-07 08:15:20,537 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4809 transitions. Word has length 185 [2021-11-07 08:15:20,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:20,538 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4809 transitions. [2021-11-07 08:15:20,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4809 transitions. [2021-11-07 08:15:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-07 08:15:20,547 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:20,548 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:20,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 08:15:20,550 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:20,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:20,552 INFO L85 PathProgramCache]: Analyzing trace with hash -2073243481, now seen corresponding path program 1 times [2021-11-07 08:15:20,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:20,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135587732] [2021-11-07 08:15:20,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:20,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:20,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:20,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135587732] [2021-11-07 08:15:20,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135587732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:20,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:20,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:20,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111488253] [2021-11-07 08:15:20,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:20,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:20,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:20,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:20,920 INFO L87 Difference]: Start difference. First operand 3952 states and 4809 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:23,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:23,195 INFO L93 Difference]: Finished difference Result 9547 states and 11836 transitions. [2021-11-07 08:15:23,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:23,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 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 289 [2021-11-07 08:15:23,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:23,236 INFO L225 Difference]: With dead ends: 9547 [2021-11-07 08:15:23,236 INFO L226 Difference]: Without dead ends: 5597 [2021-11-07 08:15:23,243 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 [2021-11-07 08:15:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-11-07 08:15:23,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-11-07 08:15:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.2101501072194425) internal successors, (6772), 5596 states have internal predecessors, (6772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6772 transitions. [2021-11-07 08:15:23,407 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6772 transitions. Word has length 289 [2021-11-07 08:15:23,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:23,409 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6772 transitions. [2021-11-07 08:15:23,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6772 transitions. [2021-11-07 08:15:23,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-07 08:15:23,416 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:23,416 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:23,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 08:15:23,417 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:23,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:23,418 INFO L85 PathProgramCache]: Analyzing trace with hash 982610382, now seen corresponding path program 1 times [2021-11-07 08:15:23,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:23,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184142486] [2021-11-07 08:15:23,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:23,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:23,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:23,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184142486] [2021-11-07 08:15:23,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184142486] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:23,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:23,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:23,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843325359] [2021-11-07 08:15:23,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:15:23,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:23,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:15:23,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:15:23,806 INFO L87 Difference]: Start difference. First operand 5597 states and 6772 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:26,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:26,099 INFO L93 Difference]: Finished difference Result 11574 states and 13936 transitions. [2021-11-07 08:15:26,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:15:26,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 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 299 [2021-11-07 08:15:26,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:26,150 INFO L225 Difference]: With dead ends: 11574 [2021-11-07 08:15:26,150 INFO L226 Difference]: Without dead ends: 5979 [2021-11-07 08:15:26,159 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:15:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5979 states. [2021-11-07 08:15:26,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5979 to 5926. [2021-11-07 08:15:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.199493670886076) internal successors, (7107), 5925 states have internal predecessors, (7107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 7107 transitions. [2021-11-07 08:15:26,402 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 7107 transitions. Word has length 299 [2021-11-07 08:15:26,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:26,403 INFO L470 AbstractCegarLoop]: Abstraction has 5926 states and 7107 transitions. [2021-11-07 08:15:26,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 7107 transitions. [2021-11-07 08:15:26,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-07 08:15:26,416 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:26,417 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 08:15:26,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 08:15:26,418 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:26,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:26,419 INFO L85 PathProgramCache]: Analyzing trace with hash -474499041, now seen corresponding path program 1 times [2021-11-07 08:15:26,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:26,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257354086] [2021-11-07 08:15:26,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:26,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:15:26,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:26,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257354086] [2021-11-07 08:15:26,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257354086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:26,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:26,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 08:15:26,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142928050] [2021-11-07 08:15:26,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 08:15:26,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:26,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 08:15:26,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:15:26,825 INFO L87 Difference]: Start difference. First operand 5926 states and 7107 transitions. Second operand has 7 states, 7 states have (on average 55.142857142857146) internal successors, (386), 6 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:29,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:29,568 INFO L93 Difference]: Finished difference Result 11380 states and 13724 transitions. [2021-11-07 08:15:29,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 08:15:29,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 55.142857142857146) internal successors, (386), 6 states have internal predecessors, (386), 0 states have call successors, (0), 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 386 [2021-11-07 08:15:29,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:29,602 INFO L225 Difference]: With dead ends: 11380 [2021-11-07 08:15:29,603 INFO L226 Difference]: Without dead ends: 5597 [2021-11-07 08:15:29,611 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:15:29,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-11-07 08:15:29,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-11-07 08:15:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0816654753395283) internal successors, (6053), 5596 states have internal predecessors, (6053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6053 transitions. [2021-11-07 08:15:29,753 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6053 transitions. Word has length 386 [2021-11-07 08:15:29,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:29,754 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6053 transitions. [2021-11-07 08:15:29,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 55.142857142857146) internal successors, (386), 6 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6053 transitions. [2021-11-07 08:15:29,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-11-07 08:15:29,797 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:29,798 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:29,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 08:15:29,799 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:29,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:29,800 INFO L85 PathProgramCache]: Analyzing trace with hash -958099513, now seen corresponding path program 1 times [2021-11-07 08:15:29,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:29,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538255102] [2021-11-07 08:15:29,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:29,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-07 08:15:30,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:30,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538255102] [2021-11-07 08:15:30,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538255102] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:15:30,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492482221] [2021-11-07 08:15:30,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:30,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:15:30,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:15:30,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:15:30,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:15:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:30,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:15:30,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:15:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-07 08:15:32,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492482221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:32,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 08:15:32,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-11-07 08:15:32,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150517831] [2021-11-07 08:15:32,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:32,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:32,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:32,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:15:32,181 INFO L87 Difference]: Start difference. First operand 5597 states and 6053 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:33,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:33,496 INFO L93 Difference]: Finished difference Result 7244 states and 7749 transitions. [2021-11-07 08:15:33,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:33,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2021-11-07 08:15:33,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:33,541 INFO L225 Difference]: With dead ends: 7244 [2021-11-07 08:15:33,541 INFO L226 Difference]: Without dead ends: 7242 [2021-11-07 08:15:33,544 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 08:15:33,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2021-11-07 08:15:33,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 6255. [2021-11-07 08:15:33,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0767508794371603) internal successors, (6734), 6254 states have internal predecessors, (6734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6734 transitions. [2021-11-07 08:15:33,767 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6734 transitions. Word has length 393 [2021-11-07 08:15:33,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:33,768 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6734 transitions. [2021-11-07 08:15:33,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6734 transitions. [2021-11-07 08:15:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2021-11-07 08:15:33,796 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:33,797 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:33,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 08:15:34,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-07 08:15:34,025 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:34,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:34,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2064845994, now seen corresponding path program 1 times [2021-11-07 08:15:34,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:34,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113454302] [2021-11-07 08:15:34,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:34,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-07 08:15:34,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:34,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113454302] [2021-11-07 08:15:34,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113454302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:34,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:34,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:34,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082241262] [2021-11-07 08:15:34,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:34,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:34,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:34,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:34,342 INFO L87 Difference]: Start difference. First operand 6255 states and 6734 transitions. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:35,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:35,855 INFO L93 Difference]: Finished difference Result 14482 states and 15690 transitions. [2021-11-07 08:15:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:35,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 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 629 [2021-11-07 08:15:35,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:35,877 INFO L225 Difference]: With dead ends: 14482 [2021-11-07 08:15:35,877 INFO L226 Difference]: Without dead ends: 8558 [2021-11-07 08:15:35,885 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 [2021-11-07 08:15:35,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2021-11-07 08:15:36,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8558. [2021-11-07 08:15:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8558 states, 8557 states have (on average 1.0781816057029332) internal successors, (9226), 8557 states have internal predecessors, (9226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8558 states to 8558 states and 9226 transitions. [2021-11-07 08:15:36,114 INFO L78 Accepts]: Start accepts. Automaton has 8558 states and 9226 transitions. Word has length 629 [2021-11-07 08:15:36,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:36,116 INFO L470 AbstractCegarLoop]: Abstraction has 8558 states and 9226 transitions. [2021-11-07 08:15:36,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 8558 states and 9226 transitions. [2021-11-07 08:15:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2021-11-07 08:15:36,130 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:36,131 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-07 08:15:36,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 08:15:36,132 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:36,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1331746398, now seen corresponding path program 1 times [2021-11-07 08:15:36,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:36,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037417141] [2021-11-07 08:15:36,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:36,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-07 08:15:36,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:36,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037417141] [2021-11-07 08:15:36,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037417141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:36,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:36,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:36,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934672005] [2021-11-07 08:15:36,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:15:36,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:36,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:15:36,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:15:36,608 INFO L87 Difference]: Start difference. First operand 8558 states and 9226 transitions. Second operand has 4 states, 4 states have (on average 148.75) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:38,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:38,780 INFO L93 Difference]: Finished difference Result 20404 states and 22031 transitions. [2021-11-07 08:15:38,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:15:38,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.75) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 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 710 [2021-11-07 08:15:38,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:38,813 INFO L225 Difference]: With dead ends: 20404 [2021-11-07 08:15:38,813 INFO L226 Difference]: Without dead ends: 12177 [2021-11-07 08:15:38,822 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 [2021-11-07 08:15:38,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2021-11-07 08:15:39,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 11519. [2021-11-07 08:15:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11518 states have (on average 1.0766626150373328) internal successors, (12401), 11518 states have internal predecessors, (12401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 12401 transitions. [2021-11-07 08:15:39,078 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 12401 transitions. Word has length 710 [2021-11-07 08:15:39,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:39,080 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 12401 transitions. [2021-11-07 08:15:39,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.75) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 12401 transitions. [2021-11-07 08:15:39,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2021-11-07 08:15:39,097 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:39,098 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:39,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 08:15:39,099 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:39,100 INFO L85 PathProgramCache]: Analyzing trace with hash 95917745, now seen corresponding path program 1 times [2021-11-07 08:15:39,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:39,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890173061] [2021-11-07 08:15:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:39,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 859 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-11-07 08:15:39,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:39,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890173061] [2021-11-07 08:15:39,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890173061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:39,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:39,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:39,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94630507] [2021-11-07 08:15:39,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:15:39,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:39,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:15:39,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:15:39,522 INFO L87 Difference]: Start difference. First operand 11519 states and 12401 transitions. Second operand has 4 states, 4 states have (on average 130.75) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:41,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:41,385 INFO L93 Difference]: Finished difference Result 22378 states and 24133 transitions. [2021-11-07 08:15:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:41,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.75) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 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 748 [2021-11-07 08:15:41,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:41,412 INFO L225 Difference]: With dead ends: 22378 [2021-11-07 08:15:41,412 INFO L226 Difference]: Without dead ends: 11519 [2021-11-07 08:15:41,424 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 [2021-11-07 08:15:41,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2021-11-07 08:15:41,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 11519. [2021-11-07 08:15:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11518 states have (on average 1.0764021531515888) internal successors, (12398), 11518 states have internal predecessors, (12398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 12398 transitions. [2021-11-07 08:15:41,642 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 12398 transitions. Word has length 748 [2021-11-07 08:15:41,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:41,644 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 12398 transitions. [2021-11-07 08:15:41,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.75) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 12398 transitions. [2021-11-07 08:15:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2021-11-07 08:15:41,662 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:41,663 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:41,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 08:15:41,664 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:41,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:41,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1477517953, now seen corresponding path program 1 times [2021-11-07 08:15:41,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:41,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189023405] [2021-11-07 08:15:41,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:41,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 656 proven. 0 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2021-11-07 08:15:42,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:42,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189023405] [2021-11-07 08:15:42,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189023405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:42,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:42,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:42,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228880564] [2021-11-07 08:15:42,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:42,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:42,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:42,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:42,110 INFO L87 Difference]: Start difference. First operand 11519 states and 12398 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:43,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:43,623 INFO L93 Difference]: Finished difference Result 25010 states and 27081 transitions. [2021-11-07 08:15:43,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:43,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 809 [2021-11-07 08:15:43,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:43,656 INFO L225 Difference]: With dead ends: 25010 [2021-11-07 08:15:43,657 INFO L226 Difference]: Without dead ends: 14151 [2021-11-07 08:15:43,669 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 [2021-11-07 08:15:43,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-11-07 08:15:43,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13493. [2021-11-07 08:15:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.066335606285206) internal successors, (14387), 13492 states have internal predecessors, (14387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14387 transitions. [2021-11-07 08:15:43,921 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14387 transitions. Word has length 809 [2021-11-07 08:15:43,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:43,923 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 14387 transitions. [2021-11-07 08:15:43,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14387 transitions. [2021-11-07 08:15:43,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2021-11-07 08:15:43,946 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:43,949 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:43,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 08:15:43,949 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:43,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:43,951 INFO L85 PathProgramCache]: Analyzing trace with hash -81868490, now seen corresponding path program 1 times [2021-11-07 08:15:43,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:43,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987193926] [2021-11-07 08:15:43,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:43,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1321 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-11-07 08:15:44,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:44,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987193926] [2021-11-07 08:15:44,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987193926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:44,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:44,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:44,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72575495] [2021-11-07 08:15:44,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:44,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:44,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:44,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:44,473 INFO L87 Difference]: Start difference. First operand 13493 states and 14387 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:45,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:45,865 INFO L93 Difference]: Finished difference Result 26326 states and 28108 transitions. [2021-11-07 08:15:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:45,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 810 [2021-11-07 08:15:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:45,894 INFO L225 Difference]: With dead ends: 26326 [2021-11-07 08:15:45,894 INFO L226 Difference]: Without dead ends: 13493 [2021-11-07 08:15:45,906 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 [2021-11-07 08:15:45,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2021-11-07 08:15:46,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13164. [2021-11-07 08:15:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.05918103775735) internal successors, (13942), 13163 states have internal predecessors, (13942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13942 transitions. [2021-11-07 08:15:46,135 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13942 transitions. Word has length 810 [2021-11-07 08:15:46,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:46,137 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13942 transitions. [2021-11-07 08:15:46,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13942 transitions. [2021-11-07 08:15:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2021-11-07 08:15:46,169 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:46,170 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:46,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 08:15:46,171 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:46,172 INFO L85 PathProgramCache]: Analyzing trace with hash -875533508, now seen corresponding path program 1 times [2021-11-07 08:15:46,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:46,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564021228] [2021-11-07 08:15:46,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:46,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2302 backedges. 1188 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2021-11-07 08:15:46,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:46,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564021228] [2021-11-07 08:15:46,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564021228] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:46,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:46,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:46,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393986253] [2021-11-07 08:15:46,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:46,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:46,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:46,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:46,811 INFO L87 Difference]: Start difference. First operand 13164 states and 13942 transitions. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:48,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:48,053 INFO L93 Difference]: Finished difference Result 30932 states and 32825 transitions. [2021-11-07 08:15:48,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:48,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 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 980 [2021-11-07 08:15:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:48,084 INFO L225 Difference]: With dead ends: 30932 [2021-11-07 08:15:48,084 INFO L226 Difference]: Without dead ends: 16783 [2021-11-07 08:15:48,094 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 [2021-11-07 08:15:48,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-11-07 08:15:48,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16454. [2021-11-07 08:15:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.045766729471829) internal successors, (17206), 16453 states have internal predecessors, (17206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 17206 transitions. [2021-11-07 08:15:48,377 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 17206 transitions. Word has length 980 [2021-11-07 08:15:48,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:48,378 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 17206 transitions. [2021-11-07 08:15:48,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 17206 transitions. [2021-11-07 08:15:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1250 [2021-11-07 08:15:48,481 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:48,483 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:48,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 08:15:48,484 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:48,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1116307308, now seen corresponding path program 1 times [2021-11-07 08:15:48,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:48,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573495441] [2021-11-07 08:15:48,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:48,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3279 backedges. 1062 proven. 0 refuted. 0 times theorem prover too weak. 2217 trivial. 0 not checked. [2021-11-07 08:15:49,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:49,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573495441] [2021-11-07 08:15:49,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573495441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:49,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:49,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:49,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472422582] [2021-11-07 08:15:49,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:49,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:49,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:49,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:49,277 INFO L87 Difference]: Start difference. First operand 16454 states and 17206 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:50,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:50,757 INFO L93 Difference]: Finished difference Result 32577 states and 34076 transitions. [2021-11-07 08:15:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:50,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 1249 [2021-11-07 08:15:50,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:50,781 INFO L225 Difference]: With dead ends: 32577 [2021-11-07 08:15:50,782 INFO L226 Difference]: Without dead ends: 16783 [2021-11-07 08:15:50,792 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 [2021-11-07 08:15:50,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-11-07 08:15:51,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 15796. [2021-11-07 08:15:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0376701487812598) internal successors, (16390), 15795 states have internal predecessors, (16390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16390 transitions. [2021-11-07 08:15:51,151 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16390 transitions. Word has length 1249 [2021-11-07 08:15:51,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:51,153 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16390 transitions. [2021-11-07 08:15:51,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:51,153 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16390 transitions. [2021-11-07 08:15:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1266 [2021-11-07 08:15:51,192 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:51,194 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:51,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 08:15:51,194 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:51,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:51,196 INFO L85 PathProgramCache]: Analyzing trace with hash -2031272531, now seen corresponding path program 1 times [2021-11-07 08:15:51,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:51,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148117192] [2021-11-07 08:15:51,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:51,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3510 backedges. 1098 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-11-07 08:15:51,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:51,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148117192] [2021-11-07 08:15:51,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148117192] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:51,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:51,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:51,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122142675] [2021-11-07 08:15:51,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:51,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:51,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:51,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:51,852 INFO L87 Difference]: Start difference. First operand 15796 states and 16390 transitions. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:53,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:53,396 INFO L93 Difference]: Finished difference Result 34222 states and 35580 transitions. [2021-11-07 08:15:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:53,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 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 1265 [2021-11-07 08:15:53,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:53,413 INFO L225 Difference]: With dead ends: 34222 [2021-11-07 08:15:53,413 INFO L226 Difference]: Without dead ends: 16783 [2021-11-07 08:15:53,422 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 [2021-11-07 08:15:53,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-11-07 08:15:53,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 14809. [2021-11-07 08:15:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0324824419232848) internal successors, (15289), 14808 states have internal predecessors, (15289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15289 transitions. [2021-11-07 08:15:53,668 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15289 transitions. Word has length 1265 [2021-11-07 08:15:53,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:53,670 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15289 transitions. [2021-11-07 08:15:53,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15289 transitions. [2021-11-07 08:15:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1592 [2021-11-07 08:15:53,720 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:53,722 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 08:15:53,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 08:15:53,722 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:53,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:53,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1693720187, now seen corresponding path program 1 times [2021-11-07 08:15:53,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:53,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190940904] [2021-11-07 08:15:53,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:53,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 3358 proven. 0 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2021-11-07 08:15:54,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:54,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190940904] [2021-11-07 08:15:54,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190940904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:54,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:54,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:54,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641672503] [2021-11-07 08:15:54,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:54,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:54,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:54,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:54,641 INFO L87 Difference]: Start difference. First operand 14809 states and 15289 transitions. Second operand has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:55,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:55,917 INFO L93 Difference]: Finished difference Result 29287 states and 30242 transitions. [2021-11-07 08:15:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:55,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 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 1591 [2021-11-07 08:15:55,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:55,933 INFO L225 Difference]: With dead ends: 29287 [2021-11-07 08:15:55,933 INFO L226 Difference]: Without dead ends: 14809 [2021-11-07 08:15:55,943 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 [2021-11-07 08:15:55,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states. [2021-11-07 08:15:56,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14480. [2021-11-07 08:15:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.026244906416189) internal successors, (14859), 14479 states have internal predecessors, (14859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14859 transitions. [2021-11-07 08:15:56,154 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14859 transitions. Word has length 1591 [2021-11-07 08:15:56,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:56,155 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14859 transitions. [2021-11-07 08:15:56,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14859 transitions. [2021-11-07 08:15:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1602 [2021-11-07 08:15:56,197 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:56,198 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:56,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 08:15:56,199 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:56,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:56,200 INFO L85 PathProgramCache]: Analyzing trace with hash 133853847, now seen corresponding path program 1 times [2021-11-07 08:15:56,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:56,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649723140] [2021-11-07 08:15:56,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:56,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4302 backedges. 2508 proven. 0 refuted. 0 times theorem prover too weak. 1794 trivial. 0 not checked. [2021-11-07 08:15:57,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:57,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649723140] [2021-11-07 08:15:57,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649723140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:57,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:57,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:57,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249670532] [2021-11-07 08:15:57,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:57,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:57,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:57,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:57,204 INFO L87 Difference]: Start difference. First operand 14480 states and 14859 transitions. Second operand has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:58,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:15:58,336 INFO L93 Difference]: Finished difference Result 28629 states and 29385 transitions. [2021-11-07 08:15:58,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:15:58,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 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 1601 [2021-11-07 08:15:58,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:15:58,352 INFO L225 Difference]: With dead ends: 28629 [2021-11-07 08:15:58,353 INFO L226 Difference]: Without dead ends: 14480 [2021-11-07 08:15:58,359 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 [2021-11-07 08:15:58,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-11-07 08:15:58,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2021-11-07 08:15:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0206931481079518) internal successors, (14107), 13821 states have internal predecessors, (14107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14107 transitions. [2021-11-07 08:15:58,623 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14107 transitions. Word has length 1601 [2021-11-07 08:15:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:15:58,624 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14107 transitions. [2021-11-07 08:15:58,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:15:58,625 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14107 transitions. [2021-11-07 08:15:58,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1650 [2021-11-07 08:15:58,665 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:15:58,666 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:15:58,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 08:15:58,667 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:15:58,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:15:58,668 INFO L85 PathProgramCache]: Analyzing trace with hash 399729216, now seen corresponding path program 1 times [2021-11-07 08:15:58,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:15:58,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857401687] [2021-11-07 08:15:58,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:15:58,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:15:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:15:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5399 backedges. 3124 proven. 0 refuted. 0 times theorem prover too weak. 2275 trivial. 0 not checked. [2021-11-07 08:15:59,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:15:59,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857401687] [2021-11-07 08:15:59,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857401687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:15:59,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:15:59,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:15:59,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048783941] [2021-11-07 08:15:59,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:15:59,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:15:59,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:15:59,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:15:59,552 INFO L87 Difference]: Start difference. First operand 13822 states and 14107 transitions. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:00,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:16:00,801 INFO L93 Difference]: Finished difference Result 27642 states and 28219 transitions. [2021-11-07 08:16:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:16:00,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 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 1649 [2021-11-07 08:16:00,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:16:00,814 INFO L225 Difference]: With dead ends: 27642 [2021-11-07 08:16:00,815 INFO L226 Difference]: Without dead ends: 14480 [2021-11-07 08:16:00,819 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 [2021-11-07 08:16:00,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-11-07 08:16:00,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480. [2021-11-07 08:16:00,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0200980730713447) internal successors, (14770), 14479 states have internal predecessors, (14770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14770 transitions. [2021-11-07 08:16:00,978 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14770 transitions. Word has length 1649 [2021-11-07 08:16:00,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:16:00,979 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14770 transitions. [2021-11-07 08:16:00,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14770 transitions. [2021-11-07 08:16:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1673 [2021-11-07 08:16:01,021 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:16:01,022 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 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, 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] [2021-11-07 08:16:01,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 08:16:01,023 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:16:01,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:16:01,024 INFO L85 PathProgramCache]: Analyzing trace with hash 675615185, now seen corresponding path program 1 times [2021-11-07 08:16:01,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:16:01,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652939911] [2021-11-07 08:16:01,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:16:01,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:16:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:16:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5243 backedges. 2956 proven. 0 refuted. 0 times theorem prover too weak. 2287 trivial. 0 not checked. [2021-11-07 08:16:02,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:16:02,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652939911] [2021-11-07 08:16:02,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652939911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:16:02,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:16:02,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:16:02,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949125715] [2021-11-07 08:16:02,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:16:02,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:16:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:16:02,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:16:02,209 INFO L87 Difference]: Start difference. First operand 14480 states and 14770 transitions. Second operand has 3 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:03,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:16:03,529 INFO L93 Difference]: Finished difference Result 31590 states and 32220 transitions. [2021-11-07 08:16:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:16:03,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 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 1672 [2021-11-07 08:16:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:16:03,554 INFO L225 Difference]: With dead ends: 31590 [2021-11-07 08:16:03,554 INFO L226 Difference]: Without dead ends: 17770 [2021-11-07 08:16:03,562 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 [2021-11-07 08:16:03,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-11-07 08:16:03,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 15467. [2021-11-07 08:16:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0193973878184404) internal successors, (15766), 15466 states have internal predecessors, (15766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15766 transitions. [2021-11-07 08:16:03,822 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15766 transitions. Word has length 1672 [2021-11-07 08:16:03,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:16:03,823 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15766 transitions. [2021-11-07 08:16:03,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15766 transitions. [2021-11-07 08:16:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1714 [2021-11-07 08:16:03,969 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 08:16:03,971 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-11-07 08:16:03,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 08:16:03,972 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 08:16:03,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:16:03,973 INFO L85 PathProgramCache]: Analyzing trace with hash 2045847364, now seen corresponding path program 1 times [2021-11-07 08:16:03,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:16:03,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506117416] [2021-11-07 08:16:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:16:03,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:16:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:16:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5902 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 5383 trivial. 0 not checked. [2021-11-07 08:16:05,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:16:05,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506117416] [2021-11-07 08:16:05,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506117416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:16:05,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:16:05,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 08:16:05,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321287331] [2021-11-07 08:16:05,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 08:16:05,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:16:05,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:16:05,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:16:05,128 INFO L87 Difference]: Start difference. First operand 15467 states and 15766 transitions. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:06,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:16:06,659 INFO L93 Difference]: Finished difference Result 34549 states and 35234 transitions. [2021-11-07 08:16:06,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:16:06,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 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 1713 [2021-11-07 08:16:06,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 08:16:06,664 INFO L225 Difference]: With dead ends: 34549 [2021-11-07 08:16:06,664 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 08:16:06,675 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 [2021-11-07 08:16:06,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 08:16:06,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 08:16:06,676 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) [2021-11-07 08:16:06,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 08:16:06,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1713 [2021-11-07 08:16:06,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 08:16:06,677 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:16:06,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:16:06,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:16:06,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 08:16:06,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 08:16:06,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 08:16:06,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 08:16:06,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:06,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:07,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:07,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 08:16:10,266 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,266 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,267 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,267 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,267 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,267 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,268 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,268 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,268 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,268 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,268 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,268 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,268 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,269 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,270 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,270 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,270 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,270 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,270 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,270 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,271 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,271 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,271 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,271 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,271 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,271 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,272 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,272 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,272 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-07 08:16:10,272 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-07 08:16:10,272 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,273 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,274 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,275 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,275 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,275 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,275 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,275 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,275 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,275 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,275 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,276 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,276 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,276 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,276 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,276 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,277 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,277 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-07 08:16:10,277 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,277 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-07 08:16:10,277 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-07 08:16:10,278 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (= ~a16~0 9)) (.cse2 (= ~a16~0 8)) (.cse5 (<= ~a12~0 8)) (.cse6 (<= 4 ~a15~0)) (.cse9 (<= 0 (+ 87 ~a18~0))) (.cse11 (= 5 ~a12~0)) (.cse12 (= ~a15~0 3)) (.cse10 (<= ~a12~0 6)) (.cse14 (<= ~a16~0 11)) (.cse15 (<= 6 ~a12~0)) (.cse3 (<= 0 (+ ~a18~0 151))) (.cse4 (<= ~a18~0 132)) (.cse1 (= 7 ~a12~0)) (.cse7 (= ~a12~0 9)) (.cse8 (<= ~a15~0 3)) (.cse13 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse6) (and .cse7 .cse2 .cse8) (and .cse9 .cse2 .cse8) (and .cse9 .cse7 .cse8) (and .cse9 .cse0 .cse8) (and .cse2 .cse10) (and .cse11 .cse12 .cse13) (and .cse2 .cse6 .cse1) (and .cse10 .cse14 .cse6) (and .cse7 .cse2 .cse3) (and .cse8 (= ~a12~0 8)) (and .cse0 .cse11 .cse12) (and .cse9 .cse8 .cse14 .cse1) (and .cse8 .cse14 .cse13 .cse1) (and .cse9 .cse8 .cse10 .cse15) (and .cse2 (<= (+ ~a18~0 156) 0) .cse5 .cse6) (and .cse9 .cse4 .cse11 .cse12) (and .cse10 .cse14 .cse15) (and .cse8 .cse3 .cse4 .cse13 .cse1) (and .cse7 .cse8 .cse13))) [2021-11-07 08:16:10,278 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,278 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,279 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,279 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,279 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,279 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,279 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,280 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,280 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,280 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,280 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-07 08:16:10,281 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-07 08:16:10,281 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,281 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-07 08:16:10,281 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,281 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,282 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,282 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,282 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,282 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,282 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,283 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,283 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,283 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,283 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,283 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,284 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,284 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,284 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,284 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,284 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,285 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-07 08:16:10,285 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,285 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-07 08:16:10,285 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-07 08:16:10,286 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,286 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,286 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,286 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,286 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,287 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,287 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,287 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,287 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,287 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,288 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,288 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-07 08:16:10,288 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-07 08:16:10,288 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,288 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-07 08:16:10,289 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,289 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (= ~a16~0 9)) (.cse2 (= ~a16~0 8)) (.cse5 (<= ~a12~0 8)) (.cse6 (<= 4 ~a15~0)) (.cse9 (<= 0 (+ 87 ~a18~0))) (.cse11 (= 5 ~a12~0)) (.cse12 (= ~a15~0 3)) (.cse10 (<= ~a12~0 6)) (.cse14 (<= ~a16~0 11)) (.cse15 (<= 6 ~a12~0)) (.cse3 (<= 0 (+ ~a18~0 151))) (.cse4 (<= ~a18~0 132)) (.cse1 (= 7 ~a12~0)) (.cse7 (= ~a12~0 9)) (.cse8 (<= ~a15~0 3)) (.cse13 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse6) (and .cse7 .cse2 .cse8) (and .cse9 .cse2 .cse8) (and .cse9 .cse7 .cse8) (and .cse9 .cse0 .cse8) (and .cse2 .cse10) (and .cse11 .cse12 .cse13) (and .cse2 .cse6 .cse1) (and .cse10 .cse14 .cse6) (and .cse7 .cse2 .cse3) (and .cse8 (= ~a12~0 8)) (and .cse0 .cse11 .cse12) (and .cse9 .cse8 .cse14 .cse1) (and .cse8 .cse14 .cse13 .cse1) (and .cse9 .cse8 .cse10 .cse15) (and .cse2 (<= (+ ~a18~0 156) 0) .cse5 .cse6) (and .cse9 .cse4 .cse11 .cse12) (and .cse10 .cse14 .cse15) (and .cse8 .cse3 .cse4 .cse13 .cse1) (and .cse7 .cse8 .cse13))) [2021-11-07 08:16:10,289 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,290 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,290 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,290 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,290 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,290 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,291 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,291 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,291 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 08:16:10,291 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,291 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,292 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,292 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,292 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,292 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,292 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-07 08:16:10,293 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,293 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-07 08:16:10,293 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-07 08:16:10,293 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,294 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-11-07 08:16:10,294 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,294 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,294 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,294 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,295 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,295 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,295 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,295 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,295 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,296 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,296 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,296 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-07 08:16:10,296 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,296 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-07 08:16:10,297 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,297 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-07 08:16:10,297 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,297 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,297 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,298 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,298 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,298 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,298 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,299 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,299 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,299 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,299 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,299 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,300 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,300 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,300 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,300 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,300 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-07 08:16:10,301 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-07 08:16:10,301 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-07 08:16:10,301 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 08:16:10,301 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2021-11-07 08:16:10,302 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (= ~a16~0 9)) (.cse2 (= ~a16~0 8)) (.cse5 (<= ~a12~0 8)) (.cse6 (<= 4 ~a15~0)) (.cse9 (<= 0 (+ 87 ~a18~0))) (.cse11 (= 5 ~a12~0)) (.cse12 (= ~a15~0 3)) (.cse10 (<= ~a12~0 6)) (.cse14 (<= ~a16~0 11)) (.cse15 (<= 6 ~a12~0)) (.cse3 (<= 0 (+ ~a18~0 151))) (.cse4 (<= ~a18~0 132)) (.cse1 (= 7 ~a12~0)) (.cse7 (= ~a12~0 9)) (.cse8 (<= ~a15~0 3)) (.cse13 (<= 11 ~a16~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse6) (and .cse7 .cse2 .cse8) (and .cse9 .cse2 .cse8) (and .cse9 .cse7 .cse8) (and .cse9 .cse0 .cse8) (and .cse2 .cse10) (and .cse11 .cse12 .cse13) (and .cse2 .cse6 .cse1) (and .cse10 .cse14 .cse6) (and .cse7 .cse2 .cse3) (and .cse8 (= ~a12~0 8)) (and .cse0 .cse11 .cse12) (and .cse9 .cse8 .cse14 .cse1) (and .cse8 .cse14 .cse13 .cse1) (and .cse9 .cse8 .cse10 .cse15) (and .cse2 (<= (+ ~a18~0 156) 0) .cse5 .cse6) (and .cse9 .cse4 .cse11 .cse12) (and .cse10 .cse14 .cse15) (and .cse8 .cse3 .cse4 .cse13 .cse1) (and .cse7 .cse8 .cse13))) [2021-11-07 08:16:10,302 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,302 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,302 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,303 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,303 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,303 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,303 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,303 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,304 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,304 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,304 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,304 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,305 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,305 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,305 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-07 08:16:10,305 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,305 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-07 08:16:10,306 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-07 08:16:10,306 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,306 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,306 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,306 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,307 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,307 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,307 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,307 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,307 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,308 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,308 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,308 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,308 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-11-07 08:16:10,309 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,309 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,309 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,309 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,309 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,310 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-07 08:16:10,310 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-07 08:16:10,310 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-07 08:16:10,310 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,310 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,311 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,311 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,311 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,311 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,311 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,312 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,312 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,312 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,312 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,312 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,313 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,313 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-07 08:16:10,313 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,313 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-07 08:16:10,313 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-07 08:16:10,314 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,314 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,314 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,314 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,314 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,315 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,315 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,315 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,315 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,315 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,316 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,316 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,316 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,316 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,317 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-07 08:16:10,317 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-07 08:16:10,317 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-07 08:16:10,317 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,317 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,318 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,318 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,318 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,318 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,318 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,319 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,319 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,319 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,319 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,319 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,320 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,320 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,320 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-07 08:16:10,320 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,320 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-07 08:16:10,321 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-07 08:16:10,321 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,321 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,321 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,322 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,322 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,322 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,322 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,322 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,323 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,323 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,323 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,323 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,323 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,324 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,324 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-07 08:16:10,324 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-07 08:16:10,324 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-07 08:16:10,324 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,325 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,325 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,325 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,325 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,325 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,326 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,326 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,326 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,326 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,326 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,327 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,327 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,327 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,327 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 08:16:10,327 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,328 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-07 08:16:10,328 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-07 08:16:10,328 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,328 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,329 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,329 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,329 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,329 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,329 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,330 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,330 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,330 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,330 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,330 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,331 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-07 08:16:10,331 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-07 08:16:10,331 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,331 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,332 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,332 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,332 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,332 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,332 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,333 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,333 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,333 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,333 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,333 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,334 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,334 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,334 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,334 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,334 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-07 08:16:10,335 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-07 08:16:10,335 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,335 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,335 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,335 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,336 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,336 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,336 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,336 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,337 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,337 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 08:16:10,337 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,337 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,337 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-07 08:16:10,338 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-07 08:16:10,338 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,338 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,338 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,338 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,339 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,339 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,339 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,339 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,339 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,340 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,340 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,340 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,340 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,340 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,341 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,341 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,341 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,341 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-07 08:16:10,341 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-07 08:16:10,342 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,342 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,342 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,342 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,343 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,343 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,343 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-11-07 08:16:10,343 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,343 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,344 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,344 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-07 08:16:10,344 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-11-07 08:16:10,344 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,344 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,345 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-11-07 08:16:10,345 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-07 08:16:10,345 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-07 08:16:10,345 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-07 08:16:10,350 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] [2021-11-07 08:16:10,352 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 08:16:10,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:16:10 BoogieIcfgContainer [2021-11-07 08:16:10,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 08:16:10,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:16:10,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:16:10,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:16:10,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:15:09" (3/4) ... [2021-11-07 08:16:10,394 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 08:16:10,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-07 08:16:10,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 08:16:10,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:16:10,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 08:16:10,765 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 08:16:10,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:16:10,768 INFO L168 Benchmark]: Toolchain (without parser) took 66943.66 ms. Allocated memory was 104.9 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 61.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 511.7 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:10,768 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 82.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:16:10,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1488.37 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 61.6 MB in the beginning and 92.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:10,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 246.96 ms. Allocated memory is still 136.3 MB. Free memory was 92.0 MB in the beginning and 68.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:10,770 INFO L168 Benchmark]: Boogie Preprocessor took 373.34 ms. Allocated memory is still 136.3 MB. Free memory was 68.2 MB in the beginning and 83.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:10,770 INFO L168 Benchmark]: RCFGBuilder took 3206.53 ms. Allocated memory was 136.3 MB in the beginning and 228.6 MB in the end (delta: 92.3 MB). Free memory was 83.2 MB in the beginning and 162.8 MB in the end (delta: -79.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:10,771 INFO L168 Benchmark]: TraceAbstraction took 61240.47 ms. Allocated memory was 228.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 162.8 MB in the beginning and 1.1 GB in the end (delta: -914.3 MB). Peak memory consumption was 483.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:10,772 INFO L168 Benchmark]: Witness Printer took 376.83 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -211.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:16:10,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 82.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1488.37 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 61.6 MB in the beginning and 92.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 246.96 ms. Allocated memory is still 136.3 MB. Free memory was 92.0 MB in the beginning and 68.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 373.34 ms. Allocated memory is still 136.3 MB. Free memory was 68.2 MB in the beginning and 83.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3206.53 ms. Allocated memory was 136.3 MB in the beginning and 228.6 MB in the end (delta: 92.3 MB). Free memory was 83.2 MB in the beginning and 162.8 MB in the end (delta: -79.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 61240.47 ms. Allocated memory was 228.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 162.8 MB in the beginning and 1.1 GB in the end (delta: -914.3 MB). Peak memory consumption was 483.4 MB. Max. memory is 16.1 GB. * Witness Printer took 376.83 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -211.5 MB). Peak memory consumption was 8.4 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: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.0s, OverallIterations: 21, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 38.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5146 SDtfs, 5181 SDslu, 232 SDs, 0 SdLazy, 18678 SolverSat, 3298 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 455 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16454occurred in iteration=14, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 9265 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 238 NumberOfFragments, 808 HoareAnnotationTreeSize, 4 FomulaSimplifications, 11969 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3617 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 17680 NumberOfCodeBlocks, 17680 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 17658 ConstructedInterpolants, 0 QuantifiedInterpolants, 38576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 504 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 22 InterpolantComputations, 21 PerfectInterpolantSequences, 41365/41401 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a16 == 8 && 0 <= a18 + 151) && a18 <= 132) && a12 <= 8)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || ((a12 == 9 && a16 == 8) && a15 <= 3)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || ((a12 == 9 && a16 == 8) && 0 <= a18 + 151)) || (a15 <= 3 && a12 == 8)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (((a15 <= 3 && a16 <= 11) && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a16 == 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || (((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a15 == 3)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((((a15 <= 3 && 0 <= a18 + 151) && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a16 == 8 && 0 <= a18 + 151) && a18 <= 132) && a12 <= 8)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || ((a12 == 9 && a16 == 8) && a15 <= 3)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || ((a12 == 9 && a16 == 8) && 0 <= a18 + 151)) || (a15 <= 3 && a12 == 8)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (((a15 <= 3 && a16 <= 11) && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a16 == 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || (((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a15 == 3)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((((a15 <= 3 && 0 <= a18 + 151) && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a16 == 9 && 7 == a12) || (((a16 == 8 && 0 <= a18 + 151) && a18 <= 132) && a12 <= 8)) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || ((a12 == 9 && a16 == 8) && a15 <= 3)) || ((0 <= 87 + a18 && a16 == 8) && a15 <= 3)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((0 <= 87 + a18 && a16 == 9) && a15 <= 3)) || (a16 == 8 && a12 <= 6)) || ((5 == a12 && a15 == 3) && 11 <= a16)) || ((a16 == 8 && 4 <= a15) && 7 == a12)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || ((a12 == 9 && a16 == 8) && 0 <= a18 + 151)) || (a15 <= 3 && a12 == 8)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((0 <= 87 + a18 && a15 <= 3) && a16 <= 11) && 7 == a12)) || (((a15 <= 3 && a16 <= 11) && 11 <= a16) && 7 == a12)) || (((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) && 6 <= a12)) || (((a16 == 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || (((0 <= 87 + a18 && a18 <= 132) && 5 == a12) && a15 == 3)) || ((a12 <= 6 && a16 <= 11) && 6 <= a12)) || ((((a15 <= 3 && 0 <= a18 + 151) && a18 <= 132) && 11 <= a16) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && 11 <= a16) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 08:16:10,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_749d7ee0-f2ea-4028-a078-ecd7a9c7e8fb/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE