./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a24fec5150e44d80cd66a293e62312c173f941d5643050e415eb72b0805f56eb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:41:36,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:41:36,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:41:36,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:41:36,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:41:36,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:41:36,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:41:36,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:41:36,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:41:36,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:41:36,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:41:36,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:41:36,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:41:36,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:41:36,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:41:36,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:41:36,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:41:36,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:41:36,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:41:36,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:41:36,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:41:36,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:41:36,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:41:36,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:41:36,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:41:36,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:41:36,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:41:36,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:41:36,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:41:36,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:41:36,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:41:36,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:41:36,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:41:36,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:41:36,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:41:36,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:41:36,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:41:36,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:41:36,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:41:36,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:41:36,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:41:36,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:41:36,584 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:41:36,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:41:36,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:41:36,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:41:36,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:41:36,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:41:36,586 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:41:36,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:41:36,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:41:36,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:41:36,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:41:36,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:41:36,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:41:36,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:41:36,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:41:36,588 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:41:36,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:41:36,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:41:36,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:41:36,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:41:36,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:41:36,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:41:36,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:41:36,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:41:36,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:41:36,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:41:36,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:41:36,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:41:36,594 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:41:36,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:41:36,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:41:36,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:41:36,596 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_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a24fec5150e44d80cd66a293e62312c173f941d5643050e415eb72b0805f56eb [2021-10-28 09:41:36,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:41:36,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:41:36,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:41:36,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:41:36,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:41:36,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem03_label10.c [2021-10-28 09:41:37,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/data/31704e035/873a6e1341174be088231aa17594a68e/FLAGd4867db62 [2021-10-28 09:41:37,703 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:41:37,704 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/sv-benchmarks/c/eca-rers2012/Problem03_label10.c [2021-10-28 09:41:37,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/data/31704e035/873a6e1341174be088231aa17594a68e/FLAGd4867db62 [2021-10-28 09:41:37,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/data/31704e035/873a6e1341174be088231aa17594a68e [2021-10-28 09:41:37,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:41:37,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:41:37,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:41:37,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:41:37,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:41:37,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:41:37" (1/1) ... [2021-10-28 09:41:37,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21059df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:37, skipping insertion in model container [2021-10-28 09:41:37,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:41:37" (1/1) ... [2021-10-28 09:41:37,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:41:37,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:41:38,635 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_3dfb9c72-f835-477e-9161-a9e844da19c1/sv-benchmarks/c/eca-rers2012/Problem03_label10.c[58665,58678] [2021-10-28 09:41:38,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:41:38,686 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:41:39,004 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_3dfb9c72-f835-477e-9161-a9e844da19c1/sv-benchmarks/c/eca-rers2012/Problem03_label10.c[58665,58678] [2021-10-28 09:41:39,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:41:39,037 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:41:39,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39 WrapperNode [2021-10-28 09:41:39,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:41:39,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:41:39,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:41:39,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:41:39,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:41:39,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:41:39,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:41:39,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:41:39,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:41:39,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:41:39,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:41:39,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:41:39,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (1/1) ... [2021-10-28 09:41:39,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:41:39,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:39,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:41:39,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:41:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:41:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:41:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:41:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:41:41,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:41:41,324 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:41:41,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:41:41 BoogieIcfgContainer [2021-10-28 09:41:41,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:41:41,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:41:41,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:41:41,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:41:41,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:41:37" (1/3) ... [2021-10-28 09:41:41,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df3b491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:41:41, skipping insertion in model container [2021-10-28 09:41:41,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:41:39" (2/3) ... [2021-10-28 09:41:41,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df3b491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:41:41, skipping insertion in model container [2021-10-28 09:41:41,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:41:41" (3/3) ... [2021-10-28 09:41:41,337 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label10.c [2021-10-28 09:41:41,343 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:41:41,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:41:41,404 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:41:41,413 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:41:41,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:41:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-10-28 09:41:41,450 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:41,451 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:41,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:41,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:41,457 INFO L85 PathProgramCache]: Analyzing trace with hash 991324555, now seen corresponding path program 1 times [2021-10-28 09:41:41,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:41,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513600367] [2021-10-28 09:41:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:41,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:42,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:42,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513600367] [2021-10-28 09:41:42,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513600367] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:42,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:42,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:41:42,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314373031] [2021-10-28 09:41:42,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:42,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:42,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:42,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:42,185 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:43,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:43,318 INFO L93 Difference]: Finished difference Result 855 states and 1496 transitions. [2021-10-28 09:41:43,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:43,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-10-28 09:41:43,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:43,346 INFO L225 Difference]: With dead ends: 855 [2021-10-28 09:41:43,347 INFO L226 Difference]: Without dead ends: 460 [2021-10-28 09:41:43,352 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:43,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-10-28 09:41:43,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2021-10-28 09:41:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.5502183406113537) internal successors, (710), 458 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:43,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2021-10-28 09:41:43,419 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 181 [2021-10-28 09:41:43,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:43,420 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2021-10-28 09:41:43,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2021-10-28 09:41:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-10-28 09:41:43,426 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:43,426 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 09:41:43,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:41:43,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:43,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:43,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2021835451, now seen corresponding path program 1 times [2021-10-28 09:41:43,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:43,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356496565] [2021-10-28 09:41:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:43,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:43,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:43,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356496565] [2021-10-28 09:41:43,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356496565] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:43,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:43,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:41:43,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079978722] [2021-10-28 09:41:43,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:43,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:43,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:43,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:43,521 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:44,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:44,412 INFO L93 Difference]: Finished difference Result 1342 states and 2082 transitions. [2021-10-28 09:41:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:44,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 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 186 [2021-10-28 09:41:44,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:44,420 INFO L225 Difference]: With dead ends: 1342 [2021-10-28 09:41:44,420 INFO L226 Difference]: Without dead ends: 885 [2021-10-28 09:41:44,426 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:44,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2021-10-28 09:41:44,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 880. [2021-10-28 09:41:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 879 states have (on average 1.4687144482366326) internal successors, (1291), 879 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1291 transitions. [2021-10-28 09:41:44,513 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1291 transitions. Word has length 186 [2021-10-28 09:41:44,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:44,513 INFO L470 AbstractCegarLoop]: Abstraction has 880 states and 1291 transitions. [2021-10-28 09:41:44,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1291 transitions. [2021-10-28 09:41:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-10-28 09:41:44,526 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:44,527 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 09:41:44,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:41:44,527 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:44,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:44,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1803921076, now seen corresponding path program 1 times [2021-10-28 09:41:44,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:44,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530071374] [2021-10-28 09:41:44,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:44,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:44,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:44,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530071374] [2021-10-28 09:41:44,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530071374] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:44,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:44,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:41:44,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428556443] [2021-10-28 09:41:44,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:44,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:44,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:44,678 INFO L87 Difference]: Start difference. First operand 880 states and 1291 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:45,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:45,635 INFO L93 Difference]: Finished difference Result 2594 states and 3822 transitions. [2021-10-28 09:41:45,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:45,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 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 189 [2021-10-28 09:41:45,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:45,645 INFO L225 Difference]: With dead ends: 2594 [2021-10-28 09:41:45,645 INFO L226 Difference]: Without dead ends: 1716 [2021-10-28 09:41:45,647 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:45,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2021-10-28 09:41:45,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696. [2021-10-28 09:41:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1695 states have (on average 1.43834808259587) internal successors, (2438), 1695 states have internal predecessors, (2438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2438 transitions. [2021-10-28 09:41:45,701 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2438 transitions. Word has length 189 [2021-10-28 09:41:45,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:45,701 INFO L470 AbstractCegarLoop]: Abstraction has 1696 states and 2438 transitions. [2021-10-28 09:41:45,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2438 transitions. [2021-10-28 09:41:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-10-28 09:41:45,707 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:45,708 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:45,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:41:45,708 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:45,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:45,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1798503547, now seen corresponding path program 1 times [2021-10-28 09:41:45,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:45,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052815935] [2021-10-28 09:41:45,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:45,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:41:45,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:45,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052815935] [2021-10-28 09:41:45,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052815935] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:45,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:45,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:45,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960829385] [2021-10-28 09:41:45,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:45,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:45,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:45,802 INFO L87 Difference]: Start difference. First operand 1696 states and 2438 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:46,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:46,706 INFO L93 Difference]: Finished difference Result 5017 states and 7221 transitions. [2021-10-28 09:41:46,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:46,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 201 [2021-10-28 09:41:46,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:46,728 INFO L225 Difference]: With dead ends: 5017 [2021-10-28 09:41:46,729 INFO L226 Difference]: Without dead ends: 3323 [2021-10-28 09:41:46,732 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:46,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2021-10-28 09:41:46,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3320. [2021-10-28 09:41:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3319 states have (on average 1.2853269056944863) internal successors, (4266), 3319 states have internal predecessors, (4266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4266 transitions. [2021-10-28 09:41:46,823 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4266 transitions. Word has length 201 [2021-10-28 09:41:46,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:46,823 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4266 transitions. [2021-10-28 09:41:46,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:46,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4266 transitions. [2021-10-28 09:41:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-28 09:41:46,832 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:46,832 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:46,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:41:46,833 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:46,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:46,834 INFO L85 PathProgramCache]: Analyzing trace with hash 559637913, now seen corresponding path program 1 times [2021-10-28 09:41:46,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:46,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497816995] [2021-10-28 09:41:46,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:46,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:41:46,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:46,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497816995] [2021-10-28 09:41:46,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497816995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:46,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:46,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:46,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573113762] [2021-10-28 09:41:46,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:46,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:46,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:46,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:46,937 INFO L87 Difference]: Start difference. First operand 3320 states and 4266 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:47,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:47,841 INFO L93 Difference]: Finished difference Result 8274 states and 10606 transitions. [2021-10-28 09:41:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:47,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 209 [2021-10-28 09:41:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:47,868 INFO L225 Difference]: With dead ends: 8274 [2021-10-28 09:41:47,868 INFO L226 Difference]: Without dead ends: 4956 [2021-10-28 09:41:47,873 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4956 states. [2021-10-28 09:41:48,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4956 to 4944. [2021-10-28 09:41:48,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4944 states, 4943 states have (on average 1.2413514060287274) internal successors, (6136), 4943 states have internal predecessors, (6136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 6136 transitions. [2021-10-28 09:41:48,034 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 6136 transitions. Word has length 209 [2021-10-28 09:41:48,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:48,035 INFO L470 AbstractCegarLoop]: Abstraction has 4944 states and 6136 transitions. [2021-10-28 09:41:48,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:48,036 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 6136 transitions. [2021-10-28 09:41:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-10-28 09:41:48,047 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:48,047 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:48,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:41:48,048 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:48,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:48,048 INFO L85 PathProgramCache]: Analyzing trace with hash -683074851, now seen corresponding path program 1 times [2021-10-28 09:41:48,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:48,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51322689] [2021-10-28 09:41:48,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:48,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:41:48,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:48,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51322689] [2021-10-28 09:41:48,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51322689] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:48,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:48,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:48,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972602482] [2021-10-28 09:41:48,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:48,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:48,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:48,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:48,165 INFO L87 Difference]: Start difference. First operand 4944 states and 6136 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:49,116 INFO L93 Difference]: Finished difference Result 13757 states and 17027 transitions. [2021-10-28 09:41:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:49,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 216 [2021-10-28 09:41:49,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:49,175 INFO L225 Difference]: With dead ends: 13757 [2021-10-28 09:41:49,175 INFO L226 Difference]: Without dead ends: 8815 [2021-10-28 09:41:49,182 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:49,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8815 states. [2021-10-28 09:41:49,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8815 to 8404. [2021-10-28 09:41:49,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8404 states, 8403 states have (on average 1.2023086992740688) internal successors, (10103), 8403 states have internal predecessors, (10103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8404 states to 8404 states and 10103 transitions. [2021-10-28 09:41:49,437 INFO L78 Accepts]: Start accepts. Automaton has 8404 states and 10103 transitions. Word has length 216 [2021-10-28 09:41:49,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:49,438 INFO L470 AbstractCegarLoop]: Abstraction has 8404 states and 10103 transitions. [2021-10-28 09:41:49,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 8404 states and 10103 transitions. [2021-10-28 09:41:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-10-28 09:41:49,458 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:49,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:49,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:41:49,459 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:49,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:49,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1594295388, now seen corresponding path program 1 times [2021-10-28 09:41:49,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:49,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025061297] [2021-10-28 09:41:49,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:49,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:49,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:49,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025061297] [2021-10-28 09:41:49,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025061297] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:49,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:49,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:41:49,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612391566] [2021-10-28 09:41:49,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:49,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:49,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:49,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:49,580 INFO L87 Difference]: Start difference. First operand 8404 states and 10103 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:50,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:50,539 INFO L93 Difference]: Finished difference Result 20288 states and 24388 transitions. [2021-10-28 09:41:50,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:50,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 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 222 [2021-10-28 09:41:50,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:50,646 INFO L225 Difference]: With dead ends: 20288 [2021-10-28 09:41:50,646 INFO L226 Difference]: Without dead ends: 11886 [2021-10-28 09:41:50,658 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:50,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11886 states. [2021-10-28 09:41:50,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11886 to 11875. [2021-10-28 09:41:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11875 states, 11874 states have (on average 1.1926899107293245) internal successors, (14162), 11874 states have internal predecessors, (14162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11875 states to 11875 states and 14162 transitions. [2021-10-28 09:41:50,957 INFO L78 Accepts]: Start accepts. Automaton has 11875 states and 14162 transitions. Word has length 222 [2021-10-28 09:41:50,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:50,958 INFO L470 AbstractCegarLoop]: Abstraction has 11875 states and 14162 transitions. [2021-10-28 09:41:50,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 11875 states and 14162 transitions. [2021-10-28 09:41:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-10-28 09:41:50,979 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:50,979 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:50,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:41:50,980 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:50,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:50,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1995182558, now seen corresponding path program 1 times [2021-10-28 09:41:50,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:50,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760110713] [2021-10-28 09:41:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:50,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:51,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:51,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760110713] [2021-10-28 09:41:51,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760110713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:51,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:51,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:51,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260108786] [2021-10-28 09:41:51,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:51,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:51,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:51,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:51,097 INFO L87 Difference]: Start difference. First operand 11875 states and 14162 transitions. Second operand has 4 states, 4 states have (on average 56.25) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:52,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:52,589 INFO L93 Difference]: Finished difference Result 23575 states and 28130 transitions. [2021-10-28 09:41:52,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:52,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.25) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2021-10-28 09:41:52,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:52,611 INFO L225 Difference]: With dead ends: 23575 [2021-10-28 09:41:52,612 INFO L226 Difference]: Without dead ends: 11905 [2021-10-28 09:41:52,623 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:52,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11905 states. [2021-10-28 09:41:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11905 to 10860. [2021-10-28 09:41:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10860 states, 10859 states have (on average 1.1978082696380883) internal successors, (13007), 10859 states have internal predecessors, (13007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10860 states to 10860 states and 13007 transitions. [2021-10-28 09:41:52,815 INFO L78 Accepts]: Start accepts. Automaton has 10860 states and 13007 transitions. Word has length 225 [2021-10-28 09:41:52,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:52,815 INFO L470 AbstractCegarLoop]: Abstraction has 10860 states and 13007 transitions. [2021-10-28 09:41:52,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.25) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand 10860 states and 13007 transitions. [2021-10-28 09:41:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-10-28 09:41:52,836 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:52,837 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:52,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:41:52,837 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:52,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:52,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1099774521, now seen corresponding path program 1 times [2021-10-28 09:41:52,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:52,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962208794] [2021-10-28 09:41:52,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:52,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:41:52,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:52,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962208794] [2021-10-28 09:41:52,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962208794] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:52,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853195982] [2021-10-28 09:41:52,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:52,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:52,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:52,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:52,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:41:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:53,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:41:53,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:41:53,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853195982] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:53,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:41:53,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 09:41:53,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900444761] [2021-10-28 09:41:53,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:53,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:53,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:53,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:41:53,924 INFO L87 Difference]: Start difference. First operand 10860 states and 13007 transitions. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:54,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:54,727 INFO L93 Difference]: Finished difference Result 21311 states and 25543 transitions. [2021-10-28 09:41:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:54,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 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 229 [2021-10-28 09:41:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:54,746 INFO L225 Difference]: With dead ends: 21311 [2021-10-28 09:41:54,746 INFO L226 Difference]: Without dead ends: 10656 [2021-10-28 09:41:54,756 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:41:54,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10656 states. [2021-10-28 09:41:54,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10656 to 10653. [2021-10-28 09:41:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10653 states, 10652 states have (on average 1.1931092752534735) internal successors, (12709), 10652 states have internal predecessors, (12709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:54,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10653 states to 10653 states and 12709 transitions. [2021-10-28 09:41:54,996 INFO L78 Accepts]: Start accepts. Automaton has 10653 states and 12709 transitions. Word has length 229 [2021-10-28 09:41:54,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:54,996 INFO L470 AbstractCegarLoop]: Abstraction has 10653 states and 12709 transitions. [2021-10-28 09:41:54,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 10653 states and 12709 transitions. [2021-10-28 09:41:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-28 09:41:55,017 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:55,018 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:55,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:55,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:55,231 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:55,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:55,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1282583405, now seen corresponding path program 1 times [2021-10-28 09:41:55,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:55,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544594454] [2021-10-28 09:41:55,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:55,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-28 09:41:55,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:55,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544594454] [2021-10-28 09:41:55,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544594454] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:55,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736848536] [2021-10-28 09:41:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:55,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:55,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:55,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:55,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:41:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:55,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:41:55,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-28 09:41:56,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736848536] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:56,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:41:56,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-28 09:41:56,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966238380] [2021-10-28 09:41:56,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:56,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:56,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:56,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:41:56,131 INFO L87 Difference]: Start difference. First operand 10653 states and 12709 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:56,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:56,680 INFO L93 Difference]: Finished difference Result 20862 states and 24885 transitions. [2021-10-28 09:41:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:56,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 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 232 [2021-10-28 09:41:56,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:56,699 INFO L225 Difference]: With dead ends: 20862 [2021-10-28 09:41:56,699 INFO L226 Difference]: Without dead ends: 10617 [2021-10-28 09:41:56,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:41:56,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10617 states. [2021-10-28 09:41:56,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10617 to 10617. [2021-10-28 09:41:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10617 states, 10616 states have (on average 1.183779201205727) internal successors, (12567), 10616 states have internal predecessors, (12567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10617 states to 10617 states and 12567 transitions. [2021-10-28 09:41:56,885 INFO L78 Accepts]: Start accepts. Automaton has 10617 states and 12567 transitions. Word has length 232 [2021-10-28 09:41:56,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:56,886 INFO L470 AbstractCegarLoop]: Abstraction has 10617 states and 12567 transitions. [2021-10-28 09:41:56,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 10617 states and 12567 transitions. [2021-10-28 09:41:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-10-28 09:41:56,913 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:56,914 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:41:56,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:57,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:57,127 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:57,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:57,127 INFO L85 PathProgramCache]: Analyzing trace with hash -4398077, now seen corresponding path program 1 times [2021-10-28 09:41:57,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:57,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629734790] [2021-10-28 09:41:57,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:57,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:41:57,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:57,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629734790] [2021-10-28 09:41:57,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629734790] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:57,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:57,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:57,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367196784] [2021-10-28 09:41:57,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:57,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:57,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:57,284 INFO L87 Difference]: Start difference. First operand 10617 states and 12567 transitions. Second operand has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:58,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:58,324 INFO L93 Difference]: Finished difference Result 25506 states and 30488 transitions. [2021-10-28 09:41:58,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:58,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2021-10-28 09:41:58,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:58,353 INFO L225 Difference]: With dead ends: 25506 [2021-10-28 09:41:58,353 INFO L226 Difference]: Without dead ends: 14282 [2021-10-28 09:41:58,366 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:58,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14282 states. [2021-10-28 09:41:58,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14282 to 13875. [2021-10-28 09:41:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13875 states, 13874 states have (on average 1.1182787948680986) internal successors, (15515), 13874 states have internal predecessors, (15515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13875 states to 13875 states and 15515 transitions. [2021-10-28 09:41:58,617 INFO L78 Accepts]: Start accepts. Automaton has 13875 states and 15515 transitions. Word has length 269 [2021-10-28 09:41:58,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:58,618 INFO L470 AbstractCegarLoop]: Abstraction has 13875 states and 15515 transitions. [2021-10-28 09:41:58,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 13875 states and 15515 transitions. [2021-10-28 09:41:58,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-10-28 09:41:58,649 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:58,649 INFO L513 BasicCegarLoop]: trace histogram [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, 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] [2021-10-28 09:41:58,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:41:58,650 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:58,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:58,651 INFO L85 PathProgramCache]: Analyzing trace with hash 662146073, now seen corresponding path program 1 times [2021-10-28 09:41:58,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:58,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526293896] [2021-10-28 09:41:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:58,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 94 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-10-28 09:41:58,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:58,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526293896] [2021-10-28 09:41:58,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526293896] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:41:58,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435007580] [2021-10-28 09:41:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:58,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:41:58,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:41:58,791 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:41:58,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:41:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:59,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:41:59,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:41:59,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435007580] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:59,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:41:59,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 09:41:59,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016079647] [2021-10-28 09:41:59,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:59,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:59,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:59,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:41:59,779 INFO L87 Difference]: Start difference. First operand 13875 states and 15515 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:00,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:00,627 INFO L93 Difference]: Finished difference Result 32420 states and 36570 transitions. [2021-10-28 09:42:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:00,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 290 [2021-10-28 09:42:00,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:00,652 INFO L225 Difference]: With dead ends: 32420 [2021-10-28 09:42:00,652 INFO L226 Difference]: Without dead ends: 18750 [2021-10-28 09:42:00,660 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:42:00,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18750 states. [2021-10-28 09:42:00,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18750 to 18341. [2021-10-28 09:42:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18341 states, 18340 states have (on average 1.0985278080697929) internal successors, (20147), 18340 states have internal predecessors, (20147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18341 states to 18341 states and 20147 transitions. [2021-10-28 09:42:00,911 INFO L78 Accepts]: Start accepts. Automaton has 18341 states and 20147 transitions. Word has length 290 [2021-10-28 09:42:00,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:00,911 INFO L470 AbstractCegarLoop]: Abstraction has 18341 states and 20147 transitions. [2021-10-28 09:42:00,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:00,912 INFO L276 IsEmpty]: Start isEmpty. Operand 18341 states and 20147 transitions. [2021-10-28 09:42:00,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-10-28 09:42:00,931 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:00,931 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:42:00,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:01,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 09:42:01,153 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:01,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:01,154 INFO L85 PathProgramCache]: Analyzing trace with hash -49254304, now seen corresponding path program 1 times [2021-10-28 09:42:01,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:01,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374538554] [2021-10-28 09:42:01,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:01,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:01,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:01,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374538554] [2021-10-28 09:42:01,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374538554] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:01,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:01,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:42:01,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114791784] [2021-10-28 09:42:01,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:01,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:01,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:01,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:01,312 INFO L87 Difference]: Start difference. First operand 18341 states and 20147 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 2 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:02,119 INFO L93 Difference]: Finished difference Result 38920 states and 42692 transitions. [2021-10-28 09:42:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:02,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 2 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 307 [2021-10-28 09:42:02,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:02,150 INFO L225 Difference]: With dead ends: 38920 [2021-10-28 09:42:02,150 INFO L226 Difference]: Without dead ends: 20784 [2021-10-28 09:42:02,160 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:02,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20784 states. [2021-10-28 09:42:02,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20784 to 20580. [2021-10-28 09:42:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20580 states, 20579 states have (on average 1.0953885028427037) internal successors, (22542), 20579 states have internal predecessors, (22542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20580 states to 20580 states and 22542 transitions. [2021-10-28 09:42:02,440 INFO L78 Accepts]: Start accepts. Automaton has 20580 states and 22542 transitions. Word has length 307 [2021-10-28 09:42:02,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:02,440 INFO L470 AbstractCegarLoop]: Abstraction has 20580 states and 22542 transitions. [2021-10-28 09:42:02,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 2 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 20580 states and 22542 transitions. [2021-10-28 09:42:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-10-28 09:42:02,458 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:02,458 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:02,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:42:02,459 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:02,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:02,460 INFO L85 PathProgramCache]: Analyzing trace with hash -2077874219, now seen corresponding path program 1 times [2021-10-28 09:42:02,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:02,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454906225] [2021-10-28 09:42:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:02,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:02,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:02,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454906225] [2021-10-28 09:42:02,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454906225] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:02,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:02,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:42:02,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461261453] [2021-10-28 09:42:02,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:42:02,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:02,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:42:02,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:42:02,720 INFO L87 Difference]: Start difference. First operand 20580 states and 22542 transitions. Second operand has 4 states, 4 states have (on average 78.5) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:03,751 INFO L93 Difference]: Finished difference Result 46236 states and 50407 transitions. [2021-10-28 09:42:03,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:42:03,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2021-10-28 09:42:03,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:03,784 INFO L225 Difference]: With dead ends: 46236 [2021-10-28 09:42:03,784 INFO L226 Difference]: Without dead ends: 25658 [2021-10-28 09:42:03,799 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:42:03,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25658 states. [2021-10-28 09:42:04,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25658 to 20783. [2021-10-28 09:42:04,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20783 states, 20782 states have (on average 1.093013184486575) internal successors, (22715), 20782 states have internal predecessors, (22715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20783 states to 20783 states and 22715 transitions. [2021-10-28 09:42:04,201 INFO L78 Accepts]: Start accepts. Automaton has 20783 states and 22715 transitions. Word has length 314 [2021-10-28 09:42:04,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:04,202 INFO L470 AbstractCegarLoop]: Abstraction has 20783 states and 22715 transitions. [2021-10-28 09:42:04,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 20783 states and 22715 transitions. [2021-10-28 09:42:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-10-28 09:42:04,227 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:04,228 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:04,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:42:04,228 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:04,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:04,229 INFO L85 PathProgramCache]: Analyzing trace with hash -485528884, now seen corresponding path program 1 times [2021-10-28 09:42:04,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:04,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439544598] [2021-10-28 09:42:04,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:04,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-28 09:42:04,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:04,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439544598] [2021-10-28 09:42:04,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439544598] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:04,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:04,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:42:04,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646293876] [2021-10-28 09:42:04,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:04,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:04,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:04,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:04,387 INFO L87 Difference]: Start difference. First operand 20783 states and 22715 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:05,101 INFO L93 Difference]: Finished difference Result 46052 states and 50525 transitions. [2021-10-28 09:42:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:05,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 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 335 [2021-10-28 09:42:05,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:05,123 INFO L225 Difference]: With dead ends: 46052 [2021-10-28 09:42:05,123 INFO L226 Difference]: Without dead ends: 25474 [2021-10-28 09:42:05,133 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:05,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25474 states. [2021-10-28 09:42:05,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25474 to 24443. [2021-10-28 09:42:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24443 states, 24442 states have (on average 1.0995826855412814) internal successors, (26876), 24442 states have internal predecessors, (26876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:05,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24443 states to 24443 states and 26876 transitions. [2021-10-28 09:42:05,461 INFO L78 Accepts]: Start accepts. Automaton has 24443 states and 26876 transitions. Word has length 335 [2021-10-28 09:42:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:05,461 INFO L470 AbstractCegarLoop]: Abstraction has 24443 states and 26876 transitions. [2021-10-28 09:42:05,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 24443 states and 26876 transitions. [2021-10-28 09:42:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-10-28 09:42:05,483 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:05,483 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 09:42:05,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:42:05,484 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:42:05,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:05,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1634769499, now seen corresponding path program 1 times [2021-10-28 09:42:05,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:05,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869342955] [2021-10-28 09:42:05,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:05,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2021-10-28 09:42:05,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:05,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869342955] [2021-10-28 09:42:05,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869342955] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:05,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562828458] [2021-10-28 09:42:05,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:05,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:05,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:05,619 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:05,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 09:42:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:06,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:42:06,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-10-28 09:42:06,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562828458] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:06,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:42:06,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 09:42:06,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918263043] [2021-10-28 09:42:06,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:06,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:06,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:06,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:42:06,894 INFO L87 Difference]: Start difference. First operand 24443 states and 26876 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:07,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:07,699 INFO L93 Difference]: Finished difference Result 48883 states and 53743 transitions. [2021-10-28 09:42:07,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:07,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 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 346 [2021-10-28 09:42:07,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:07,700 INFO L225 Difference]: With dead ends: 48883 [2021-10-28 09:42:07,700 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:42:07,713 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:42:07,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:42:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:42:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:07,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:42:07,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 346 [2021-10-28 09:42:07,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:07,714 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:42:07,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:07,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:42:07,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:42:07,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:42:07,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:07,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-28 09:42:07,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:42:07,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:08,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:08,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:08,656 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-28 09:42:08,656 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-28 09:42:08,656 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,656 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-28 09:42:08,656 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,656 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,656 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,656 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-28 09:42:08,657 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,658 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,659 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,660 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,661 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,662 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-28 09:42:08,663 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-28 09:42:08,664 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 09:42:08,665 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,666 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,666 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,666 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,666 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,666 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,666 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,666 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-28 09:42:08,668 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-28 09:42:08,668 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-28 09:42:08,669 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-28 09:42:08,669 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-28 09:42:08,669 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,669 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,669 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,670 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,670 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,670 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,670 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,670 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,670 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,671 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,671 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-28 09:42:08,671 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-28 09:42:08,671 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-28 09:42:08,671 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,671 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,671 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,672 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,672 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,672 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,672 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,672 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,672 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,673 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:42:08,673 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1588) no Hoare annotation was computed. [2021-10-28 09:42:08,674 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-28 09:42:08,674 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-28 09:42:08,674 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-28 09:42:08,674 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-28 09:42:08,675 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-28 09:42:08,675 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,675 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,675 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,675 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,675 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,675 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,676 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,676 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,676 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-28 09:42:08,676 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-28 09:42:08,676 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-28 09:42:08,676 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,676 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,677 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,677 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-28 09:42:08,678 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-28 09:42:08,678 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,678 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,678 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,678 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-28 09:42:08,678 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,678 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-28 09:42:08,679 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,679 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-28 09:42:08,679 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,679 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,679 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 09:42:08,679 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 09:42:08,680 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 09:42:08,680 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 09:42:08,680 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-28 09:42:08,680 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-28 09:42:08,680 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-28 09:42:08,680 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,680 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,681 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,681 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse5 (<= ~a26~0 0)) (.cse7 (= ~a3~0 0)) (.cse2 (<= ~a3~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse6 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (= ~a12~0 1)) (.cse3 (<= 1 ~a3~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~a6~0 0)) (and .cse0 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5) (and .cse6 .cse0 .cse1 .cse7) (and .cse0 .cse1 .cse3 .cse8) (and .cse6 .cse0 .cse8 .cse9 .cse7) (and .cse0 .cse4 .cse7) (and .cse0 .cse1 .cse8 .cse7) (and .cse0 .cse1 .cse5 .cse9 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse6 .cse0 .cse1 .cse3))) [2021-10-28 09:42:08,681 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,681 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,682 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,682 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-28 09:42:08,682 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-28 09:42:08,682 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,682 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,682 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,683 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 09:42:08,684 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,685 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse4 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse5 (<= ~a26~0 0)) (.cse7 (= ~a3~0 0)) (.cse2 (<= ~a3~0 1)) (.cse9 (not (= ~a11~0 1))) (.cse6 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (= ~a12~0 1)) (.cse3 (<= 1 ~a3~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~a6~0 0)) (and .cse0 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5) (and .cse6 .cse0 .cse1 .cse7) (and .cse0 .cse1 .cse3 .cse8) (and .cse6 .cse0 .cse8 .cse9 .cse7) (and .cse0 .cse4 .cse7) (and .cse0 .cse1 .cse8 .cse7) (and .cse0 .cse1 .cse5 .cse9 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse6 .cse0 .cse1 .cse3))) [2021-10-28 09:42:08,685 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,685 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,685 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,685 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,685 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-28 09:42:08,685 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-28 09:42:08,686 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-28 09:42:08,687 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,687 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-28 09:42:08,687 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,687 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,687 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-28 09:42:08,687 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,687 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,687 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,688 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,688 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,688 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-28 09:42:08,688 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,688 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-28 09:42:08,689 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-28 09:42:08,689 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-28 09:42:08,689 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,689 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,690 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,690 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,690 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,690 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,690 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,691 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:42:08,692 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,693 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,694 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,694 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,694 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,694 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 09:42:08,694 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 09:42:08,694 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,694 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-28 09:42:08,695 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-28 09:42:08,695 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-28 09:42:08,695 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,695 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,695 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,695 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,695 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-28 09:42:08,696 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-28 09:42:08,696 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-28 09:42:08,696 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,696 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,696 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 09:42:08,698 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:08,700 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:42:08,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:42:08 BoogieIcfgContainer [2021-10-28 09:42:08,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:42:08,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:42:08,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:42:08,721 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:42:08,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:41:41" (3/4) ... [2021-10-28 09:42:08,724 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:42:08,764 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:42:08,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:42:08,771 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:42:08,775 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:42:09,010 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:42:09,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:42:09,012 INFO L168 Benchmark]: Toolchain (without parser) took 31164.16 ms. Allocated memory was 94.4 MB in the beginning and 748.7 MB in the end (delta: 654.3 MB). Free memory was 53.9 MB in the beginning and 367.7 MB in the end (delta: -313.8 MB). Peak memory consumption was 339.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:09,012 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 64.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:42:09,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1178.01 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 53.6 MB in the beginning and 82.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:09,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.51 ms. Allocated memory is still 123.7 MB. Free memory was 82.9 MB in the beginning and 68.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:09,013 INFO L168 Benchmark]: Boogie Preprocessor took 108.57 ms. Allocated memory is still 123.7 MB. Free memory was 68.2 MB in the beginning and 57.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:09,014 INFO L168 Benchmark]: RCFGBuilder took 2021.01 ms. Allocated memory was 123.7 MB in the beginning and 190.8 MB in the end (delta: 67.1 MB). Free memory was 57.7 MB in the beginning and 112.6 MB in the end (delta: -54.8 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:09,014 INFO L168 Benchmark]: TraceAbstraction took 27390.85 ms. Allocated memory was 190.8 MB in the beginning and 748.7 MB in the end (delta: 557.8 MB). Free memory was 111.5 MB in the beginning and 404.4 MB in the end (delta: -292.9 MB). Peak memory consumption was 263.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:09,015 INFO L168 Benchmark]: Witness Printer took 289.68 ms. Allocated memory is still 748.7 MB. Free memory was 404.4 MB in the beginning and 367.7 MB in the end (delta: 36.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:09,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 64.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1178.01 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 53.6 MB in the beginning and 82.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.51 ms. Allocated memory is still 123.7 MB. Free memory was 82.9 MB in the beginning and 68.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.57 ms. Allocated memory is still 123.7 MB. Free memory was 68.2 MB in the beginning and 57.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2021.01 ms. Allocated memory was 123.7 MB in the beginning and 190.8 MB in the end (delta: 67.1 MB). Free memory was 57.7 MB in the beginning and 112.6 MB in the end (delta: -54.8 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27390.85 ms. Allocated memory was 190.8 MB in the beginning and 748.7 MB in the end (delta: 557.8 MB). Free memory was 111.5 MB in the beginning and 404.4 MB in the end (delta: -292.9 MB). Peak memory consumption was 263.9 MB. Max. memory is 16.1 GB. * Witness Printer took 289.68 ms. Allocated memory is still 748.7 MB. Free memory was 404.4 MB in the beginning and 367.7 MB in the end (delta: 36.7 MB). Peak memory consumption was 37.7 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: 1588]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.2s, OverallIterations: 16, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2464 SDtfs, 3718 SDslu, 360 SDs, 0 SdLazy, 10069 SolverSat, 1685 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1135 GetRequests, 1108 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24443occurred in iteration=15, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 8437 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 249 NumberOfFragments, 307 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7102 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 622 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 5048 NumberOfCodeBlocks, 5048 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 5028 ConstructedInterpolants, 0 QuantifiedInterpolants, 10344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2113 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 1975/1999 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a6 <= 0) || ((a5 == 1 && 1 <= a3) && a12 <= 0)) || (((a5 == 1 && a12 == 1) && 1 <= a3) && a26 <= 0)) || (((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 0)) || (((a5 == 1 && a12 == 1) && 1 <= a3) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a27 == 1) && !(a11 == 1)) && a3 == 0)) || ((a5 == 1 && a12 <= 0) && a3 == 0)) || (((a5 == 1 && a12 == 1) && a27 == 1) && a3 == 0)) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && !(a11 == 1)) && a3 == 0)) || ((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && !(a11 == 1))) || (((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a6 <= 0) || ((a5 == 1 && 1 <= a3) && a12 <= 0)) || (((a5 == 1 && a12 == 1) && 1 <= a3) && a26 <= 0)) || (((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 0)) || (((a5 == 1 && a12 == 1) && 1 <= a3) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a27 == 1) && !(a11 == 1)) && a3 == 0)) || ((a5 == 1 && a12 <= 0) && a3 == 0)) || (((a5 == 1 && a12 == 1) && a27 == 1) && a3 == 0)) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && !(a11 == 1)) && a3 == 0)) || ((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && !(a11 == 1))) || (((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:42:09,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb9c72-f835-477e-9161-a9e844da19c1/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...