./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX --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 36c4f398f3dd25e23888dcd464dc3e7bec605b7ae2926315db1bc9b1d50c18a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:38:14,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:38:14,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:38:14,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:38:14,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:38:14,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:38:14,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:38:14,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:38:14,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:38:14,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:38:14,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:38:14,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:38:14,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:38:14,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:38:14,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:38:14,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:38:14,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:38:14,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:38:14,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:38:14,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:38:14,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:38:14,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:38:14,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:38:14,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:38:14,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:38:14,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:38:14,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:38:14,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:38:14,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:38:14,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:38:14,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:38:14,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:38:14,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:38:14,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:38:14,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:38:14,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:38:14,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:38:14,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:38:14,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:38:14,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:38:14,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:38:14,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 09:38:14,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:38:14,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:38:14,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:38:14,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:38:14,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:38:14,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:38:14,694 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:38:14,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:38:14,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:38:14,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:38:14,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:38:14,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:38:14,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:38:14,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:38:14,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:38:14,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:38:14,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:38:14,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:38:14,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:38:14,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:38:14,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:38:14,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:38:14,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:38:14,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:38:14,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:38:14,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:38:14,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:38:14,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:38:14,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:38:14,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:38:14,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:38:14,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:38:14,701 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_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c4f398f3dd25e23888dcd464dc3e7bec605b7ae2926315db1bc9b1d50c18a1 [2021-11-09 09:38:14,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:38:14,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:38:14,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:38:14,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:38:14,985 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:38:14,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2021-11-09 09:38:15,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/data/701e95928/5ae9f1cb29d245e7bf73fe8bf5c8e0a4/FLAG2a304ee66 [2021-11-09 09:38:15,672 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:38:15,684 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2021-11-09 09:38:15,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/data/701e95928/5ae9f1cb29d245e7bf73fe8bf5c8e0a4/FLAG2a304ee66 [2021-11-09 09:38:15,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/data/701e95928/5ae9f1cb29d245e7bf73fe8bf5c8e0a4 [2021-11-09 09:38:15,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:38:15,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:38:15,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:38:15,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:38:15,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:38:15,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:38:15" (1/1) ... [2021-11-09 09:38:15,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ece34c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:15, skipping insertion in model container [2021-11-09 09:38:15,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:38:15" (1/1) ... [2021-11-09 09:38:15,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:38:15,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:38:16,267 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_79be8f9f-af52-4dc7-8b16-591ba2113e1f/sv-benchmarks/c/eca-rers2012/Problem14_label26.c[6725,6738] [2021-11-09 09:38:16,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:38:16,463 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:38:16,534 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_79be8f9f-af52-4dc7-8b16-591ba2113e1f/sv-benchmarks/c/eca-rers2012/Problem14_label26.c[6725,6738] [2021-11-09 09:38:16,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:38:16,670 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:38:16,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16 WrapperNode [2021-11-09 09:38:16,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:38:16,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:38:16,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:38:16,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:38:16,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:38:16,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:38:16,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:38:16,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:38:16,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:38:16,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:38:16,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:38:16,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:38:16,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (1/1) ... [2021-11-09 09:38:16,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:38:16,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:16,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:38:16,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:38:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:38:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:38:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:38:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:38:18,483 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:38:18,484 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 09:38:18,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:38:18 BoogieIcfgContainer [2021-11-09 09:38:18,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:38:18,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:38:18,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:38:18,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:38:18,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:38:15" (1/3) ... [2021-11-09 09:38:18,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f80bc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:38:18, skipping insertion in model container [2021-11-09 09:38:18,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:38:16" (2/3) ... [2021-11-09 09:38:18,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f80bc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:38:18, skipping insertion in model container [2021-11-09 09:38:18,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:38:18" (3/3) ... [2021-11-09 09:38:18,498 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label26.c [2021-11-09 09:38:18,503 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:38:18,504 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 09:38:18,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:38:18,569 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:38:18,569 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 09:38:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-09 09:38:18,606 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:18,606 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] [2021-11-09 09:38:18,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:18,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:18,612 INFO L85 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2021-11-09 09:38:18,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:18,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488953134] [2021-11-09 09:38:18,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:18,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:38:18,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:18,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488953134] [2021-11-09 09:38:18,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488953134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:18,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:18,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:38:18,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713144177] [2021-11-09 09:38:18,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:18,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:18,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:18,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:18,947 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 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 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:20,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:20,071 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2021-11-09 09:38:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:20,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-11-09 09:38:20,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:20,095 INFO L225 Difference]: With dead ends: 669 [2021-11-09 09:38:20,095 INFO L226 Difference]: Without dead ends: 360 [2021-11-09 09:38:20,103 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:20,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-11-09 09:38:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-11-09 09:38:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.5208913649025069) internal successors, (546), 359 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions. [2021-11-09 09:38:20,200 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 66 [2021-11-09 09:38:20,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:20,203 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions. [2021-11-09 09:38:20,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions. [2021-11-09 09:38:20,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-09 09:38:20,214 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:20,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:20,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:38:20,215 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:20,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:20,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1364898313, now seen corresponding path program 1 times [2021-11-09 09:38:20,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:20,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552851130] [2021-11-09 09:38:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:20,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:38:20,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:20,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552851130] [2021-11-09 09:38:20,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552851130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:20,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:20,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:38:20,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490895853] [2021-11-09 09:38:20,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:20,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:20,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:20,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:20,425 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:21,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:21,189 INFO L93 Difference]: Finished difference Result 1074 states and 1633 transitions. [2021-11-09 09:38:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:21,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2021-11-09 09:38:21,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:21,212 INFO L225 Difference]: With dead ends: 1074 [2021-11-09 09:38:21,212 INFO L226 Difference]: Without dead ends: 716 [2021-11-09 09:38:21,214 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-11-09 09:38:21,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2021-11-09 09:38:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.353846153846154) internal successors, (968), 715 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2021-11-09 09:38:21,250 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 141 [2021-11-09 09:38:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:21,251 INFO L470 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2021-11-09 09:38:21,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2021-11-09 09:38:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-09 09:38:21,254 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:21,255 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:21,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:38:21,255 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1093648019, now seen corresponding path program 1 times [2021-11-09 09:38:21,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:21,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472465304] [2021-11-09 09:38:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:21,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:38:21,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:21,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472465304] [2021-11-09 09:38:21,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472465304] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:21,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:21,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:21,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582024343] [2021-11-09 09:38:21,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:38:21,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:21,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:38:21,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:21,464 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:22,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:22,527 INFO L93 Difference]: Finished difference Result 1964 states and 2570 transitions. [2021-11-09 09:38:22,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:38:22,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2021-11-09 09:38:22,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:22,535 INFO L225 Difference]: With dead ends: 1964 [2021-11-09 09:38:22,535 INFO L226 Difference]: Without dead ends: 1250 [2021-11-09 09:38:22,536 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:38:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-11-09 09:38:22,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2021-11-09 09:38:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.2361889511609288) internal successors, (1544), 1249 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2021-11-09 09:38:22,569 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 145 [2021-11-09 09:38:22,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:22,570 INFO L470 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2021-11-09 09:38:22,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:22,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2021-11-09 09:38:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-09 09:38:22,575 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:22,575 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:22,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:38:22,576 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:22,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:22,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1032338879, now seen corresponding path program 1 times [2021-11-09 09:38:22,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:22,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884076071] [2021-11-09 09:38:22,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:22,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-09 09:38:22,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:22,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884076071] [2021-11-09 09:38:22,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884076071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:22,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:22,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:22,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104250903] [2021-11-09 09:38:22,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:38:22,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:22,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:38:22,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:22,751 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:23,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:23,541 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2021-11-09 09:38:23,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:38:23,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 [2021-11-09 09:38:23,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:23,553 INFO L225 Difference]: With dead ends: 2705 [2021-11-09 09:38:23,553 INFO L226 Difference]: Without dead ends: 1606 [2021-11-09 09:38:23,556 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:23,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-11-09 09:38:23,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2021-11-09 09:38:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.1221183800623054) internal successors, (1801), 1605 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:23,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2021-11-09 09:38:23,599 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 225 [2021-11-09 09:38:23,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:23,600 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2021-11-09 09:38:23,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2021-11-09 09:38:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-09 09:38:23,607 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:23,608 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:23,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:38:23,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:23,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:23,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1767683600, now seen corresponding path program 1 times [2021-11-09 09:38:23,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:23,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462187545] [2021-11-09 09:38:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:23,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 239 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-09 09:38:23,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:23,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462187545] [2021-11-09 09:38:23,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462187545] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:38:23,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587346201] [2021-11-09 09:38:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:23,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:23,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:23,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:23,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 09:38:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:24,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:38:24,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-09 09:38:25,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587346201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:25,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:38:25,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-09 09:38:25,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390982809] [2021-11-09 09:38:25,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:25,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:25,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:25,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:38:25,176 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:25,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:25,761 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2021-11-09 09:38:25,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:25,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 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 352 [2021-11-09 09:38:25,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:25,774 INFO L225 Difference]: With dead ends: 3388 [2021-11-09 09:38:25,774 INFO L226 Difference]: Without dead ends: 1962 [2021-11-09 09:38:25,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:38:25,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2021-11-09 09:38:25,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2021-11-09 09:38:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.1318003365114975) internal successors, (2018), 1783 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:25,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions. [2021-11-09 09:38:25,825 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 352 [2021-11-09 09:38:25,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:25,826 INFO L470 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions. [2021-11-09 09:38:25,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions. [2021-11-09 09:38:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-09 09:38:25,833 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:25,834 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:25,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:26,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:26,048 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:26,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:26,049 INFO L85 PathProgramCache]: Analyzing trace with hash 15987974, now seen corresponding path program 1 times [2021-11-09 09:38:26,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:26,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941158341] [2021-11-09 09:38:26,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:26,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-09 09:38:26,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:26,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941158341] [2021-11-09 09:38:26,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941158341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:26,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:26,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:26,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402089272] [2021-11-09 09:38:26,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:26,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:26,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:26,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:26,285 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:26,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:26,869 INFO L93 Difference]: Finished difference Result 3744 states and 4282 transitions. [2021-11-09 09:38:26,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:26,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 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 356 [2021-11-09 09:38:26,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:26,881 INFO L225 Difference]: With dead ends: 3744 [2021-11-09 09:38:26,882 INFO L226 Difference]: Without dead ends: 2140 [2021-11-09 09:38:26,884 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:26,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-11-09 09:38:26,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2021-11-09 09:38:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2139 states have (on average 1.1280972417017299) internal successors, (2413), 2139 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2413 transitions. [2021-11-09 09:38:26,941 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2413 transitions. Word has length 356 [2021-11-09 09:38:26,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:26,942 INFO L470 AbstractCegarLoop]: Abstraction has 2140 states and 2413 transitions. [2021-11-09 09:38:26,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2413 transitions. [2021-11-09 09:38:26,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-09 09:38:26,949 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:26,950 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2021-11-09 09:38:26,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 09:38:26,950 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:26,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:26,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1351643764, now seen corresponding path program 1 times [2021-11-09 09:38:26,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:26,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480422795] [2021-11-09 09:38:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:26,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-09 09:38:27,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:27,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480422795] [2021-11-09 09:38:27,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480422795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:27,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:27,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:27,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187280233] [2021-11-09 09:38:27,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:27,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:27,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:27,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:27,144 INFO L87 Difference]: Start difference. First operand 2140 states and 2413 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:27,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:27,762 INFO L93 Difference]: Finished difference Result 4634 states and 5295 transitions. [2021-11-09 09:38:27,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:27,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 383 [2021-11-09 09:38:27,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:27,777 INFO L225 Difference]: With dead ends: 4634 [2021-11-09 09:38:27,777 INFO L226 Difference]: Without dead ends: 2674 [2021-11-09 09:38:27,781 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:27,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2021-11-09 09:38:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2021-11-09 09:38:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2673 states have (on average 1.1208380097268986) internal successors, (2996), 2673 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2996 transitions. [2021-11-09 09:38:27,852 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2996 transitions. Word has length 383 [2021-11-09 09:38:27,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:27,852 INFO L470 AbstractCegarLoop]: Abstraction has 2674 states and 2996 transitions. [2021-11-09 09:38:27,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:27,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2996 transitions. [2021-11-09 09:38:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-11-09 09:38:27,861 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:27,861 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:27,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 09:38:27,861 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:27,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:27,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1246435889, now seen corresponding path program 1 times [2021-11-09 09:38:27,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:27,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831265372] [2021-11-09 09:38:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:27,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-09 09:38:28,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:28,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831265372] [2021-11-09 09:38:28,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831265372] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:28,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:28,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:28,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418964127] [2021-11-09 09:38:28,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:28,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:28,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:28,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:28,032 INFO L87 Difference]: Start difference. First operand 2674 states and 2996 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:28,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:28,644 INFO L93 Difference]: Finished difference Result 5524 states and 6281 transitions. [2021-11-09 09:38:28,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:28,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 390 [2021-11-09 09:38:28,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:28,659 INFO L225 Difference]: With dead ends: 5524 [2021-11-09 09:38:28,660 INFO L226 Difference]: Without dead ends: 3030 [2021-11-09 09:38:28,663 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:28,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-11-09 09:38:28,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2021-11-09 09:38:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2851 states have (on average 1.1417046650298142) internal successors, (3255), 2851 states have internal predecessors, (3255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3255 transitions. [2021-11-09 09:38:28,730 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3255 transitions. Word has length 390 [2021-11-09 09:38:28,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:28,730 INFO L470 AbstractCegarLoop]: Abstraction has 2852 states and 3255 transitions. [2021-11-09 09:38:28,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3255 transitions. [2021-11-09 09:38:28,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-11-09 09:38:28,740 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:28,740 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:28,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 09:38:28,741 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:28,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:28,741 INFO L85 PathProgramCache]: Analyzing trace with hash -654982799, now seen corresponding path program 1 times [2021-11-09 09:38:28,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:28,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51435979] [2021-11-09 09:38:28,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:28,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 470 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-09 09:38:28,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:28,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51435979] [2021-11-09 09:38:28,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51435979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:28,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:28,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:28,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892932324] [2021-11-09 09:38:28,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:28,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:28,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:28,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:28,903 INFO L87 Difference]: Start difference. First operand 2852 states and 3255 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:29,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:29,531 INFO L93 Difference]: Finished difference Result 6592 states and 7590 transitions. [2021-11-09 09:38:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:29,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 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 462 [2021-11-09 09:38:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:29,550 INFO L225 Difference]: With dead ends: 6592 [2021-11-09 09:38:29,550 INFO L226 Difference]: Without dead ends: 3920 [2021-11-09 09:38:29,554 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2021-11-09 09:38:29,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3920. [2021-11-09 09:38:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3920 states, 3919 states have (on average 1.137790252615463) internal successors, (4459), 3919 states have internal predecessors, (4459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4459 transitions. [2021-11-09 09:38:29,652 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4459 transitions. Word has length 462 [2021-11-09 09:38:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:29,653 INFO L470 AbstractCegarLoop]: Abstraction has 3920 states and 4459 transitions. [2021-11-09 09:38:29,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4459 transitions. [2021-11-09 09:38:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-09 09:38:29,660 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:29,660 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:29,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 09:38:29,661 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:29,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:29,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1033800595, now seen corresponding path program 1 times [2021-11-09 09:38:29,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:29,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211111461] [2021-11-09 09:38:29,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:29,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2021-11-09 09:38:29,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:29,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211111461] [2021-11-09 09:38:29,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211111461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:29,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:29,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:29,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743160537] [2021-11-09 09:38:29,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:38:29,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:29,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:38:29,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:29,889 INFO L87 Difference]: Start difference. First operand 3920 states and 4459 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:30,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:30,608 INFO L93 Difference]: Finished difference Result 7896 states and 8991 transitions. [2021-11-09 09:38:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:38:30,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 537 [2021-11-09 09:38:30,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:30,630 INFO L225 Difference]: With dead ends: 7896 [2021-11-09 09:38:30,630 INFO L226 Difference]: Without dead ends: 4098 [2021-11-09 09:38:30,635 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:30,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2021-11-09 09:38:30,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2021-11-09 09:38:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3920 states, 3919 states have (on average 1.0944118397550395) internal successors, (4289), 3919 states have internal predecessors, (4289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4289 transitions. [2021-11-09 09:38:30,746 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4289 transitions. Word has length 537 [2021-11-09 09:38:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:30,747 INFO L470 AbstractCegarLoop]: Abstraction has 3920 states and 4289 transitions. [2021-11-09 09:38:30,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4289 transitions. [2021-11-09 09:38:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-11-09 09:38:30,753 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:30,754 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:30,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-09 09:38:30,755 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:30,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:30,755 INFO L85 PathProgramCache]: Analyzing trace with hash 415759000, now seen corresponding path program 1 times [2021-11-09 09:38:30,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:30,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199448192] [2021-11-09 09:38:30,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:30,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 578 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-11-09 09:38:30,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:30,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199448192] [2021-11-09 09:38:30,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199448192] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:30,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:30,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:38:30,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325622050] [2021-11-09 09:38:30,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:38:30,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:30,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:38:30,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:30,985 INFO L87 Difference]: Start difference. First operand 3920 states and 4289 transitions. Second operand has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:31,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:31,975 INFO L93 Difference]: Finished difference Result 10152 states and 11194 transitions. [2021-11-09 09:38:31,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:38:31,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 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 545 [2021-11-09 09:38:31,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:32,020 INFO L225 Difference]: With dead ends: 10152 [2021-11-09 09:38:32,020 INFO L226 Difference]: Without dead ends: 6412 [2021-11-09 09:38:32,025 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:38:32,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6412 states. [2021-11-09 09:38:32,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6412 to 6234. [2021-11-09 09:38:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6234 states, 6233 states have (on average 1.0948179047007862) internal successors, (6824), 6233 states have internal predecessors, (6824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6234 states to 6234 states and 6824 transitions. [2021-11-09 09:38:32,211 INFO L78 Accepts]: Start accepts. Automaton has 6234 states and 6824 transitions. Word has length 545 [2021-11-09 09:38:32,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:32,212 INFO L470 AbstractCegarLoop]: Abstraction has 6234 states and 6824 transitions. [2021-11-09 09:38:32,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:32,213 INFO L276 IsEmpty]: Start isEmpty. Operand 6234 states and 6824 transitions. [2021-11-09 09:38:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-11-09 09:38:32,222 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:32,222 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:32,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-09 09:38:32,223 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:32,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:32,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1651640121, now seen corresponding path program 1 times [2021-11-09 09:38:32,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:32,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545159673] [2021-11-09 09:38:32,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:32,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 976 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-09 09:38:32,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:32,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545159673] [2021-11-09 09:38:32,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545159673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:32,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:38:32,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:38:32,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534181006] [2021-11-09 09:38:32,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:32,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:32,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:32,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:32,448 INFO L87 Difference]: Start difference. First operand 6234 states and 6824 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:33,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:33,020 INFO L93 Difference]: Finished difference Result 12288 states and 13467 transitions. [2021-11-09 09:38:33,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:33,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 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 599 [2021-11-09 09:38:33,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:33,038 INFO L225 Difference]: With dead ends: 12288 [2021-11-09 09:38:33,038 INFO L226 Difference]: Without dead ends: 6234 [2021-11-09 09:38:33,045 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:38:33,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states. [2021-11-09 09:38:33,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 6234. [2021-11-09 09:38:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6234 states, 6233 states have (on average 1.0739611743943527) internal successors, (6694), 6233 states have internal predecessors, (6694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6234 states to 6234 states and 6694 transitions. [2021-11-09 09:38:33,167 INFO L78 Accepts]: Start accepts. Automaton has 6234 states and 6694 transitions. Word has length 599 [2021-11-09 09:38:33,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:33,168 INFO L470 AbstractCegarLoop]: Abstraction has 6234 states and 6694 transitions. [2021-11-09 09:38:33,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6234 states and 6694 transitions. [2021-11-09 09:38:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2021-11-09 09:38:33,179 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:33,179 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:33,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 09:38:33,180 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:33,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:33,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1541670449, now seen corresponding path program 1 times [2021-11-09 09:38:33,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:33,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488610954] [2021-11-09 09:38:33,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:33,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1802 backedges. 1320 proven. 104 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-09 09:38:33,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:33,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488610954] [2021-11-09 09:38:33,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488610954] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:38:33,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599230287] [2021-11-09 09:38:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:33,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:33,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:33,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:33,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 09:38:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:33,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:38:33,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1802 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2021-11-09 09:38:35,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599230287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:35,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:38:35,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-09 09:38:35,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095990009] [2021-11-09 09:38:35,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:35,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:35,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:35,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:38:35,334 INFO L87 Difference]: Start difference. First operand 6234 states and 6694 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:35,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:35,850 INFO L93 Difference]: Finished difference Result 7660 states and 8176 transitions. [2021-11-09 09:38:35,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:35,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 676 [2021-11-09 09:38:35,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:35,870 INFO L225 Difference]: With dead ends: 7660 [2021-11-09 09:38:35,871 INFO L226 Difference]: Without dead ends: 7658 [2021-11-09 09:38:35,874 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 675 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:38:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7658 states. [2021-11-09 09:38:35,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7658 to 6234. [2021-11-09 09:38:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6234 states, 6233 states have (on average 1.0733194288464625) internal successors, (6690), 6233 states have internal predecessors, (6690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6234 states to 6234 states and 6690 transitions. [2021-11-09 09:38:35,991 INFO L78 Accepts]: Start accepts. Automaton has 6234 states and 6690 transitions. Word has length 676 [2021-11-09 09:38:35,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:35,992 INFO L470 AbstractCegarLoop]: Abstraction has 6234 states and 6690 transitions. [2021-11-09 09:38:35,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 6234 states and 6690 transitions. [2021-11-09 09:38:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2021-11-09 09:38:36,008 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:38:36,008 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:36,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:36,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-09 09:38:36,224 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:38:36,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:38:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1361029074, now seen corresponding path program 1 times [2021-11-09 09:38:36,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:38:36,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795488791] [2021-11-09 09:38:36,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:36,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:38:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1947 backedges. 1414 proven. 155 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2021-11-09 09:38:36,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:38:36,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795488791] [2021-11-09 09:38:36,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795488791] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:38:36,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41964596] [2021-11-09 09:38:36,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:38:36,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:38:36,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:38:36,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:38:36,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 09:38:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:38:37,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:38:37,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:38:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1947 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2021-11-09 09:38:38,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41964596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:38:38,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:38:38,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-09 09:38:38,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958607704] [2021-11-09 09:38:38,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:38:38,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:38:38,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:38:38,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:38:38,927 INFO L87 Difference]: Start difference. First operand 6234 states and 6690 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:39,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:38:39,490 INFO L93 Difference]: Finished difference Result 12286 states and 13198 transitions. [2021-11-09 09:38:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:38:39,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 810 [2021-11-09 09:38:39,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:38:39,494 INFO L225 Difference]: With dead ends: 12286 [2021-11-09 09:38:39,494 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 09:38:39,503 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 813 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:38:39,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 09:38:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 09:38:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 09:38:39,504 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 810 [2021-11-09 09:38:39,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:38:39,504 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:38:39,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:38:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:38:39,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 09:38:39,508 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 09:38:39,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:38:39,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-09 09:38:39,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 09:38:39,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:38:39,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:38:39,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:38:39,950 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-11-09 09:38:39,950 INFO L857 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2021-11-09 09:38:39,950 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-11-09 09:38:39,950 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-11-09 09:38:39,950 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-11-09 09:38:39,950 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,950 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,951 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,952 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,953 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-11-09 09:38:39,954 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-11-09 09:38:39,955 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-11-09 09:38:39,956 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-09 09:38:39,957 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-09 09:38:39,958 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-11-09 09:38:39,959 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-09 09:38:39,960 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 09:38:39,961 INFO L857 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-11-09 09:38:39,961 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2021-11-09 09:38:39,961 INFO L857 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-11-09 09:38:39,961 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-11-09 09:38:39,961 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-11-09 09:38:39,961 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-11-09 09:38:39,961 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,961 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-11-09 09:38:39,962 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,963 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,963 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,963 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-09 09:38:39,963 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-09 09:38:39,963 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-09 09:38:39,963 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-11-09 09:38:39,963 INFO L857 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-11-09 09:38:39,963 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-09 09:38:39,964 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-11-09 09:38:39,965 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-09 09:38:39,966 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-09 09:38:39,966 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-09 09:38:39,966 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-11-09 09:38:39,966 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-11-09 09:38:39,966 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-11-09 09:38:39,966 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-11-09 09:38:39,966 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,966 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-11-09 09:38:39,967 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-11-09 09:38:39,968 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,968 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,968 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-11-09 09:38:39,968 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-09 09:38:39,968 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-09 09:38:39,968 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-11-09 09:38:39,968 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-11-09 09:38:39,968 INFO L857 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-09 09:38:39,969 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-11-09 09:38:39,970 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-11-09 09:38:39,970 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-11-09 09:38:39,970 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,970 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,970 INFO L853 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 7))) (or (and (<= 7 ~a15~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse0 (< 11 ~a12~0)) (and (<= ~a15~0 8) .cse1 (<= (+ 49 ~a12~0) 0)) (and .cse0 .cse1))) [2021-11-09 09:38:39,970 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-11-09 09:38:39,970 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-11-09 09:38:39,971 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-09 09:38:39,971 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-09 09:38:39,971 INFO L857 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-11-09 09:38:39,971 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-11-09 09:38:39,971 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-11-09 09:38:39,971 INFO L857 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-11-09 09:38:39,971 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,971 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,972 INFO L860 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-11-09 09:38:39,972 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-11-09 09:38:39,972 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-11-09 09:38:39,972 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-09 09:38:39,972 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-09 09:38:39,972 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-11-09 09:38:39,972 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-11-09 09:38:39,972 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-11-09 09:38:39,972 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,973 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,973 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 09:38:39,973 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-11-09 09:38:39,973 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-11-09 09:38:39,973 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-09 09:38:39,973 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-09 09:38:39,973 INFO L857 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-11-09 09:38:39,973 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-11-09 09:38:39,974 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,974 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,974 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-11-09 09:38:39,974 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,974 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-11-09 09:38:39,974 INFO L853 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 7))) (or (and (<= 7 ~a15~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse0 (< 11 ~a12~0)) (and (<= ~a15~0 8) .cse1 (<= (+ 49 ~a12~0) 0)) (and .cse0 .cse1))) [2021-11-09 09:38:39,974 INFO L857 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-11-09 09:38:39,974 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-11-09 09:38:39,975 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-09 09:38:39,975 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-09 09:38:39,975 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-11-09 09:38:39,975 INFO L857 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-11-09 09:38:39,975 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-11-09 09:38:39,975 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-11-09 09:38:39,975 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-11-09 09:38:39,975 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,976 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,976 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-11-09 09:38:39,976 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-11-09 09:38:39,976 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-09 09:38:39,976 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-09 09:38:39,976 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-09 09:38:39,979 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:38:39,980 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:38:40,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:38:40 BoogieIcfgContainer [2021-11-09 09:38:40,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:38:40,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:38:40,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:38:40,004 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:38:40,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:38:18" (3/4) ... [2021-11-09 09:38:40,008 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 09:38:40,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-09 09:38:40,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-09 09:38:40,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:38:40,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:38:40,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 09:38:40,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:38:40,203 INFO L168 Benchmark]: Toolchain (without parser) took 24314.14 ms. Allocated memory was 98.6 MB in the beginning and 331.4 MB in the end (delta: 232.8 MB). Free memory was 62.2 MB in the beginning and 114.8 MB in the end (delta: -52.7 MB). Peak memory consumption was 179.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:38:40,205 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 69.6 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:38:40,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.29 ms. Allocated memory is still 98.6 MB. Free memory was 61.9 MB in the beginning and 52.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:38:40,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.04 ms. Allocated memory is still 98.6 MB. Free memory was 52.1 MB in the beginning and 42.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:38:40,207 INFO L168 Benchmark]: Boogie Preprocessor took 109.16 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 42.5 MB in the beginning and 95.2 MB in the end (delta: -52.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-11-09 09:38:40,207 INFO L168 Benchmark]: RCFGBuilder took 1591.91 ms. Allocated memory is still 125.8 MB. Free memory was 95.2 MB in the beginning and 73.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. [2021-11-09 09:38:40,208 INFO L168 Benchmark]: TraceAbstraction took 21511.39 ms. Allocated memory was 125.8 MB in the beginning and 331.4 MB in the end (delta: 205.5 MB). Free memory was 72.5 MB in the beginning and 133.7 MB in the end (delta: -61.2 MB). Peak memory consumption was 143.0 MB. Max. memory is 16.1 GB. [2021-11-09 09:38:40,208 INFO L168 Benchmark]: Witness Printer took 197.88 ms. Allocated memory is still 331.4 MB. Free memory was 133.7 MB in the beginning and 114.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-09 09:38:40,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 69.6 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 781.29 ms. Allocated memory is still 98.6 MB. Free memory was 61.9 MB in the beginning and 52.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.04 ms. Allocated memory is still 98.6 MB. Free memory was 52.1 MB in the beginning and 42.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.16 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 42.5 MB in the beginning and 95.2 MB in the end (delta: -52.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1591.91 ms. Allocated memory is still 125.8 MB. Free memory was 95.2 MB in the beginning and 73.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21511.39 ms. Allocated memory was 125.8 MB in the beginning and 331.4 MB in the end (delta: 205.5 MB). Free memory was 72.5 MB in the beginning and 133.7 MB in the end (delta: -61.2 MB). Peak memory consumption was 143.0 MB. Max. memory is 16.1 GB. * Witness Printer took 197.88 ms. Allocated memory is still 331.4 MB. Free memory was 133.7 MB in the beginning and 114.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 212]: 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, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 14, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1672 SDtfs, 1968 SDslu, 82 SDs, 0 SdLazy, 7845 SolverSat, 1093 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1881 GetRequests, 1853 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6234occurred in iteration=11, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 2136 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 79 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2024 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 7525 NumberOfCodeBlocks, 7525 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7508 ConstructedInterpolants, 0 QuantifiedInterpolants, 20685 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2378 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 13979/14368 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: 30]: Loop Invariant Derived loop invariant: ((((7 <= a15 && a24 == 1) || (9 <= a21 && a24 == 1)) || (a24 == 1 && 11 < a12)) || ((a15 <= 8 && a21 <= 7) && 49 + a12 <= 0)) || (a24 == 1 && a21 <= 7) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((7 <= a15 && a24 == 1) || (9 <= a21 && a24 == 1)) || (a24 == 1 && 11 < a12)) || ((a15 <= 8 && a21 <= 7) && 49 + a12 <= 0)) || (a24 == 1 && a21 <= 7) RESULT: Ultimate proved your program to be correct! [2021-11-09 09:38:40,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79be8f9f-af52-4dc7-8b16-591ba2113e1f/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE