./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8 --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 70ecb2446f57553abe7468e1f232296cdba8856c774fb79cc62538ced35b338d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:48:20,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:48:20,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:48:20,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:48:20,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:48:20,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:48:20,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:48:20,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:48:20,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:48:20,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:48:20,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:48:20,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:48:20,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:48:20,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:48:20,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:48:20,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:48:20,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:48:20,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:48:20,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:48:20,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:48:20,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:48:20,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:48:20,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:48:20,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:48:20,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:48:20,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:48:20,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:48:20,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:48:20,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:48:20,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:48:20,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:48:20,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:48:20,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:48:20,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:48:20,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:48:20,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:48:20,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:48:20,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:48:20,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:48:20,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:48:20,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:48:20,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 21:48:20,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:48:20,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:48:20,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:48:20,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:48:20,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:48:20,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:48:20,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:48:20,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:48:20,797 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:48:20,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:48:20,797 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:48:20,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:48:20,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:48:20,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:48:20,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:48:20,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:48:20,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:48:20,798 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:48:20,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:48:20,798 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:48:20,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:48:20,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:48:20,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:48:20,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:48:20,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:48:20,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:48:20,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:48:20,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:48:20,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:48:20,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:48:20,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:48:20,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:48:20,800 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:48:20,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:48:20,800 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:48:20,800 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70ecb2446f57553abe7468e1f232296cdba8856c774fb79cc62538ced35b338d [2022-12-13 21:48:20,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:48:20,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:48:20,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:48:20,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:48:20,984 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:48:20,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2022-12-13 21:48:23,589 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:48:23,769 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:48:23,770 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2022-12-13 21:48:23,777 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/data/5dcad77be/e0260a77281548f787dfedec4fa5367e/FLAG6a199d974 [2022-12-13 21:48:23,788 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/data/5dcad77be/e0260a77281548f787dfedec4fa5367e [2022-12-13 21:48:23,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:48:23,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:48:23,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:48:23,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:48:23,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:48:23,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:48:23" (1/1) ... [2022-12-13 21:48:23,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab65945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:23, skipping insertion in model container [2022-12-13 21:48:23,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:48:23" (1/1) ... [2022-12-13 21:48:23,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:48:23,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:48:24,022 WARN L237 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_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/sv-benchmarks/c/eca-rers2012/Problem10_label27.c[6867,6880] [2022-12-13 21:48:24,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:48:24,132 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:48:24,158 WARN L237 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_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/sv-benchmarks/c/eca-rers2012/Problem10_label27.c[6867,6880] [2022-12-13 21:48:24,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:48:24,231 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:48:24,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24 WrapperNode [2022-12-13 21:48:24,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:48:24,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:48:24,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:48:24,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:48:24,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,303 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-13 21:48:24,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:48:24,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:48:24,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:48:24,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:48:24,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,358 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:48:24,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:48:24,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:48:24,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:48:24,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (1/1) ... [2022-12-13 21:48:24,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:48:24,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:48:24,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:48:24,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:48:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:48:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:48:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:48:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:48:24,529 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:48:24,530 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:48:25,357 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:48:25,366 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:48:25,366 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 21:48:25,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:48:25 BoogieIcfgContainer [2022-12-13 21:48:25,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:48:25,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:48:25,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:48:25,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:48:25,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:48:23" (1/3) ... [2022-12-13 21:48:25,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c21961f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:48:25, skipping insertion in model container [2022-12-13 21:48:25,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:24" (2/3) ... [2022-12-13 21:48:25,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c21961f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:48:25, skipping insertion in model container [2022-12-13 21:48:25,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:48:25" (3/3) ... [2022-12-13 21:48:25,377 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label27.c [2022-12-13 21:48:25,395 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:48:25,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:48:25,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:48:25,447 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@531b4c89, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:48:25,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:48:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:25,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 21:48:25,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:25,459 INFO L195 NwaCegarLoop]: 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] [2022-12-13 21:48:25,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:25,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:25,463 INFO L85 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2022-12-13 21:48:25,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:25,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768851731] [2022-12-13 21:48:25,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:25,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:48:25,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:25,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768851731] [2022-12-13 21:48:25,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768851731] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:25,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:25,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:25,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237465604] [2022-12-13 21:48:25,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:25,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:48:25,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:25,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:48:25,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:48:25,879 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:26,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:26,897 INFO L93 Difference]: Finished difference Result 696 states and 1248 transitions. [2022-12-13 21:48:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:48:26,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-12-13 21:48:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:26,912 INFO L225 Difference]: With dead ends: 696 [2022-12-13 21:48:26,912 INFO L226 Difference]: Without dead ends: 421 [2022-12-13 21:48:26,915 INFO L412 NwaCegarLoop]: 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 [2022-12-13 21:48:26,919 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 432 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:26,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 44 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 21:48:26,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-12-13 21:48:26,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-12-13 21:48:26,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 420 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2022-12-13 21:48:26,969 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 60 [2022-12-13 21:48:26,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:26,970 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2022-12-13 21:48:26,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2022-12-13 21:48:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-13 21:48:26,976 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:26,976 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:26,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:48:26,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:26,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:26,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1646029236, now seen corresponding path program 1 times [2022-12-13 21:48:26,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:26,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351413237] [2022-12-13 21:48:26,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:26,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:48:27,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:27,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351413237] [2022-12-13 21:48:27,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351413237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:27,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:27,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:27,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904553147] [2022-12-13 21:48:27,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:27,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:48:27,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:27,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:48:27,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:48:27,323 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:27,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:27,754 INFO L93 Difference]: Finished difference Result 706 states and 1016 transitions. [2022-12-13 21:48:27,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:48:27,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 178 [2022-12-13 21:48:27,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:27,756 INFO L225 Difference]: With dead ends: 706 [2022-12-13 21:48:27,757 INFO L226 Difference]: Without dead ends: 426 [2022-12-13 21:48:27,758 INFO L412 NwaCegarLoop]: 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 [2022-12-13 21:48:27,758 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 93 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:27,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 92 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:48:27,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2022-12-13 21:48:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 421. [2022-12-13 21:48:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3714285714285714) internal successors, (576), 420 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 576 transitions. [2022-12-13 21:48:27,772 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 576 transitions. Word has length 178 [2022-12-13 21:48:27,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:27,773 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 576 transitions. [2022-12-13 21:48:27,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 576 transitions. [2022-12-13 21:48:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-12-13 21:48:27,775 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:27,775 INFO L195 NwaCegarLoop]: 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, 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] [2022-12-13 21:48:27,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:48:27,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash -863568004, now seen corresponding path program 1 times [2022-12-13 21:48:27,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:27,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862931753] [2022-12-13 21:48:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:48:28,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:28,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862931753] [2022-12-13 21:48:28,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862931753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:28,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:28,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:28,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212174248] [2022-12-13 21:48:28,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:28,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:48:28,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:28,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:48:28,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:28,048 INFO L87 Difference]: Start difference. First operand 421 states and 576 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:28,452 INFO L93 Difference]: Finished difference Result 840 states and 1220 transitions. [2022-12-13 21:48:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:48:28,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2022-12-13 21:48:28,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:28,454 INFO L225 Difference]: With dead ends: 840 [2022-12-13 21:48:28,455 INFO L226 Difference]: Without dead ends: 560 [2022-12-13 21:48:28,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:28,456 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:28,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 19 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:48:28,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-12-13 21:48:28,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2022-12-13 21:48:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3774597495527727) internal successors, (770), 559 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 770 transitions. [2022-12-13 21:48:28,469 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 770 transitions. Word has length 204 [2022-12-13 21:48:28,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:28,469 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 770 transitions. [2022-12-13 21:48:28,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 770 transitions. [2022-12-13 21:48:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-12-13 21:48:28,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:28,472 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:28,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:48:28,473 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:28,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:28,473 INFO L85 PathProgramCache]: Analyzing trace with hash 106569812, now seen corresponding path program 1 times [2022-12-13 21:48:28,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:28,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241101330] [2022-12-13 21:48:28,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:28,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:48:28,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:28,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241101330] [2022-12-13 21:48:28,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241101330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:28,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:28,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:28,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454407921] [2022-12-13 21:48:28,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:28,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:48:28,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:28,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:48:28,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:28,607 INFO L87 Difference]: Start difference. First operand 560 states and 770 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:28,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:28,987 INFO L93 Difference]: Finished difference Result 1257 states and 1803 transitions. [2022-12-13 21:48:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:48:28,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 220 [2022-12-13 21:48:28,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:28,990 INFO L225 Difference]: With dead ends: 1257 [2022-12-13 21:48:28,990 INFO L226 Difference]: Without dead ends: 838 [2022-12-13 21:48:28,990 INFO L412 NwaCegarLoop]: 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 [2022-12-13 21:48:28,991 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 52 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:28,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 213 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:48:28,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2022-12-13 21:48:29,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2022-12-13 21:48:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2771804062126644) internal successors, (1069), 837 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1069 transitions. [2022-12-13 21:48:29,004 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1069 transitions. Word has length 220 [2022-12-13 21:48:29,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:29,004 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1069 transitions. [2022-12-13 21:48:29,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1069 transitions. [2022-12-13 21:48:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-12-13 21:48:29,008 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:29,008 INFO L195 NwaCegarLoop]: 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, 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] [2022-12-13 21:48:29,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:48:29,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:29,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:29,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1466376222, now seen corresponding path program 1 times [2022-12-13 21:48:29,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:29,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963584229] [2022-12-13 21:48:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:29,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:48:29,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:29,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963584229] [2022-12-13 21:48:29,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963584229] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:29,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:29,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:48:29,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976888330] [2022-12-13 21:48:29,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:29,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:48:29,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:29,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:48:29,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:48:29,311 INFO L87 Difference]: Start difference. First operand 838 states and 1069 transitions. Second operand has 7 states, 7 states have (on average 32.42857142857143) internal successors, (227), 6 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:29,667 INFO L93 Difference]: Finished difference Result 1590 states and 2047 transitions. [2022-12-13 21:48:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:48:29,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.42857142857143) internal successors, (227), 6 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2022-12-13 21:48:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:29,671 INFO L225 Difference]: With dead ends: 1590 [2022-12-13 21:48:29,671 INFO L226 Difference]: Without dead ends: 838 [2022-12-13 21:48:29,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:48:29,674 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 142 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:29,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 20 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 21:48:29,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2022-12-13 21:48:29,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2022-12-13 21:48:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2724014336917562) internal successors, (1065), 837 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1065 transitions. [2022-12-13 21:48:29,701 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1065 transitions. Word has length 229 [2022-12-13 21:48:29,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:29,701 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1065 transitions. [2022-12-13 21:48:29,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.42857142857143) internal successors, (227), 6 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1065 transitions. [2022-12-13 21:48:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-12-13 21:48:29,706 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:29,707 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 21:48:29,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:48:29,707 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:29,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:29,708 INFO L85 PathProgramCache]: Analyzing trace with hash 584621320, now seen corresponding path program 1 times [2022-12-13 21:48:29,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:29,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829837828] [2022-12-13 21:48:29,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:29,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:30,052 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:48:30,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:30,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829837828] [2022-12-13 21:48:30,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829837828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:30,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:30,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:30,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439280246] [2022-12-13 21:48:30,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:30,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:48:30,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:30,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:48:30,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:30,055 INFO L87 Difference]: Start difference. First operand 838 states and 1065 transitions. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:30,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:30,439 INFO L93 Difference]: Finished difference Result 1674 states and 2188 transitions. [2022-12-13 21:48:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:48:30,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 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 265 [2022-12-13 21:48:30,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:30,441 INFO L225 Difference]: With dead ends: 1674 [2022-12-13 21:48:30,441 INFO L226 Difference]: Without dead ends: 977 [2022-12-13 21:48:30,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:30,443 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 74 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:30,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 14 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:48:30,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-12-13 21:48:30,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2022-12-13 21:48:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.283811475409836) internal successors, (1253), 976 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1253 transitions. [2022-12-13 21:48:30,457 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1253 transitions. Word has length 265 [2022-12-13 21:48:30,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:30,458 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1253 transitions. [2022-12-13 21:48:30,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1253 transitions. [2022-12-13 21:48:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-12-13 21:48:30,460 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:30,460 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 21:48:30,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:48:30,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:30,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:30,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1141381425, now seen corresponding path program 1 times [2022-12-13 21:48:30,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:30,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511282483] [2022-12-13 21:48:30,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:30,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 130 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:48:30,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:30,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511282483] [2022-12-13 21:48:30,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511282483] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:48:30,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421397443] [2022-12-13 21:48:30,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:30,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:48:30,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:48:30,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:48:30,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 21:48:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:30,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:48:30,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:48:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-12-13 21:48:31,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:48:31,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421397443] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:31,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:48:31,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 21:48:31,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649316963] [2022-12-13 21:48:31,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:31,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:48:31,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:31,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:48:31,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:48:31,223 INFO L87 Difference]: Start difference. First operand 977 states and 1253 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:31,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:31,618 INFO L93 Difference]: Finished difference Result 1952 states and 2559 transitions. [2022-12-13 21:48:31,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:48:31,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 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 287 [2022-12-13 21:48:31,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:31,621 INFO L225 Difference]: With dead ends: 1952 [2022-12-13 21:48:31,621 INFO L226 Difference]: Without dead ends: 1116 [2022-12-13 21:48:31,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:48:31,623 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 60 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:31,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 34 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:48:31,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2022-12-13 21:48:31,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2022-12-13 21:48:31,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2116591928251121) internal successors, (1351), 1115 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:31,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1351 transitions. [2022-12-13 21:48:31,644 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1351 transitions. Word has length 287 [2022-12-13 21:48:31,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:31,644 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1351 transitions. [2022-12-13 21:48:31,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1351 transitions. [2022-12-13 21:48:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-12-13 21:48:31,647 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:31,648 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:31,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:48:31,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:48:31,849 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:31,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:31,849 INFO L85 PathProgramCache]: Analyzing trace with hash 71821814, now seen corresponding path program 1 times [2022-12-13 21:48:31,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:31,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159969742] [2022-12-13 21:48:31,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:31,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-12-13 21:48:32,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:32,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159969742] [2022-12-13 21:48:32,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159969742] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:32,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:32,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:32,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996504703] [2022-12-13 21:48:32,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:32,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:48:32,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:32,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:48:32,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:32,025 INFO L87 Difference]: Start difference. First operand 1116 states and 1351 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:32,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:32,375 INFO L93 Difference]: Finished difference Result 2369 states and 2928 transitions. [2022-12-13 21:48:32,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:48:32,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 332 [2022-12-13 21:48:32,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:32,378 INFO L225 Difference]: With dead ends: 2369 [2022-12-13 21:48:32,378 INFO L226 Difference]: Without dead ends: 1394 [2022-12-13 21:48:32,379 INFO L412 NwaCegarLoop]: 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 [2022-12-13 21:48:32,380 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 95 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:32,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 190 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 21:48:32,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2022-12-13 21:48:32,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2022-12-13 21:48:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.2001594896331738) internal successors, (1505), 1254 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1505 transitions. [2022-12-13 21:48:32,397 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1505 transitions. Word has length 332 [2022-12-13 21:48:32,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:32,398 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 1505 transitions. [2022-12-13 21:48:32,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1505 transitions. [2022-12-13 21:48:32,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-12-13 21:48:32,400 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:32,400 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:32,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:48:32,401 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:32,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:32,401 INFO L85 PathProgramCache]: Analyzing trace with hash 57024807, now seen corresponding path program 1 times [2022-12-13 21:48:32,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:32,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342135175] [2022-12-13 21:48:32,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:32,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2022-12-13 21:48:32,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:32,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342135175] [2022-12-13 21:48:32,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342135175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:32,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:32,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:32,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822748024] [2022-12-13 21:48:32,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:32,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:48:32,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:32,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:48:32,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:32,594 INFO L87 Difference]: Start difference. First operand 1255 states and 1505 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:32,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:32,921 INFO L93 Difference]: Finished difference Result 3342 states and 4026 transitions. [2022-12-13 21:48:32,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:48:32,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 338 [2022-12-13 21:48:32,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:32,926 INFO L225 Difference]: With dead ends: 3342 [2022-12-13 21:48:32,926 INFO L226 Difference]: Without dead ends: 2228 [2022-12-13 21:48:32,927 INFO L412 NwaCegarLoop]: 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 [2022-12-13 21:48:32,927 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 86 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:32,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 190 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 21:48:32,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-12-13 21:48:32,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1950. [2022-12-13 21:48:32,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1950 states, 1949 states have (on average 1.1990764494612622) internal successors, (2337), 1949 states have internal predecessors, (2337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2337 transitions. [2022-12-13 21:48:32,954 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2337 transitions. Word has length 338 [2022-12-13 21:48:32,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:32,955 INFO L495 AbstractCegarLoop]: Abstraction has 1950 states and 2337 transitions. [2022-12-13 21:48:32,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2337 transitions. [2022-12-13 21:48:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-12-13 21:48:32,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:32,959 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:32,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 21:48:32,959 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:32,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:32,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1557017880, now seen corresponding path program 1 times [2022-12-13 21:48:32,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:32,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639157248] [2022-12-13 21:48:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:32,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-12-13 21:48:33,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:33,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639157248] [2022-12-13 21:48:33,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639157248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:33,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:33,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:33,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404883382] [2022-12-13 21:48:33,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:33,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:48:33,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:33,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:48:33,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:33,100 INFO L87 Difference]: Start difference. First operand 1950 states and 2337 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:33,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:33,440 INFO L93 Difference]: Finished difference Result 4593 states and 5515 transitions. [2022-12-13 21:48:33,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:48:33,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 355 [2022-12-13 21:48:33,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:33,447 INFO L225 Difference]: With dead ends: 4593 [2022-12-13 21:48:33,447 INFO L226 Difference]: Without dead ends: 2784 [2022-12-13 21:48:33,448 INFO L412 NwaCegarLoop]: 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 [2022-12-13 21:48:33,448 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 27 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:33,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 200 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 21:48:33,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2022-12-13 21:48:33,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2645. [2022-12-13 21:48:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 2644 states have (on average 1.1770045385779122) internal successors, (3112), 2644 states have internal predecessors, (3112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3112 transitions. [2022-12-13 21:48:33,481 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3112 transitions. Word has length 355 [2022-12-13 21:48:33,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:33,482 INFO L495 AbstractCegarLoop]: Abstraction has 2645 states and 3112 transitions. [2022-12-13 21:48:33,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:33,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3112 transitions. [2022-12-13 21:48:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-12-13 21:48:33,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:48:33,486 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:33,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 21:48:33,486 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:48:33,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:33,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1442960892, now seen corresponding path program 1 times [2022-12-13 21:48:33,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:33,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759442521] [2022-12-13 21:48:33,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:33,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-12-13 21:48:33,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:33,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759442521] [2022-12-13 21:48:33,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759442521] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:33,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:33,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:48:33,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923359023] [2022-12-13 21:48:33,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:33,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:48:33,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:33,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:48:33,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:48:33,882 INFO L87 Difference]: Start difference. First operand 2645 states and 3112 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:34,266 INFO L93 Difference]: Finished difference Result 3618 states and 4321 transitions. [2022-12-13 21:48:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:48:34,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 368 [2022-12-13 21:48:34,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:48:34,267 INFO L225 Difference]: With dead ends: 3618 [2022-12-13 21:48:34,268 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 21:48:34,270 INFO L412 NwaCegarLoop]: 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 [2022-12-13 21:48:34,270 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 88 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:48:34,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 44 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:48:34,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 21:48:34,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 21:48:34,271 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) [2022-12-13 21:48:34,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 21:48:34,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 368 [2022-12-13 21:48:34,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:48:34,272 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:48:34,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:48:34,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:48:34,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 21:48:34,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:48:34,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 21:48:34,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 21:48:34,670 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2022-12-13 21:48:34,670 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2022-12-13 21:48:34,670 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2022-12-13 21:48:34,670 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2022-12-13 21:48:34,671 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2022-12-13 21:48:34,672 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2022-12-13 21:48:34,673 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2022-12-13 21:48:34,674 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-12-13 21:48:34,675 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,676 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-12-13 21:48:34,677 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,678 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2022-12-13 21:48:34,679 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-12-13 21:48:34,680 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,681 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-12-13 21:48:34,682 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2022-12-13 21:48:34,683 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2022-12-13 21:48:34,683 INFO L902 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2022-12-13 21:48:34,683 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2022-12-13 21:48:34,683 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2022-12-13 21:48:34,683 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2022-12-13 21:48:34,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 21:48:34,683 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,683 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,683 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2022-12-13 21:48:34,684 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2022-12-13 21:48:34,685 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2022-12-13 21:48:34,686 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2022-12-13 21:48:34,687 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse2 (not (= 7 ~a19~0))) (.cse1 (= ~a12~0 0))) (or (and (<= 0 ~a1~0) .cse0 (= ~a10~0 2) .cse1) (and (not (= ~a10~0 4)) .cse0 .cse2 .cse1 (not (= ~a10~0 3))) (and (= ~a10~0 1) .cse0 .cse1) (and (<= ~a19~0 9) .cse0 .cse2 .cse1))) [2022-12-13 21:48:34,687 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2022-12-13 21:48:34,687 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,687 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,687 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,687 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,687 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-12-13 21:48:34,688 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-12-13 21:48:34,689 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 21:48:34,689 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse2 (not (= 7 ~a19~0))) (.cse1 (= ~a12~0 0))) (or (and (<= 0 ~a1~0) .cse0 (= ~a10~0 2) .cse1) (and (not (= ~a10~0 4)) .cse0 .cse2 .cse1 (not (= ~a10~0 3))) (and (= ~a10~0 1) .cse0 .cse1) (and (<= ~a19~0 9) .cse0 .cse2 .cse1))) [2022-12-13 21:48:34,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2022-12-13 21:48:34,689 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2022-12-13 21:48:34,689 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2022-12-13 21:48:34,689 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2022-12-13 21:48:34,689 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-12-13 21:48:34,690 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-12-13 21:48:34,691 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-12-13 21:48:34,691 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-12-13 21:48:34,691 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-12-13 21:48:34,691 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-12-13 21:48:34,694 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:34,695 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:48:34,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:48:34 BoogieIcfgContainer [2022-12-13 21:48:34,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:48:34,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:48:34,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:48:34,707 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:48:34,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:48:25" (3/4) ... [2022-12-13 21:48:34,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:48:34,720 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 21:48:34,720 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 21:48:34,721 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:48:34,721 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:48:34,776 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:48:34,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:48:34,776 INFO L158 Benchmark]: Toolchain (without parser) took 10985.57ms. Allocated memory was 123.7MB in the beginning and 323.0MB in the end (delta: 199.2MB). Free memory was 88.0MB in the beginning and 140.7MB in the end (delta: -52.7MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2022-12-13 21:48:34,777 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:48:34,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.74ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 59.6MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 21:48:34,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.41ms. Allocated memory is still 123.7MB. Free memory was 59.6MB in the beginning and 51.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 21:48:34,778 INFO L158 Benchmark]: Boogie Preprocessor took 65.83ms. Allocated memory is still 123.7MB. Free memory was 51.6MB in the beginning and 46.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:48:34,778 INFO L158 Benchmark]: RCFGBuilder took 997.83ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 46.8MB in the beginning and 100.1MB in the end (delta: -53.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-12-13 21:48:34,778 INFO L158 Benchmark]: TraceAbstraction took 9336.14ms. Allocated memory was 153.1MB in the beginning and 323.0MB in the end (delta: 169.9MB). Free memory was 99.1MB in the beginning and 151.2MB in the end (delta: -52.1MB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. [2022-12-13 21:48:34,779 INFO L158 Benchmark]: Witness Printer took 68.71ms. Allocated memory is still 323.0MB. Free memory was 151.2MB in the beginning and 140.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 21:48:34,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.74ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 59.6MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.41ms. Allocated memory is still 123.7MB. Free memory was 59.6MB in the beginning and 51.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.83ms. Allocated memory is still 123.7MB. Free memory was 51.6MB in the beginning and 46.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 997.83ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 46.8MB in the beginning and 100.1MB in the end (delta: -53.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9336.14ms. Allocated memory was 153.1MB in the beginning and 323.0MB in the end (delta: 169.9MB). Free memory was 99.1MB in the beginning and 151.2MB in the end (delta: -52.1MB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. * Witness Printer took 68.71ms. Allocated memory is still 323.0MB. Free memory was 151.2MB in the beginning and 140.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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: 194]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1236 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1236 mSDsluCounter, 1060 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 916 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4578 IncrementalHoareTripleChecker+Invalid, 5494 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 916 mSolverCounterUnsat, 994 mSDtfsCounter, 4578 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2645occurred in iteration=10, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 561 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 60 NumberOfFragments, 115 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1074 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1421 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3123 NumberOfCodeBlocks, 3123 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3111 ConstructedInterpolants, 0 QuantifiedInterpolants, 10188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 402 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 2852/2947 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: (((((0 <= a1 && 14 == a4) && a10 == 2) && a12 == 0) || ((((!(a10 == 4) && 14 == a4) && !(7 == a19)) && a12 == 0) && !(a10 == 3))) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && !(7 == a19)) && a12 == 0) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((0 <= a1 && 14 == a4) && a10 == 2) && a12 == 0) || ((((!(a10 == 4) && 14 == a4) && !(7 == a19)) && a12 == 0) && !(a10 == 3))) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && !(7 == a19)) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 21:48:34,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b9f2560-5bf2-467e-bf5c-4168cff37c6a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE