./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/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_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/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_6320b988-d4cb-47c8-8a34-1f88186f0d0c/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 4ac6301e42f829c2e7435f753cf6d38a67b1a5fed7ebb544243474a63eb4f91e --- 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 20:05:04,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:05:04,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:05:04,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:05:04,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:05:04,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:05:04,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:05:04,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:05:04,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:05:04,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:05:04,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:05:04,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:05:04,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:05:04,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:05:04,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:05:04,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:05:04,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:05:04,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:05:04,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:05:04,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:05:04,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:05:04,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:05:04,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:05:05,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:05:05,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:05:05,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:05:05,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:05:05,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:05:05,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:05:05,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:05:05,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:05:05,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:05:05,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:05:05,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:05:05,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:05:05,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:05:05,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:05:05,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:05:05,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:05:05,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:05:05,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:05:05,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:05:05,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:05:05,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:05:05,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:05:05,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:05:05,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:05:05,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:05:05,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:05:05,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:05:05,057 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:05:05,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:05:05,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:05:05,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:05:05,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:05:05,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:05:05,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:05:05,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:05:05,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:05:05,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:05:05,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:05:05,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:05:05,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:05:05,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:05:05,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:05:05,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:05:05,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:05:05,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:05:05,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:05:05,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:05:05,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:05:05,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:05:05,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:05:05,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:05:05,061 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:05:05,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:05:05,061 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:05:05,061 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_6320b988-d4cb-47c8-8a34-1f88186f0d0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac6301e42f829c2e7435f753cf6d38a67b1a5fed7ebb544243474a63eb4f91e [2022-12-13 20:05:05,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:05:05,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:05:05,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:05:05,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:05:05,272 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:05:05,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2022-12-13 20:05:07,843 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:05:08,047 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:05:08,048 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2022-12-13 20:05:08,059 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/data/f4e6d67a8/098cd0ed7fa948fba4080f4a1cfd53f9/FLAGc80ddc90e [2022-12-13 20:05:08,075 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/data/f4e6d67a8/098cd0ed7fa948fba4080f4a1cfd53f9 [2022-12-13 20:05:08,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:05:08,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:05:08,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:05:08,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:05:08,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:05:08,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2733fad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08, skipping insertion in model container [2022-12-13 20:05:08,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:05:08,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:05:08,287 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_6320b988-d4cb-47c8-8a34-1f88186f0d0c/sv-benchmarks/c/eca-rers2012/Problem14_label06.c[6235,6248] [2022-12-13 20:05:08,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:05:08,429 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:05:08,447 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_6320b988-d4cb-47c8-8a34-1f88186f0d0c/sv-benchmarks/c/eca-rers2012/Problem14_label06.c[6235,6248] [2022-12-13 20:05:08,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:05:08,515 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:05:08,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08 WrapperNode [2022-12-13 20:05:08,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:05:08,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:05:08,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:05:08,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:05:08,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,584 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-13 20:05:08,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:05:08,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:05:08,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:05:08,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:05:08,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,623 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:05:08,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:05:08,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:05:08,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:05:08,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (1/1) ... [2022-12-13 20:05:08,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:05:08,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:05:08,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:05:08,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:05:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:05:08,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:05:08,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:05:08,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:05:08,746 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:05:08,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:05:09,705 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:05:09,712 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:05:09,713 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:05:09,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:05:09 BoogieIcfgContainer [2022-12-13 20:05:09,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:05:09,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:05:09,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:05:09,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:05:09,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:05:08" (1/3) ... [2022-12-13 20:05:09,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f6917a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:05:09, skipping insertion in model container [2022-12-13 20:05:09,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:05:08" (2/3) ... [2022-12-13 20:05:09,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f6917a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:05:09, skipping insertion in model container [2022-12-13 20:05:09,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:05:09" (3/3) ... [2022-12-13 20:05:09,721 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label06.c [2022-12-13 20:05:09,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:05:09,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:05:09,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:05:09,784 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;@2bbd5def, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:05:09,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:05:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 20:05:09,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:09,795 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, 1] [2022-12-13 20:05:09,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:09,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:09,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2022-12-13 20:05:09,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:09,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257782978] [2022-12-13 20:05:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:09,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:10,066 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 20:05:10,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:10,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257782978] [2022-12-13 20:05:10,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257782978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:10,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:05:10,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:05:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236541368] [2022-12-13 20:05:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:10,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:10,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:10,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:10,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:05:10,099 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 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 20:05:10,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:10,866 INFO L93 Difference]: Finished difference Result 685 states and 1216 transitions. [2022-12-13 20:05:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:10,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-12-13 20:05:10,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:10,876 INFO L225 Difference]: With dead ends: 685 [2022-12-13 20:05:10,876 INFO L226 Difference]: Without dead ends: 360 [2022-12-13 20:05:10,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:05:10,882 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 157 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:10,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 139 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 20:05:10,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-12-13 20:05:10,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2022-12-13 20:05:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.4206128133704736) internal successors, (510), 359 states have internal predecessors, (510), 0 states have call successors, (0), 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 20:05:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2022-12-13 20:05:10,920 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 61 [2022-12-13 20:05:10,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:10,921 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2022-12-13 20:05:10,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 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 20:05:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2022-12-13 20:05:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 20:05:10,925 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:10,925 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, 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] [2022-12-13 20:05:10,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:05:10,926 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:10,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:10,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1094221175, now seen corresponding path program 1 times [2022-12-13 20:05:10,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:10,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748023046] [2022-12-13 20:05:10,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:05:11,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:11,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748023046] [2022-12-13 20:05:11,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748023046] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:11,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:05:11,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:05:11,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935524335] [2022-12-13 20:05:11,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:11,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:05:11,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:11,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:05:11,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:05:11,312 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 20:05:12,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:12,115 INFO L93 Difference]: Finished difference Result 1074 states and 1446 transitions. [2022-12-13 20:05:12,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:05:12,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-12-13 20:05:12,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:12,118 INFO L225 Difference]: With dead ends: 1074 [2022-12-13 20:05:12,118 INFO L226 Difference]: Without dead ends: 716 [2022-12-13 20:05:12,119 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 20:05:12,120 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 419 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:12,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 121 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 20:05:12,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-12-13 20:05:12,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2022-12-13 20:05:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.2615384615384615) internal successors, (902), 715 states have internal predecessors, (902), 0 states have call successors, (0), 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 20:05:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions. [2022-12-13 20:05:12,140 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 140 [2022-12-13 20:05:12,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:12,140 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 902 transitions. [2022-12-13 20:05:12,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 20:05:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions. [2022-12-13 20:05:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-12-13 20:05:12,144 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:12,144 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, 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] [2022-12-13 20:05:12,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:05:12,145 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:12,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:12,145 INFO L85 PathProgramCache]: Analyzing trace with hash -216480168, now seen corresponding path program 1 times [2022-12-13 20:05:12,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:12,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022146625] [2022-12-13 20:05:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:12,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 20:05:12,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:12,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022146625] [2022-12-13 20:05:12,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022146625] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:05:12,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983572923] [2022-12-13 20:05:12,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:12,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:12,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:05:12,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:05:12,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:05:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:12,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:05:12,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:05:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:05:12,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:05:12,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983572923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:12,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:05:12,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 20:05:12,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924401240] [2022-12-13 20:05:12,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:12,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:12,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:12,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:12,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:05:12,490 INFO L87 Difference]: Start difference. First operand 716 states and 902 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 20:05:13,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:13,050 INFO L93 Difference]: Finished difference Result 1964 states and 2499 transitions. [2022-12-13 20:05:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:13,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2022-12-13 20:05:13,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:13,055 INFO L225 Difference]: With dead ends: 1964 [2022-12-13 20:05:13,055 INFO L226 Difference]: Without dead ends: 1250 [2022-12-13 20:05:13,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:05:13,057 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 121 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:13,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 95 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:05:13,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-12-13 20:05:13,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2022-12-13 20:05:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.2361889511609288) internal successors, (1544), 1249 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2022-12-13 20:05:13,090 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 166 [2022-12-13 20:05:13,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:13,091 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2022-12-13 20:05:13,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 20:05:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2022-12-13 20:05:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-12-13 20:05:13,095 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:13,096 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, 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] [2022-12-13 20:05:13,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:05:13,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:13,298 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:13,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash 64556132, now seen corresponding path program 1 times [2022-12-13 20:05:13,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:13,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263455554] [2022-12-13 20:05:13,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 20:05:13,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:13,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263455554] [2022-12-13 20:05:13,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263455554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:13,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:05:13,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:05:13,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801741737] [2022-12-13 20:05:13,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:13,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:05:13,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:13,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:05:13,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:05:13,606 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:14,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:14,218 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2022-12-13 20:05:14,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:05:14,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 220 [2022-12-13 20:05:14,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:14,228 INFO L225 Difference]: With dead ends: 2705 [2022-12-13 20:05:14,228 INFO L226 Difference]: Without dead ends: 1606 [2022-12-13 20:05:14,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:05:14,231 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 102 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:14,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 120 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:05:14,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2022-12-13 20:05:14,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2022-12-13 20:05:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.1221183800623054) internal successors, (1801), 1605 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2022-12-13 20:05:14,264 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 220 [2022-12-13 20:05:14,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:14,265 INFO L495 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2022-12-13 20:05:14,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2022-12-13 20:05:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-12-13 20:05:14,270 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:14,270 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, 4, 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] [2022-12-13 20:05:14,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:05:14,271 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:14,271 INFO L85 PathProgramCache]: Analyzing trace with hash 696718706, now seen corresponding path program 1 times [2022-12-13 20:05:14,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:14,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740848846] [2022-12-13 20:05:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:14,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 224 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-13 20:05:14,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:14,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740848846] [2022-12-13 20:05:14,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740848846] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:05:14,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727099281] [2022-12-13 20:05:14,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:14,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:14,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:05:14,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:05:14,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 20:05:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:14,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:05:14,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:05:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-12-13 20:05:15,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:05:15,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727099281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:15,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:05:15,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 20:05:15,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522239624] [2022-12-13 20:05:15,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:15,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:15,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:15,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:15,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:05:15,019 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 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 20:05:15,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:15,459 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2022-12-13 20:05:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:15,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 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 347 [2022-12-13 20:05:15,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:15,465 INFO L225 Difference]: With dead ends: 3388 [2022-12-13 20:05:15,466 INFO L226 Difference]: Without dead ends: 1962 [2022-12-13 20:05:15,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 346 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 20:05:15,468 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 82 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:15,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 47 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:05:15,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2022-12-13 20:05:15,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2022-12-13 20:05:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1784 states, 1783 states have (on average 1.1318003365114975) internal successors, (2018), 1783 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions. [2022-12-13 20:05:15,515 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 347 [2022-12-13 20:05:15,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:15,515 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions. [2022-12-13 20:05:15,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 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 20:05:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions. [2022-12-13 20:05:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-12-13 20:05:15,521 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:15,522 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, 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, 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] [2022-12-13 20:05:15,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 20:05:15,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:15,722 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:15,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1460708036, now seen corresponding path program 1 times [2022-12-13 20:05:15,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:15,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546420198] [2022-12-13 20:05:15,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-13 20:05:16,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:16,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546420198] [2022-12-13 20:05:16,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546420198] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:16,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:05:16,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:05:16,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877444713] [2022-12-13 20:05:16,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:16,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:16,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:16,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:16,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:05:16,099 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:16,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:16,559 INFO L93 Difference]: Finished difference Result 3744 states and 4282 transitions. [2022-12-13 20:05:16,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:16,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 351 [2022-12-13 20:05:16,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:16,572 INFO L225 Difference]: With dead ends: 3744 [2022-12-13 20:05:16,573 INFO L226 Difference]: Without dead ends: 2140 [2022-12-13 20:05:16,575 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 20:05:16,576 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 101 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:16,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 77 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:05:16,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-12-13 20:05:16,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2022-12-13 20:05:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2139 states have (on average 1.1280972417017299) internal successors, (2413), 2139 states have internal predecessors, (2413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2413 transitions. [2022-12-13 20:05:16,631 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2413 transitions. Word has length 351 [2022-12-13 20:05:16,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:16,631 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 2413 transitions. [2022-12-13 20:05:16,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2413 transitions. [2022-12-13 20:05:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-12-13 20:05:16,639 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:16,639 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 20:05:16,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:05:16,639 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:16,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:16,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1192788200, now seen corresponding path program 1 times [2022-12-13 20:05:16,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:16,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981117430] [2022-12-13 20:05:16,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:16,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-12-13 20:05:16,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:16,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981117430] [2022-12-13 20:05:16,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981117430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:16,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:05:16,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:05:16,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564504787] [2022-12-13 20:05:16,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:16,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:16,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:16,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:16,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:05:16,848 INFO L87 Difference]: Start difference. First operand 2140 states and 2413 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 20:05:17,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:17,307 INFO L93 Difference]: Finished difference Result 4634 states and 5316 transitions. [2022-12-13 20:05:17,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:17,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 378 [2022-12-13 20:05:17,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:17,312 INFO L225 Difference]: With dead ends: 4634 [2022-12-13 20:05:17,312 INFO L226 Difference]: Without dead ends: 2674 [2022-12-13 20:05:17,313 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 20:05:17,314 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 126 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:17,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 67 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:05:17,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-12-13 20:05:17,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318. [2022-12-13 20:05:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.131635735865343) internal successors, (2622), 2317 states have internal predecessors, (2622), 0 states have call successors, (0), 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 20:05:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2622 transitions. [2022-12-13 20:05:17,340 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2622 transitions. Word has length 378 [2022-12-13 20:05:17,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:17,340 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 2622 transitions. [2022-12-13 20:05:17,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 20:05:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2622 transitions. [2022-12-13 20:05:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-12-13 20:05:17,342 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:17,342 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:05:17,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:05:17,342 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:17,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:17,343 INFO L85 PathProgramCache]: Analyzing trace with hash 529160561, now seen corresponding path program 1 times [2022-12-13 20:05:17,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:17,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698098963] [2022-12-13 20:05:17,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:17,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2022-12-13 20:05:17,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:17,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698098963] [2022-12-13 20:05:17,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698098963] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:05:17,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062656671] [2022-12-13 20:05:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:17,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:17,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:05:17,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:05:17,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 20:05:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:17,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:05:17,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:05:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-12-13 20:05:17,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:05:17,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062656671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:17,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:05:17,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 20:05:17,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625184518] [2022-12-13 20:05:17,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:17,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:17,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:17,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:17,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:05:17,823 INFO L87 Difference]: Start difference. First operand 2318 states and 2622 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 20:05:18,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:18,182 INFO L93 Difference]: Finished difference Result 4812 states and 5533 transitions. [2022-12-13 20:05:18,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:18,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 385 [2022-12-13 20:05:18,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:18,189 INFO L225 Difference]: With dead ends: 4812 [2022-12-13 20:05:18,189 INFO L226 Difference]: Without dead ends: 2674 [2022-12-13 20:05:18,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:05:18,192 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 123 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:18,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 224 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:05:18,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-12-13 20:05:18,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2022-12-13 20:05:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2673 states have (on average 1.139917695473251) internal successors, (3047), 2673 states have internal predecessors, (3047), 0 states have call successors, (0), 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 20:05:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3047 transitions. [2022-12-13 20:05:18,236 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3047 transitions. Word has length 385 [2022-12-13 20:05:18,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:18,237 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 3047 transitions. [2022-12-13 20:05:18,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 20:05:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3047 transitions. [2022-12-13 20:05:18,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-12-13 20:05:18,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:18,239 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:05:18,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 20:05:18,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:18,440 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:18,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:18,440 INFO L85 PathProgramCache]: Analyzing trace with hash 672820240, now seen corresponding path program 1 times [2022-12-13 20:05:18,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:18,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439283992] [2022-12-13 20:05:18,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:18,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-12-13 20:05:18,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:18,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439283992] [2022-12-13 20:05:18,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439283992] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:18,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:05:18,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:05:18,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996684755] [2022-12-13 20:05:18,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:18,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:18,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:18,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:18,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:05:18,582 INFO L87 Difference]: Start difference. First operand 2674 states and 3047 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 20:05:19,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:19,033 INFO L93 Difference]: Finished difference Result 6058 states and 6995 transitions. [2022-12-13 20:05:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:19,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 457 [2022-12-13 20:05:19,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:19,042 INFO L225 Difference]: With dead ends: 6058 [2022-12-13 20:05:19,042 INFO L226 Difference]: Without dead ends: 3564 [2022-12-13 20:05:19,044 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 20:05:19,045 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 121 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:19,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 57 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:05:19,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2022-12-13 20:05:19,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2022-12-13 20:05:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3564 states, 3563 states have (on average 1.1400505192253718) internal successors, (4062), 3563 states have internal predecessors, (4062), 0 states have call successors, (0), 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 20:05:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4062 transitions. [2022-12-13 20:05:19,102 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4062 transitions. Word has length 457 [2022-12-13 20:05:19,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:19,102 INFO L495 AbstractCegarLoop]: Abstraction has 3564 states and 4062 transitions. [2022-12-13 20:05:19,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 20:05:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4062 transitions. [2022-12-13 20:05:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-12-13 20:05:19,106 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:19,106 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:05:19,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:05:19,106 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:19,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:19,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1535481681, now seen corresponding path program 1 times [2022-12-13 20:05:19,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:19,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306188692] [2022-12-13 20:05:19,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:19,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 739 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-12-13 20:05:19,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:19,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306188692] [2022-12-13 20:05:19,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306188692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:19,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:05:19,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:05:19,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499046018] [2022-12-13 20:05:19,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:19,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:05:19,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:19,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:05:19,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:05:19,372 INFO L87 Difference]: Start difference. First operand 3564 states and 4062 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:19,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:19,848 INFO L93 Difference]: Finished difference Result 7155 states and 8168 transitions. [2022-12-13 20:05:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 20:05:19,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 532 [2022-12-13 20:05:19,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:19,854 INFO L225 Difference]: With dead ends: 7155 [2022-12-13 20:05:19,854 INFO L226 Difference]: Without dead ends: 3742 [2022-12-13 20:05:19,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:05:19,856 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 141 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:19,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 17 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:05:19,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-12-13 20:05:19,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2022-12-13 20:05:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3564 states, 3563 states have (on average 1.0940218916643278) internal successors, (3898), 3563 states have internal predecessors, (3898), 0 states have call successors, (0), 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 20:05:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3898 transitions. [2022-12-13 20:05:19,890 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3898 transitions. Word has length 532 [2022-12-13 20:05:19,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:19,890 INFO L495 AbstractCegarLoop]: Abstraction has 3564 states and 3898 transitions. [2022-12-13 20:05:19,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3898 transitions. [2022-12-13 20:05:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-12-13 20:05:19,893 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:19,893 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:05:19,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:05:19,894 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2053013747, now seen corresponding path program 1 times [2022-12-13 20:05:19,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:19,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14124397] [2022-12-13 20:05:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:19,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-12-13 20:05:20,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:20,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14124397] [2022-12-13 20:05:20,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14124397] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:05:20,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069430312] [2022-12-13 20:05:20,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:20,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:20,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:05:20,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:05:20,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 20:05:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:20,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:05:20,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:05:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2022-12-13 20:05:20,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:05:20,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069430312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:20,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:05:20,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 20:05:20,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602568010] [2022-12-13 20:05:20,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:20,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:20,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:20,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:20,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:05:20,899 INFO L87 Difference]: Start difference. First operand 3564 states and 3898 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 0 states have call successors, (0), 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 20:05:21,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:21,232 INFO L93 Difference]: Finished difference Result 4634 states and 5054 transitions. [2022-12-13 20:05:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:21,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 0 states have call successors, (0), 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 540 [2022-12-13 20:05:21,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:21,244 INFO L225 Difference]: With dead ends: 4634 [2022-12-13 20:05:21,244 INFO L226 Difference]: Without dead ends: 4632 [2022-12-13 20:05:21,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:05:21,246 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 40 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:21,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 11 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:05:21,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states. [2022-12-13 20:05:21,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 3742. [2022-12-13 20:05:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.0954290296712108) internal successors, (4098), 3741 states have internal predecessors, (4098), 0 states have call successors, (0), 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 20:05:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4098 transitions. [2022-12-13 20:05:21,297 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4098 transitions. Word has length 540 [2022-12-13 20:05:21,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:21,297 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 4098 transitions. [2022-12-13 20:05:21,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 2 states have internal predecessors, (162), 0 states have call successors, (0), 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 20:05:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4098 transitions. [2022-12-13 20:05:21,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-12-13 20:05:21,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:21,301 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:05:21,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 20:05:21,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:21,503 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:21,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:21,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1324592890, now seen corresponding path program 1 times [2022-12-13 20:05:21,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:21,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297563598] [2022-12-13 20:05:21,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:21,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 943 proven. 11 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-12-13 20:05:21,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:21,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297563598] [2022-12-13 20:05:21,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297563598] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:05:21,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774998619] [2022-12-13 20:05:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:21,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:21,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:05:21,934 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:05:21,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 20:05:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:22,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:05:22,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:05:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2022-12-13 20:05:22,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:05:22,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774998619] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:22,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:05:22,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 20:05:22,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128392645] [2022-12-13 20:05:22,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:22,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:22,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:22,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:05:22,168 INFO L87 Difference]: Start difference. First operand 3742 states and 4098 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 20:05:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:22,486 INFO L93 Difference]: Finished difference Result 5168 states and 5627 transitions. [2022-12-13 20:05:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:22,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 587 [2022-12-13 20:05:22,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:22,497 INFO L225 Difference]: With dead ends: 5168 [2022-12-13 20:05:22,497 INFO L226 Difference]: Without dead ends: 5166 [2022-12-13 20:05:22,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:05:22,498 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 141 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:22,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 11 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:05:22,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2022-12-13 20:05:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 3742. [2022-12-13 20:05:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.0954290296712108) internal successors, (4098), 3741 states have internal predecessors, (4098), 0 states have call successors, (0), 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 20:05:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4098 transitions. [2022-12-13 20:05:22,531 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4098 transitions. Word has length 587 [2022-12-13 20:05:22,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:22,531 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 4098 transitions. [2022-12-13 20:05:22,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 20:05:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4098 transitions. [2022-12-13 20:05:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2022-12-13 20:05:22,535 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:05:22,535 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:05:22,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 20:05:22,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:22,736 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:05:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:05:22,736 INFO L85 PathProgramCache]: Analyzing trace with hash 100418186, now seen corresponding path program 1 times [2022-12-13 20:05:22,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:05:22,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807190219] [2022-12-13 20:05:22,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:05:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 908 proven. 2 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-12-13 20:05:23,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:05:23,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807190219] [2022-12-13 20:05:23,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807190219] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:05:23,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69121918] [2022-12-13 20:05:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:05:23,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:05:23,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:05:23,114 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:05:23,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 20:05:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:05:23,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:05:23,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:05:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2022-12-13 20:05:23,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:05:23,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69121918] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:05:23,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:05:23,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-12-13 20:05:23,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176611024] [2022-12-13 20:05:23,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:05:23,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:05:23,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:05:23,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:05:23,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:05:23,342 INFO L87 Difference]: Start difference. First operand 3742 states and 4098 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:23,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:05:23,767 INFO L93 Difference]: Finished difference Result 8192 states and 9025 transitions. [2022-12-13 20:05:23,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:05:23,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 594 [2022-12-13 20:05:23,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:05:23,768 INFO L225 Difference]: With dead ends: 8192 [2022-12-13 20:05:23,768 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:05:23,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:05:23,772 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 130 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:05:23,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 212 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:05:23,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:05:23,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:05:23,773 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 20:05:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:05:23,773 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 594 [2022-12-13 20:05:23,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:05:23,773 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:05:23,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:05:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:05:23,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:05:23,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:05:23,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 20:05:23,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 20:05:23,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-12-13 20:05:24,639 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-12-13 20:05:24,640 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-12-13 20:05:24,641 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-12-13 20:05:24,642 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-12-13 20:05:24,643 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2022-12-13 20:05:24,644 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-12-13 20:05:24,645 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2022-12-13 20:05:24,646 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2022-12-13 20:05:24,647 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L902 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:05:24,648 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 7))) (or (and (<= 7 ~a15~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse0 (< 11 ~a12~0)) (and (<= (+ ~a12~0 43) 0) (<= ~a15~0 8) .cse1) (and .cse0 .cse1))) [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-12-13 20:05:24,649 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 30 882) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 7))) (or (and (<= 7 ~a15~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse0 (< 11 ~a12~0)) (and (<= (+ ~a12~0 43) 0) (<= ~a15~0 8) .cse1) (and .cse0 .cse1))) [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-12-13 20:05:24,650 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-12-13 20:05:24,652 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:05:24,654 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:05:24,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:05:24 BoogieIcfgContainer [2022-12-13 20:05:24,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:05:24,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:05:24,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:05:24,665 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:05:24,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:05:09" (3/4) ... [2022-12-13 20:05:24,668 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:05:24,679 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 20:05:24,680 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 20:05:24,680 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:05:24,681 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:05:24,739 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:05:24,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:05:24,739 INFO L158 Benchmark]: Toolchain (without parser) took 16661.60ms. Allocated memory was 155.2MB in the beginning and 306.2MB in the end (delta: 151.0MB). Free memory was 109.9MB in the beginning and 149.1MB in the end (delta: -39.2MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. [2022-12-13 20:05:24,740 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:05:24,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.82ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 77.5MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 20:05:24,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.69ms. Allocated memory is still 155.2MB. Free memory was 77.5MB in the beginning and 68.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 20:05:24,740 INFO L158 Benchmark]: Boogie Preprocessor took 50.67ms. Allocated memory is still 155.2MB. Free memory was 68.0MB in the beginning and 61.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 20:05:24,740 INFO L158 Benchmark]: RCFGBuilder took 1079.18ms. Allocated memory was 155.2MB in the beginning and 253.8MB in the end (delta: 98.6MB). Free memory was 61.7MB in the beginning and 135.2MB in the end (delta: -73.5MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-12-13 20:05:24,741 INFO L158 Benchmark]: TraceAbstraction took 14947.96ms. Allocated memory was 253.8MB in the beginning and 306.2MB in the end (delta: 52.4MB). Free memory was 134.2MB in the beginning and 161.7MB in the end (delta: -27.5MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. [2022-12-13 20:05:24,741 INFO L158 Benchmark]: Witness Printer took 74.21ms. Allocated memory is still 306.2MB. Free memory was 161.7MB in the beginning and 149.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:05:24,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.82ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 77.5MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.69ms. Allocated memory is still 155.2MB. Free memory was 77.5MB in the beginning and 68.0MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.67ms. Allocated memory is still 155.2MB. Free memory was 68.0MB in the beginning and 61.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1079.18ms. Allocated memory was 155.2MB in the beginning and 253.8MB in the end (delta: 98.6MB). Free memory was 61.7MB in the beginning and 135.2MB in the end (delta: -73.5MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * TraceAbstraction took 14947.96ms. Allocated memory was 253.8MB in the beginning and 306.2MB in the end (delta: 52.4MB). Free memory was 134.2MB in the beginning and 161.7MB in the end (delta: -27.5MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. * Witness Printer took 74.21ms. Allocated memory is still 306.2MB. Free memory was 161.7MB in the beginning and 149.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 197]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1804 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1804 mSDsluCounter, 1198 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 921 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6915 IncrementalHoareTripleChecker+Invalid, 7836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 921 mSolverCounterUnsat, 1128 mSDtfsCounter, 6915 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2656 GetRequests, 2623 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3742occurred in iteration=11, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 61 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 282 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1976 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 7377 NumberOfCodeBlocks, 7377 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 7358 ConstructedInterpolants, 0 QuantifiedInterpolants, 26258 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3449 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 11453/11996 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((7 <= a15 && a24 == 1) || (9 <= a21 && a24 == 1)) || (a24 == 1 && 11 < a12)) || ((a12 + 43 <= 0 && a15 <= 8) && a21 <= 7)) || (a24 == 1 && a21 <= 7) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((7 <= a15 && a24 == 1) || (9 <= a21 && a24 == 1)) || (a24 == 1 && 11 < a12)) || ((a12 + 43 <= 0 && a15 <= 8) && a21 <= 7)) || (a24 == 1 && a21 <= 7) RESULT: Ultimate proved your program to be correct! [2022-12-13 20:05:24,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6320b988-d4cb-47c8-8a34-1f88186f0d0c/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