./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R --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-38b53e6 [2022-11-25 18:22:04,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:22:04,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:22:04,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:22:04,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:22:04,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:22:04,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:22:04,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:22:04,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:22:04,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:22:04,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:22:04,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:22:04,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:22:04,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:22:04,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:22:04,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:22:04,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:22:04,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:22:04,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:22:04,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:22:04,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:22:04,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:22:04,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:22:04,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:22:04,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:22:04,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:22:04,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:22:04,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:22:04,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:22:04,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:22:04,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:22:04,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:22:04,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:22:04,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:22:04,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:22:04,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:22:04,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:22:04,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:22:04,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:22:04,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:22:04,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:22:04,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 18:22:04,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:22:04,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:22:04,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:22:04,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:22:04,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:22:04,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:22:04,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:22:04,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:22:04,981 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:22:04,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:22:04,982 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:22:04,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:22:04,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:22:04,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:22:04,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:22:04,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:22:04,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:22:04,984 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:22:04,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:22:04,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:22:04,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:22:04,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:22:04,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:22:04,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:22:04,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:22:04,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:22:04,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:22:04,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:22:04,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:22:04,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:22:04,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:22:04,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:22:04,989 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:22:04,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:22:04,990 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_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac6301e42f829c2e7435f753cf6d38a67b1a5fed7ebb544243474a63eb4f91e [2022-11-25 18:22:05,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:22:05,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:22:05,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:22:05,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:22:05,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:22:05,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2022-11-25 18:22:08,413 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:22:08,682 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:22:08,683 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2022-11-25 18:22:08,722 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/data/43bae21ee/400bb10b7a6543dcb703313c6a8929d6/FLAG7aca9cd15 [2022-11-25 18:22:08,735 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/data/43bae21ee/400bb10b7a6543dcb703313c6a8929d6 [2022-11-25 18:22:08,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:22:08,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:22:08,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:22:08,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:22:08,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:22:08,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:22:08" (1/1) ... [2022-11-25 18:22:08,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d13439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:08, skipping insertion in model container [2022-11-25 18:22:08,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:22:08" (1/1) ... [2022-11-25 18:22:08,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:22:08,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:22:09,047 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_b0fdae16-30af-4a1b-b95c-b83f85f407e6/sv-benchmarks/c/eca-rers2012/Problem14_label06.c[6235,6248] [2022-11-25 18:22:09,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:22:09,282 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:22:09,311 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_b0fdae16-30af-4a1b-b95c-b83f85f407e6/sv-benchmarks/c/eca-rers2012/Problem14_label06.c[6235,6248] [2022-11-25 18:22:09,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:22:09,471 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:22:09,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09 WrapperNode [2022-11-25 18:22:09,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:22:09,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:22:09,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:22:09,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:22:09,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,607 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-11-25 18:22:09,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:22:09,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:22:09,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:22:09,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:22:09,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,711 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:22:09,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:22:09,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:22:09,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:22:09,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (1/1) ... [2022-11-25 18:22:09,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:22:09,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:09,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:22:09,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:22:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:22:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:22:09,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:22:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:22:09,890 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:22:09,892 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:22:11,315 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:22:11,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:22:11,324 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:22:11,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:22:11 BoogieIcfgContainer [2022-11-25 18:22:11,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:22:11,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:22:11,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:22:11,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:22:11,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:22:08" (1/3) ... [2022-11-25 18:22:11,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c45ad30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:22:11, skipping insertion in model container [2022-11-25 18:22:11,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:22:09" (2/3) ... [2022-11-25 18:22:11,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c45ad30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:22:11, skipping insertion in model container [2022-11-25 18:22:11,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:22:11" (3/3) ... [2022-11-25 18:22:11,337 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label06.c [2022-11-25 18:22:11,355 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:22:11,356 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:22:11,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:22:11,417 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;@70c4fb0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:22:11,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:22:11,422 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) [2022-11-25 18:22:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 18:22:11,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:11,432 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] [2022-11-25 18:22:11,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:11,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:11,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2022-11-25 18:22:11,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:11,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764865570] [2022-11-25 18:22:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:11,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:22:11,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:11,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764865570] [2022-11-25 18:22:11,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764865570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:11,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:22:11,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:22:11,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31583616] [2022-11-25 18:22:11,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:11,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:11,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:12,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:12,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:22:12,017 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) [2022-11-25 18:22:13,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:13,087 INFO L93 Difference]: Finished difference Result 685 states and 1216 transitions. [2022-11-25 18:22:13,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:13,092 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 [2022-11-25 18:22:13,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:13,108 INFO L225 Difference]: With dead ends: 685 [2022-11-25 18:22:13,109 INFO L226 Difference]: Without dead ends: 360 [2022-11-25 18:22:13,117 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 [2022-11-25 18:22:13,121 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 157 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:13,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 139 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 18:22:13,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-11-25 18:22:13,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2022-11-25 18:22:13,176 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) [2022-11-25 18:22:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2022-11-25 18:22:13,179 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 61 [2022-11-25 18:22:13,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:13,180 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2022-11-25 18:22:13,181 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) [2022-11-25 18:22:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2022-11-25 18:22:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-25 18:22:13,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:13,186 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] [2022-11-25 18:22:13,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:22:13,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:13,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:13,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1094221175, now seen corresponding path program 1 times [2022-11-25 18:22:13,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:13,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523621262] [2022-11-25 18:22:13,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:13,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:22:13,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:13,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523621262] [2022-11-25 18:22:13,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523621262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:13,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:22:13,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:22:13,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884494063] [2022-11-25 18:22:13,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:13,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:22:13,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:13,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:22:13,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:22:13,758 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) [2022-11-25 18:22:14,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:14,969 INFO L93 Difference]: Finished difference Result 1074 states and 1446 transitions. [2022-11-25 18:22:14,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:22:14,969 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 [2022-11-25 18:22:14,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:14,973 INFO L225 Difference]: With dead ends: 1074 [2022-11-25 18:22:14,973 INFO L226 Difference]: Without dead ends: 716 [2022-11-25 18:22:14,974 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 [2022-11-25 18:22:14,975 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 419 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:14,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 121 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 18:22:14,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-11-25 18:22:14,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2022-11-25 18:22:15,001 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) [2022-11-25 18:22:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions. [2022-11-25 18:22:15,003 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 140 [2022-11-25 18:22:15,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:15,004 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 902 transitions. [2022-11-25 18:22:15,004 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) [2022-11-25 18:22:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions. [2022-11-25 18:22:15,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-25 18:22:15,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:15,010 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] [2022-11-25 18:22:15,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:22:15,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:15,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:15,011 INFO L85 PathProgramCache]: Analyzing trace with hash -216480168, now seen corresponding path program 1 times [2022-11-25 18:22:15,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:15,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793728199] [2022-11-25 18:22:15,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 18:22:15,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:15,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793728199] [2022-11-25 18:22:15,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793728199] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:15,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235157723] [2022-11-25 18:22:15,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:15,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:15,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:15,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:15,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:22:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:15,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:22:15,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:22:15,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:22:15,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235157723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:15,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:22:15,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-25 18:22:15,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016692441] [2022-11-25 18:22:15,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:15,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:15,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:15,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:15,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:22:15,601 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) [2022-11-25 18:22:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:16,421 INFO L93 Difference]: Finished difference Result 1964 states and 2499 transitions. [2022-11-25 18:22:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:16,422 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 [2022-11-25 18:22:16,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:16,427 INFO L225 Difference]: With dead ends: 1964 [2022-11-25 18:22:16,427 INFO L226 Difference]: Without dead ends: 1250 [2022-11-25 18:22:16,428 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 [2022-11-25 18:22:16,429 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 121 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:16,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 95 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:22:16,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-11-25 18:22:16,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2022-11-25 18:22:16,464 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) [2022-11-25 18:22:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2022-11-25 18:22:16,467 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 166 [2022-11-25 18:22:16,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:16,468 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2022-11-25 18:22:16,468 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) [2022-11-25 18:22:16,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2022-11-25 18:22:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-25 18:22:16,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:16,476 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] [2022-11-25 18:22:16,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:16,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:16,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:16,688 INFO L85 PathProgramCache]: Analyzing trace with hash 64556132, now seen corresponding path program 1 times [2022-11-25 18:22:16,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:16,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191070623] [2022-11-25 18:22:16,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:16,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-25 18:22:17,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:17,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191070623] [2022-11-25 18:22:17,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191070623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:17,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:22:17,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:22:17,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916544184] [2022-11-25 18:22:17,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:17,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:22:17,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:17,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:22:17,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:22:17,102 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) [2022-11-25 18:22:17,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:17,983 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2022-11-25 18:22:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:22:17,986 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 [2022-11-25 18:22:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:17,991 INFO L225 Difference]: With dead ends: 2705 [2022-11-25 18:22:17,992 INFO L226 Difference]: Without dead ends: 1606 [2022-11-25 18:22:17,993 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 [2022-11-25 18:22:18,001 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 102 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:18,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 120 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 18:22:18,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2022-11-25 18:22:18,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2022-11-25 18:22:18,033 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) [2022-11-25 18:22:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2022-11-25 18:22:18,038 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 220 [2022-11-25 18:22:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:18,040 INFO L495 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2022-11-25 18:22:18,040 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) [2022-11-25 18:22:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2022-11-25 18:22:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-11-25 18:22:18,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:18,049 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] [2022-11-25 18:22:18,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:22:18,050 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:18,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:18,051 INFO L85 PathProgramCache]: Analyzing trace with hash 696718706, now seen corresponding path program 1 times [2022-11-25 18:22:18,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:18,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39535573] [2022-11-25 18:22:18,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:18,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:18,680 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 224 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-25 18:22:18,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:18,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39535573] [2022-11-25 18:22:18,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39535573] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:18,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395840076] [2022-11-25 18:22:18,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:18,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:18,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:18,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:18,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:22:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:18,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:22:18,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-11-25 18:22:19,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:22:19,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395840076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:19,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:22:19,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-25 18:22:19,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787982209] [2022-11-25 18:22:19,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:19,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:19,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:19,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:19,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:22:19,350 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) [2022-11-25 18:22:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:20,026 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2022-11-25 18:22:20,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:20,027 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 [2022-11-25 18:22:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:20,034 INFO L225 Difference]: With dead ends: 3388 [2022-11-25 18:22:20,035 INFO L226 Difference]: Without dead ends: 1962 [2022-11-25 18:22:20,036 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 [2022-11-25 18:22:20,037 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 82 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:20,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 47 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:22:20,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2022-11-25 18:22:20,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2022-11-25 18:22:20,077 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) [2022-11-25 18:22:20,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions. [2022-11-25 18:22:20,083 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 347 [2022-11-25 18:22:20,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:20,084 INFO L495 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions. [2022-11-25 18:22:20,085 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) [2022-11-25 18:22:20,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions. [2022-11-25 18:22:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-11-25 18:22:20,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:20,092 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] [2022-11-25 18:22:20,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:20,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:20,299 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:20,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:20,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1460708036, now seen corresponding path program 1 times [2022-11-25 18:22:20,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:20,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679230107] [2022-11-25 18:22:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:20,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-25 18:22:20,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:20,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679230107] [2022-11-25 18:22:20,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679230107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:20,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:22:20,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:22:20,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69965632] [2022-11-25 18:22:20,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:20,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:20,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:20,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:22:20,789 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) [2022-11-25 18:22:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:21,437 INFO L93 Difference]: Finished difference Result 3744 states and 4282 transitions. [2022-11-25 18:22:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:21,438 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 [2022-11-25 18:22:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:21,445 INFO L225 Difference]: With dead ends: 3744 [2022-11-25 18:22:21,446 INFO L226 Difference]: Without dead ends: 2140 [2022-11-25 18:22:21,450 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 [2022-11-25 18:22:21,451 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 101 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:21,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 77 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:22:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-11-25 18:22:21,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2022-11-25 18:22:21,493 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) [2022-11-25 18:22:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2413 transitions. [2022-11-25 18:22:21,499 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2413 transitions. Word has length 351 [2022-11-25 18:22:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:21,499 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 2413 transitions. [2022-11-25 18:22:21,500 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) [2022-11-25 18:22:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2413 transitions. [2022-11-25 18:22:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-11-25 18:22:21,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:21,506 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] [2022-11-25 18:22:21,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:22:21,507 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:21,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:21,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1192788200, now seen corresponding path program 1 times [2022-11-25 18:22:21,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:21,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965992096] [2022-11-25 18:22:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-11-25 18:22:21,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:21,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965992096] [2022-11-25 18:22:21,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965992096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:21,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:22:21,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:22:21,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731387372] [2022-11-25 18:22:21,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:21,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:21,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:21,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:21,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:22:21,807 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) [2022-11-25 18:22:22,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:22,502 INFO L93 Difference]: Finished difference Result 4634 states and 5316 transitions. [2022-11-25 18:22:22,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:22,503 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 [2022-11-25 18:22:22,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:22,511 INFO L225 Difference]: With dead ends: 4634 [2022-11-25 18:22:22,511 INFO L226 Difference]: Without dead ends: 2674 [2022-11-25 18:22:22,513 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 [2022-11-25 18:22:22,514 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 126 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:22,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 67 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:22:22,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-11-25 18:22:22,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318. [2022-11-25 18:22:22,556 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) [2022-11-25 18:22:22,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2622 transitions. [2022-11-25 18:22:22,562 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2622 transitions. Word has length 378 [2022-11-25 18:22:22,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:22,563 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 2622 transitions. [2022-11-25 18:22:22,563 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) [2022-11-25 18:22:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2622 transitions. [2022-11-25 18:22:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-25 18:22:22,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:22,570 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] [2022-11-25 18:22:22,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:22:22,570 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:22,571 INFO L85 PathProgramCache]: Analyzing trace with hash 529160561, now seen corresponding path program 1 times [2022-11-25 18:22:22,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:22,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667368841] [2022-11-25 18:22:22,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:22,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2022-11-25 18:22:23,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:23,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667368841] [2022-11-25 18:22:23,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667368841] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:23,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264800640] [2022-11-25 18:22:23,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:23,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:23,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:23,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:23,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:22:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:23,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:22:23,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-11-25 18:22:23,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:22:23,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264800640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:23,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:22:23,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-25 18:22:23,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909637262] [2022-11-25 18:22:23,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:23,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:23,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:23,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:23,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:22:23,341 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) [2022-11-25 18:22:23,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:23,997 INFO L93 Difference]: Finished difference Result 4812 states and 5533 transitions. [2022-11-25 18:22:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:23,997 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 [2022-11-25 18:22:23,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:24,006 INFO L225 Difference]: With dead ends: 4812 [2022-11-25 18:22:24,006 INFO L226 Difference]: Without dead ends: 2674 [2022-11-25 18:22:24,008 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 [2022-11-25 18:22:24,009 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 123 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:24,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 224 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:22:24,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-11-25 18:22:24,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2022-11-25 18:22:24,056 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) [2022-11-25 18:22:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3047 transitions. [2022-11-25 18:22:24,062 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3047 transitions. Word has length 385 [2022-11-25 18:22:24,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:24,063 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 3047 transitions. [2022-11-25 18:22:24,063 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) [2022-11-25 18:22:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3047 transitions. [2022-11-25 18:22:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-11-25 18:22:24,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:24,073 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] [2022-11-25 18:22:24,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:24,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:24,278 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:24,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:24,279 INFO L85 PathProgramCache]: Analyzing trace with hash 672820240, now seen corresponding path program 1 times [2022-11-25 18:22:24,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:24,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501582345] [2022-11-25 18:22:24,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:24,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-11-25 18:22:24,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:24,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501582345] [2022-11-25 18:22:24,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501582345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:24,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:22:24,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:22:24,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165182787] [2022-11-25 18:22:24,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:24,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:24,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:24,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:24,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:22:24,622 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) [2022-11-25 18:22:25,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:25,334 INFO L93 Difference]: Finished difference Result 6058 states and 6995 transitions. [2022-11-25 18:22:25,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:25,335 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 [2022-11-25 18:22:25,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:25,346 INFO L225 Difference]: With dead ends: 6058 [2022-11-25 18:22:25,346 INFO L226 Difference]: Without dead ends: 3564 [2022-11-25 18:22:25,349 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 [2022-11-25 18:22:25,349 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 121 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:25,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 57 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 18:22:25,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2022-11-25 18:22:25,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2022-11-25 18:22:25,414 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) [2022-11-25 18:22:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4062 transitions. [2022-11-25 18:22:25,421 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4062 transitions. Word has length 457 [2022-11-25 18:22:25,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:25,422 INFO L495 AbstractCegarLoop]: Abstraction has 3564 states and 4062 transitions. [2022-11-25 18:22:25,423 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) [2022-11-25 18:22:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4062 transitions. [2022-11-25 18:22:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-11-25 18:22:25,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:25,436 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] [2022-11-25 18:22:25,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:22:25,437 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:25,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1535481681, now seen corresponding path program 1 times [2022-11-25 18:22:25,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:25,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937969014] [2022-11-25 18:22:25,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:25,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 739 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-25 18:22:26,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:26,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937969014] [2022-11-25 18:22:26,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937969014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:26,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:22:26,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:22:26,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578363617] [2022-11-25 18:22:26,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:26,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:22:26,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:26,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:22:26,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:22:26,035 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) [2022-11-25 18:22:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:26,794 INFO L93 Difference]: Finished difference Result 7155 states and 8168 transitions. [2022-11-25 18:22:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:22:26,794 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 [2022-11-25 18:22:26,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:26,806 INFO L225 Difference]: With dead ends: 7155 [2022-11-25 18:22:26,806 INFO L226 Difference]: Without dead ends: 3742 [2022-11-25 18:22:26,809 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 [2022-11-25 18:22:26,810 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 141 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:26,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 17 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 18:22:26,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2022-11-25 18:22:26,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2022-11-25 18:22:26,879 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) [2022-11-25 18:22:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3898 transitions. [2022-11-25 18:22:26,925 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3898 transitions. Word has length 532 [2022-11-25 18:22:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:26,926 INFO L495 AbstractCegarLoop]: Abstraction has 3564 states and 3898 transitions. [2022-11-25 18:22:26,926 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) [2022-11-25 18:22:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3898 transitions. [2022-11-25 18:22:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-11-25 18:22:26,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:26,932 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] [2022-11-25 18:22:26,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:22:26,932 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:26,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:26,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2053013747, now seen corresponding path program 1 times [2022-11-25 18:22:26,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:26,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824791108] [2022-11-25 18:22:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:26,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2022-11-25 18:22:27,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:27,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824791108] [2022-11-25 18:22:27,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824791108] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:27,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099747789] [2022-11-25 18:22:27,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:27,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:27,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:27,603 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:27,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 18:22:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:27,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:22:27,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2022-11-25 18:22:28,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:22:28,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099747789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:28,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:22:28,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-25 18:22:28,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376842026] [2022-11-25 18:22:28,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:28,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:28,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:28,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:28,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:22:28,552 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) [2022-11-25 18:22:29,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:29,171 INFO L93 Difference]: Finished difference Result 4634 states and 5054 transitions. [2022-11-25 18:22:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:29,175 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 [2022-11-25 18:22:29,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:29,189 INFO L225 Difference]: With dead ends: 4634 [2022-11-25 18:22:29,189 INFO L226 Difference]: Without dead ends: 4632 [2022-11-25 18:22:29,191 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 [2022-11-25 18:22:29,191 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 40 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:29,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 11 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:22:29,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states. [2022-11-25 18:22:29,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 3742. [2022-11-25 18:22:29,293 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) [2022-11-25 18:22:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4098 transitions. [2022-11-25 18:22:29,302 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4098 transitions. Word has length 540 [2022-11-25 18:22:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:29,303 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 4098 transitions. [2022-11-25 18:22:29,303 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) [2022-11-25 18:22:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4098 transitions. [2022-11-25 18:22:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-11-25 18:22:29,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:29,314 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] [2022-11-25 18:22:29,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-25 18:22:29,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:29,520 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:29,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:29,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1324592890, now seen corresponding path program 1 times [2022-11-25 18:22:29,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:29,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183997131] [2022-11-25 18:22:29,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:29,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 943 proven. 11 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-11-25 18:22:30,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:30,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183997131] [2022-11-25 18:22:30,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183997131] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:30,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876025714] [2022-11-25 18:22:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:30,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:30,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:30,402 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:30,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 18:22:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:30,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:22:30,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2022-11-25 18:22:30,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:22:30,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876025714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:30,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:22:30,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-25 18:22:30,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438808023] [2022-11-25 18:22:30,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:30,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:30,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:30,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:30,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:22:30,732 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) [2022-11-25 18:22:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:31,354 INFO L93 Difference]: Finished difference Result 5168 states and 5627 transitions. [2022-11-25 18:22:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:31,354 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 [2022-11-25 18:22:31,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:31,370 INFO L225 Difference]: With dead ends: 5168 [2022-11-25 18:22:31,371 INFO L226 Difference]: Without dead ends: 5166 [2022-11-25 18:22:31,372 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 [2022-11-25 18:22:31,373 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 141 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:31,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 11 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:22:31,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2022-11-25 18:22:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 3742. [2022-11-25 18:22:31,443 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) [2022-11-25 18:22:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4098 transitions. [2022-11-25 18:22:31,450 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4098 transitions. Word has length 587 [2022-11-25 18:22:31,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:31,451 INFO L495 AbstractCegarLoop]: Abstraction has 3742 states and 4098 transitions. [2022-11-25 18:22:31,452 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) [2022-11-25 18:22:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4098 transitions. [2022-11-25 18:22:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2022-11-25 18:22:31,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:22:31,459 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] [2022-11-25 18:22:31,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:31,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 18:22:31,664 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:22:31,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:22:31,665 INFO L85 PathProgramCache]: Analyzing trace with hash 100418186, now seen corresponding path program 1 times [2022-11-25 18:22:31,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:22:31,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200734732] [2022-11-25 18:22:31,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:31,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:22:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 908 proven. 2 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-11-25 18:22:32,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:22:32,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200734732] [2022-11-25 18:22:32,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200734732] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:22:32,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635491488] [2022-11-25 18:22:32,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:22:32,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:22:32,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:22:32,527 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:22:32,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 18:22:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:22:32,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:22:32,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:22:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2022-11-25 18:22:32,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:22:32,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635491488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:22:32,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:22:32,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-25 18:22:32,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003922545] [2022-11-25 18:22:32,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:22:32,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:22:32,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:22:32,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:22:32,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:22:32,838 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) [2022-11-25 18:22:33,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:22:33,456 INFO L93 Difference]: Finished difference Result 8192 states and 9025 transitions. [2022-11-25 18:22:33,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:22:33,457 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 [2022-11-25 18:22:33,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:22:33,458 INFO L225 Difference]: With dead ends: 8192 [2022-11-25 18:22:33,458 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:22:33,464 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 [2022-11-25 18:22:33,465 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 130 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:22:33,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 212 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:22:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:22:33,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:22:33,466 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) [2022-11-25 18:22:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:22:33,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 594 [2022-11-25 18:22:33,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:22:33,466 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:22:33,467 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) [2022-11-25 18:22:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:22:33,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:22:33,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 18:22:33,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:22:33,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 18:22:33,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:22:34,670 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2022-11-25 18:22:34,670 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2022-11-25 18:22:34,671 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2022-11-25 18:22:34,671 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2022-11-25 18:22:34,671 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2022-11-25 18:22:34,671 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,672 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,672 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,672 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2022-11-25 18:22:34,672 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2022-11-25 18:22:34,672 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-11-25 18:22:34,672 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-11-25 18:22:34,672 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-25 18:22:34,673 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2022-11-25 18:22:34,673 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2022-11-25 18:22:34,674 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2022-11-25 18:22:34,674 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,674 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,674 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,674 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2022-11-25 18:22:34,675 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-25 18:22:34,675 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-11-25 18:22:34,675 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-25 18:22:34,675 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2022-11-25 18:22:34,675 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2022-11-25 18:22:34,676 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2022-11-25 18:22:34,676 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2022-11-25 18:22:34,676 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2022-11-25 18:22:34,676 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,676 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,676 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,677 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2022-11-25 18:22:34,677 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-11-25 18:22:34,677 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-25 18:22:34,677 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-25 18:22:34,678 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2022-11-25 18:22:34,678 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2022-11-25 18:22:34,678 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2022-11-25 18:22:34,678 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,678 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,678 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,678 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2022-11-25 18:22:34,678 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-11-25 18:22:34,679 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-25 18:22:34,679 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-25 18:22:34,679 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2022-11-25 18:22:34,679 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2022-11-25 18:22:34,679 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2022-11-25 18:22:34,680 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2022-11-25 18:22:34,680 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,680 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,680 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,680 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2022-11-25 18:22:34,680 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2022-11-25 18:22:34,680 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-11-25 18:22:34,681 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-11-25 18:22:34,681 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-25 18:22:34,681 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2022-11-25 18:22:34,681 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2022-11-25 18:22:34,681 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2022-11-25 18:22:34,681 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,681 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2022-11-25 18:22:34,682 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-11-25 18:22:34,683 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2022-11-25 18:22:34,684 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2022-11-25 18:22:34,684 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2022-11-25 18:22:34,684 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:22:34,684 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,684 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,684 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,684 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2022-11-25 18:22:34,684 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-11-25 18:22:34,685 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-25 18:22:34,685 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-25 18:22:34,685 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2022-11-25 18:22:34,685 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2022-11-25 18:22:34,685 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2022-11-25 18:22:34,685 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2022-11-25 18:22:34,685 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2022-11-25 18:22:34,686 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,686 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,686 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,686 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2022-11-25 18:22:34,686 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-25 18:22:34,686 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-11-25 18:22:34,686 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-11-25 18:22:34,687 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2022-11-25 18:22:34,687 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2022-11-25 18:22:34,687 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2022-11-25 18:22:34,687 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2022-11-25 18:22:34,687 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,687 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,687 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,688 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-11-25 18:22:34,688 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-11-25 18:22:34,688 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-25 18:22:34,688 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:22:34,688 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2022-11-25 18:22:34,688 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2022-11-25 18:22:34,688 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2022-11-25 18:22:34,689 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2022-11-25 18:22:34,689 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2022-11-25 18:22:34,689 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2022-11-25 18:22:34,689 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,689 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,689 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,689 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2022-11-25 18:22:34,690 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2022-11-25 18:22:34,690 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-11-25 18:22:34,690 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-11-25 18:22:34,690 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-11-25 18:22:34,690 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2022-11-25 18:22:34,690 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2022-11-25 18:22:34,690 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2022-11-25 18:22:34,691 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,691 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,691 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,691 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-11-25 18:22:34,691 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-11-25 18:22:34,691 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-11-25 18:22:34,691 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2022-11-25 18:22:34,692 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2022-11-25 18:22:34,692 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2022-11-25 18:22:34,692 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2022-11-25 18:22:34,692 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2022-11-25 18:22:34,692 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,692 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,692 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,692 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2022-11-25 18:22:34,693 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2022-11-25 18:22:34,693 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-11-25 18:22:34,693 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-25 18:22:34,693 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-11-25 18:22:34,693 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2022-11-25 18:22:34,693 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2022-11-25 18:22:34,693 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2022-11-25 18:22:34,694 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,694 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,694 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,694 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2022-11-25 18:22:34,694 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-11-25 18:22:34,694 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-11-25 18:22:34,694 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-25 18:22:34,695 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2022-11-25 18:22:34,695 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2022-11-25 18:22:34,695 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2022-11-25 18:22:34,695 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2022-11-25 18:22:34,695 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,695 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,695 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,696 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2022-11-25 18:22:34,696 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-25 18:22:34,696 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-11-25 18:22:34,696 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-11-25 18:22:34,696 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2022-11-25 18:22:34,696 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2022-11-25 18:22:34,696 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2022-11-25 18:22:34,697 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2022-11-25 18:22:34,697 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,697 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,697 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2022-11-25 18:22:34,697 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-25 18:22:34,697 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-11-25 18:22:34,697 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2022-11-25 18:22:34,698 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2022-11-25 18:22:34,698 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2022-11-25 18:22:34,698 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2022-11-25 18:22:34,698 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2022-11-25 18:22:34,698 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,698 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,698 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2022-11-25 18:22:34,699 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:22:34,699 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-11-25 18:22:34,699 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-11-25 18:22:34,699 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2022-11-25 18:22:34,699 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2022-11-25 18:22:34,699 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2022-11-25 18:22:34,699 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,700 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,700 INFO L895 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 7))) (or (and (<= 7 ~a15~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and .cse0 (< 11 ~a12~0)) (and (<= (+ ~a12~0 43) 0) (<= ~a15~0 8) .cse1) (and .cse0 .cse1))) [2022-11-25 18:22:34,700 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2022-11-25 18:22:34,700 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2022-11-25 18:22:34,701 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-25 18:22:34,701 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-11-25 18:22:34,701 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2022-11-25 18:22:34,701 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2022-11-25 18:22:34,701 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2022-11-25 18:22:34,701 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2022-11-25 18:22:34,701 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,702 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,702 INFO L902 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true [2022-11-25 18:22:34,702 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2022-11-25 18:22:34,702 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2022-11-25 18:22:34,702 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-11-25 18:22:34,702 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-11-25 18:22:34,703 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2022-11-25 18:22:34,703 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2022-11-25 18:22:34,703 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2022-11-25 18:22:34,703 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,703 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,703 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:22:34,703 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2022-11-25 18:22:34,703 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2022-11-25 18:22:34,704 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-11-25 18:22:34,704 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-11-25 18:22:34,704 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2022-11-25 18:22:34,704 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2022-11-25 18:22:34,704 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,704 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,704 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2022-11-25 18:22:34,705 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,705 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2022-11-25 18:22:34,705 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))) [2022-11-25 18:22:34,705 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2022-11-25 18:22:34,705 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2022-11-25 18:22:34,705 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-25 18:22:34,706 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-11-25 18:22:34,706 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-25 18:22:34,706 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2022-11-25 18:22:34,706 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2022-11-25 18:22:34,706 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2022-11-25 18:22:34,706 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2022-11-25 18:22:34,706 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,707 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,707 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2022-11-25 18:22:34,707 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2022-11-25 18:22:34,707 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-11-25 18:22:34,707 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-25 18:22:34,707 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-25 18:22:34,711 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:22:34,713 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:22:34,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:22:34 BoogieIcfgContainer [2022-11-25 18:22:34,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:22:34,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:22:34,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:22:34,729 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:22:34,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:22:11" (3/4) ... [2022-11-25 18:22:34,732 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:22:34,749 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 18:22:34,750 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 18:22:34,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 18:22:34,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:22:34,876 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:22:34,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:22:34,877 INFO L158 Benchmark]: Toolchain (without parser) took 26137.90ms. Allocated memory was 138.4MB in the beginning and 501.2MB in the end (delta: 362.8MB). Free memory was 72.8MB in the beginning and 280.7MB in the end (delta: -208.0MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. [2022-11-25 18:22:34,878 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:22:34,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.37ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 72.6MB in the beginning and 125.4MB in the end (delta: -52.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-25 18:22:34,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.06ms. Allocated memory is still 182.5MB. Free memory was 125.4MB in the beginning and 115.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 18:22:34,879 INFO L158 Benchmark]: Boogie Preprocessor took 118.03ms. Allocated memory is still 182.5MB. Free memory was 115.8MB in the beginning and 109.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 18:22:34,880 INFO L158 Benchmark]: RCFGBuilder took 1600.33ms. Allocated memory is still 182.5MB. Free memory was 109.5MB in the beginning and 71.6MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-25 18:22:34,880 INFO L158 Benchmark]: TraceAbstraction took 23398.37ms. Allocated memory was 182.5MB in the beginning and 501.2MB in the end (delta: 318.8MB). Free memory was 70.5MB in the beginning and 293.3MB in the end (delta: -222.8MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2022-11-25 18:22:34,886 INFO L158 Benchmark]: Witness Printer took 148.24ms. Allocated memory is still 501.2MB. Free memory was 293.3MB in the beginning and 280.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:22:34,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.37ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 72.6MB in the beginning and 125.4MB in the end (delta: -52.8MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.06ms. Allocated memory is still 182.5MB. Free memory was 125.4MB in the beginning and 115.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.03ms. Allocated memory is still 182.5MB. Free memory was 115.8MB in the beginning and 109.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1600.33ms. Allocated memory is still 182.5MB. Free memory was 109.5MB in the beginning and 71.6MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 23398.37ms. Allocated memory was 182.5MB in the beginning and 501.2MB in the end (delta: 318.8MB). Free memory was 70.5MB in the beginning and 293.3MB in the end (delta: -222.8MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. * Witness Printer took 148.24ms. Allocated memory is still 501.2MB. Free memory was 293.3MB in the beginning and 280.7MB 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: 23.3s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1804 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1804 mSDsluCounter, 1198 SdHoareTripleChecker+Invalid, 7.7s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2656 GetRequests, 2623 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s 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: 0.7s 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, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.4s 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! [2022-11-25 18:22:34,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0fdae16-30af-4a1b-b95c-b83f85f407e6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE