./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc --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 a272bf0f73a58d72dfba23a9c902bbeb665b6b76cc21acf92951a09cb8e04c47 --- 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-5e519f3 [2022-11-02 20:26:45,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:26:45,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:26:45,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:26:45,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:26:45,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:26:45,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:26:45,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:26:45,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:26:45,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:26:45,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:26:45,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:26:45,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:26:45,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:26:45,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:26:45,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:26:45,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:26:45,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:26:45,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:26:45,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:26:45,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:26:45,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:26:45,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:26:45,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:26:45,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:26:45,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:26:45,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:26:45,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:26:45,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:26:45,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:26:45,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:26:45,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:26:45,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:26:45,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:26:45,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:26:45,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:26:45,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:26:45,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:26:45,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:26:45,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:26:45,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:26:45,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:26:45,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:26:45,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:26:45,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:26:45,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:26:45,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:26:45,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:26:45,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:26:45,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:26:45,465 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:26:45,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:26:45,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:26:45,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:26:45,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:26:45,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:26:45,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:26:45,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:26:45,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:26:45,469 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:26:45,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:26:45,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:26:45,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:26:45,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:26:45,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:26:45,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:26:45,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:26:45,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:26:45,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:26:45,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:26:45,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:26:45,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:26:45,476 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:26:45,476 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:26:45,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:26:45,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a272bf0f73a58d72dfba23a9c902bbeb665b6b76cc21acf92951a09cb8e04c47 [2022-11-02 20:26:45,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:26:45,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:26:45,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:26:45,920 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:26:45,921 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:26:45,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/eca-rers2012/Problem03_label30.c [2022-11-02 20:26:46,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/data/df5c1e804/f477b97c801849828e5cd7458dc3524b/FLAG9a58c4169 [2022-11-02 20:26:46,848 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:26:46,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/sv-benchmarks/c/eca-rers2012/Problem03_label30.c [2022-11-02 20:26:46,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/data/df5c1e804/f477b97c801849828e5cd7458dc3524b/FLAG9a58c4169 [2022-11-02 20:26:46,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/data/df5c1e804/f477b97c801849828e5cd7458dc3524b [2022-11-02 20:26:46,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:26:46,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:26:46,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:26:46,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:26:46,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:26:46,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:26:46" (1/1) ... [2022-11-02 20:26:46,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0bfedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:46, skipping insertion in model container [2022-11-02 20:26:46,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:26:46" (1/1) ... [2022-11-02 20:26:47,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:26:47,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:26:47,904 WARN L230 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_5e432923-5c18-49ec-804f-1909f9f29eeb/sv-benchmarks/c/eca-rers2012/Problem03_label30.c[57849,57862] [2022-11-02 20:26:47,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:26:48,001 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:26:48,366 WARN L230 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_5e432923-5c18-49ec-804f-1909f9f29eeb/sv-benchmarks/c/eca-rers2012/Problem03_label30.c[57849,57862] [2022-11-02 20:26:48,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:26:48,411 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:26:48,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48 WrapperNode [2022-11-02 20:26:48,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:26:48,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:26:48,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:26:48,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:26:48,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,604 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-11-02 20:26:48,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:26:48,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:26:48,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:26:48,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:26:48,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,700 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:26:48,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:26:48,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:26:48,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:26:48,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (1/1) ... [2022-11-02 20:26:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:26:48,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:48,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:48,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:26:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:26:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:26:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:26:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:26:48,982 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:26:48,985 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:26:51,567 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:26:51,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:26:51,589 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:26:51,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:51 BoogieIcfgContainer [2022-11-02 20:26:51,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:26:51,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:26:51,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:26:51,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:26:51,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:26:46" (1/3) ... [2022-11-02 20:26:51,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba8d1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:26:51, skipping insertion in model container [2022-11-02 20:26:51,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:48" (2/3) ... [2022-11-02 20:26:51,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba8d1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:26:51, skipping insertion in model container [2022-11-02 20:26:51,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:51" (3/3) ... [2022-11-02 20:26:51,610 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label30.c [2022-11-02 20:26:51,633 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:26:51,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:26:51,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:26:51,751 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;@18b829f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:26:51,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:26:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-02 20:26:51,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:51,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:51,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:51,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash 174616531, now seen corresponding path program 1 times [2022-11-02 20:26:51,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:51,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798264679] [2022-11-02 20:26:51,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:51,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:53,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:53,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798264679] [2022-11-02 20:26:53,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798264679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:53,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:53,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:26:53,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133055857] [2022-11-02 20:26:53,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:53,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:53,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:53,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:53,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:53,469 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:55,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:55,227 INFO L93 Difference]: Finished difference Result 824 states and 1460 transitions. [2022-11-02 20:26:55,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:55,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2022-11-02 20:26:55,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:55,247 INFO L225 Difference]: With dead ends: 824 [2022-11-02 20:26:55,248 INFO L226 Difference]: Without dead ends: 444 [2022-11-02 20:26:55,253 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 [2022-11-02 20:26:55,257 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 55 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:55,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 238 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-02 20:26:55,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-11-02 20:26:55,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2022-11-02 20:26:55,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 442 states have (on average 1.418552036199095) internal successors, (627), 442 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 627 transitions. [2022-11-02 20:26:55,333 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 627 transitions. Word has length 175 [2022-11-02 20:26:55,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:55,334 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 627 transitions. [2022-11-02 20:26:55,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 627 transitions. [2022-11-02 20:26:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-02 20:26:55,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:55,341 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:55,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:26:55,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:55,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:55,343 INFO L85 PathProgramCache]: Analyzing trace with hash -93879212, now seen corresponding path program 1 times [2022-11-02 20:26:55,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:55,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41374678] [2022-11-02 20:26:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:55,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:55,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41374678] [2022-11-02 20:26:55,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41374678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:55,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:55,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:26:55,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416054671] [2022-11-02 20:26:55,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:55,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:55,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:55,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:55,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:55,728 INFO L87 Difference]: Start difference. First operand 443 states and 627 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:56,998 INFO L93 Difference]: Finished difference Result 1310 states and 1861 transitions. [2022-11-02 20:26:57,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:57,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2022-11-02 20:26:57,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:57,012 INFO L225 Difference]: With dead ends: 1310 [2022-11-02 20:26:57,013 INFO L226 Difference]: Without dead ends: 869 [2022-11-02 20:26:57,015 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 [2022-11-02 20:26:57,017 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:57,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 92 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:26:57,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2022-11-02 20:26:57,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 855. [2022-11-02 20:26:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 854 states have (on average 1.3875878220140516) internal successors, (1185), 854 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1185 transitions. [2022-11-02 20:26:57,068 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1185 transitions. Word has length 183 [2022-11-02 20:26:57,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:57,069 INFO L495 AbstractCegarLoop]: Abstraction has 855 states and 1185 transitions. [2022-11-02 20:26:57,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:57,069 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1185 transitions. [2022-11-02 20:26:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-02 20:26:57,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:57,077 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:57,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:26:57,078 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:57,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:57,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1497909608, now seen corresponding path program 1 times [2022-11-02 20:26:57,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:57,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142640194] [2022-11-02 20:26:57,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:57,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 20:26:57,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:57,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142640194] [2022-11-02 20:26:57,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142640194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:57,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:57,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:26:57,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148939561] [2022-11-02 20:26:57,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:57,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:57,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:57,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:57,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:57,561 INFO L87 Difference]: Start difference. First operand 855 states and 1185 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:58,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:26:58,872 INFO L93 Difference]: Finished difference Result 2547 states and 3535 transitions. [2022-11-02 20:26:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:26:58,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 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 192 [2022-11-02 20:26:58,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:26:58,880 INFO L225 Difference]: With dead ends: 2547 [2022-11-02 20:26:58,881 INFO L226 Difference]: Without dead ends: 1694 [2022-11-02 20:26:58,884 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 [2022-11-02 20:26:58,894 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 275 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:26:58,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 227 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:26:58,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-11-02 20:26:58,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1687. [2022-11-02 20:26:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1686 states have (on average 1.3724792408066429) internal successors, (2314), 1686 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2314 transitions. [2022-11-02 20:26:58,956 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2314 transitions. Word has length 192 [2022-11-02 20:26:58,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:26:58,956 INFO L495 AbstractCegarLoop]: Abstraction has 1687 states and 2314 transitions. [2022-11-02 20:26:58,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:26:58,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2314 transitions. [2022-11-02 20:26:58,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-02 20:26:58,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:26:58,963 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:26:58,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:26:58,964 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:26:58,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:58,965 INFO L85 PathProgramCache]: Analyzing trace with hash 800099661, now seen corresponding path program 1 times [2022-11-02 20:26:58,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:58,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218699770] [2022-11-02 20:26:58,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:58,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:26:59,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:26:59,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218699770] [2022-11-02 20:26:59,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218699770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:26:59,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:26:59,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:26:59,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7826804] [2022-11-02 20:26:59,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:26:59,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:26:59,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:26:59,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:26:59,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:26:59,294 INFO L87 Difference]: Start difference. First operand 1687 states and 2314 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:00,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:00,561 INFO L93 Difference]: Finished difference Result 4190 states and 5944 transitions. [2022-11-02 20:27:00,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:00,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 195 [2022-11-02 20:27:00,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:00,573 INFO L225 Difference]: With dead ends: 4190 [2022-11-02 20:27:00,573 INFO L226 Difference]: Without dead ends: 2505 [2022-11-02 20:27:00,578 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 [2022-11-02 20:27:00,590 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 236 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:00,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 405 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:27:00,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2022-11-02 20:27:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2502. [2022-11-02 20:27:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2502 states, 2501 states have (on average 1.3102758896441424) internal successors, (3277), 2501 states have internal predecessors, (3277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3277 transitions. [2022-11-02 20:27:00,672 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3277 transitions. Word has length 195 [2022-11-02 20:27:00,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:00,673 INFO L495 AbstractCegarLoop]: Abstraction has 2502 states and 3277 transitions. [2022-11-02 20:27:00,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3277 transitions. [2022-11-02 20:27:00,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-02 20:27:00,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:00,682 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:00,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:27:00,682 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:00,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:00,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1457983073, now seen corresponding path program 1 times [2022-11-02 20:27:00,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:00,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144842942] [2022-11-02 20:27:00,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:00,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:27:01,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:01,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144842942] [2022-11-02 20:27:01,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144842942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:01,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:01,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:27:01,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745474406] [2022-11-02 20:27:01,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:01,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:01,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:01,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:01,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:01,326 INFO L87 Difference]: Start difference. First operand 2502 states and 3277 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:02,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:02,538 INFO L93 Difference]: Finished difference Result 5827 states and 7690 transitions. [2022-11-02 20:27:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:02,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 203 [2022-11-02 20:27:02,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:02,553 INFO L225 Difference]: With dead ends: 5827 [2022-11-02 20:27:02,553 INFO L226 Difference]: Without dead ends: 3327 [2022-11-02 20:27:02,556 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 [2022-11-02 20:27:02,558 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:02,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 364 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 20:27:02,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3327 states. [2022-11-02 20:27:02,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3327 to 3317. [2022-11-02 20:27:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3317 states, 3316 states have (on average 1.2831724969843186) internal successors, (4255), 3316 states have internal predecessors, (4255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 3317 states and 4255 transitions. [2022-11-02 20:27:02,649 INFO L78 Accepts]: Start accepts. Automaton has 3317 states and 4255 transitions. Word has length 203 [2022-11-02 20:27:02,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:02,650 INFO L495 AbstractCegarLoop]: Abstraction has 3317 states and 4255 transitions. [2022-11-02 20:27:02,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3317 states and 4255 transitions. [2022-11-02 20:27:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-02 20:27:02,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:02,664 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:02,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:27:02,665 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:02,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:02,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1450768731, now seen corresponding path program 1 times [2022-11-02 20:27:02,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:02,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645399002] [2022-11-02 20:27:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:02,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:27:03,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:03,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645399002] [2022-11-02 20:27:03,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645399002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:03,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:03,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:27:03,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074841252] [2022-11-02 20:27:03,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:03,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:03,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:03,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:03,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:03,161 INFO L87 Difference]: Start difference. First operand 3317 states and 4255 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:04,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:04,459 INFO L93 Difference]: Finished difference Result 9081 states and 11775 transitions. [2022-11-02 20:27:04,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:04,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 210 [2022-11-02 20:27:04,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:04,487 INFO L225 Difference]: With dead ends: 9081 [2022-11-02 20:27:04,487 INFO L226 Difference]: Without dead ends: 5766 [2022-11-02 20:27:04,492 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 [2022-11-02 20:27:04,493 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 202 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:04,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 386 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:27:04,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5766 states. [2022-11-02 20:27:04,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5766 to 5760. [2022-11-02 20:27:04,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5760 states, 5759 states have (on average 1.2401458586560166) internal successors, (7142), 5759 states have internal predecessors, (7142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5760 states to 5760 states and 7142 transitions. [2022-11-02 20:27:04,650 INFO L78 Accepts]: Start accepts. Automaton has 5760 states and 7142 transitions. Word has length 210 [2022-11-02 20:27:04,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:04,652 INFO L495 AbstractCegarLoop]: Abstraction has 5760 states and 7142 transitions. [2022-11-02 20:27:04,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 5760 states and 7142 transitions. [2022-11-02 20:27:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-02 20:27:04,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:04,664 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:04,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:27:04,664 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:04,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:04,665 INFO L85 PathProgramCache]: Analyzing trace with hash 543920742, now seen corresponding path program 1 times [2022-11-02 20:27:04,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:04,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847947891] [2022-11-02 20:27:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:04,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:05,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:05,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847947891] [2022-11-02 20:27:05,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847947891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:05,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:05,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:27:05,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833914403] [2022-11-02 20:27:05,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:05,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:27:05,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:05,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:27:05,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:27:05,251 INFO L87 Difference]: Start difference. First operand 5760 states and 7142 transitions. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:07,321 INFO L93 Difference]: Finished difference Result 11544 states and 14334 transitions. [2022-11-02 20:27:07,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:27:07,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2022-11-02 20:27:07,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:07,346 INFO L225 Difference]: With dead ends: 11544 [2022-11-02 20:27:07,346 INFO L226 Difference]: Without dead ends: 5786 [2022-11-02 20:27:07,353 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 [2022-11-02 20:27:07,355 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 407 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:07,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 199 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 20:27:07,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5786 states. [2022-11-02 20:27:07,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5786 to 4948. [2022-11-02 20:27:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4948 states, 4947 states have (on average 1.2460076814230847) internal successors, (6164), 4947 states have internal predecessors, (6164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4948 states to 4948 states and 6164 transitions. [2022-11-02 20:27:07,504 INFO L78 Accepts]: Start accepts. Automaton has 4948 states and 6164 transitions. Word has length 219 [2022-11-02 20:27:07,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:07,505 INFO L495 AbstractCegarLoop]: Abstraction has 4948 states and 6164 transitions. [2022-11-02 20:27:07,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4948 states and 6164 transitions. [2022-11-02 20:27:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-02 20:27:07,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:07,519 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:07,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:27:07,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:07,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:07,521 INFO L85 PathProgramCache]: Analyzing trace with hash 659726089, now seen corresponding path program 1 times [2022-11-02 20:27:07,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:07,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432133179] [2022-11-02 20:27:07,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:07,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-02 20:27:08,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:08,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432133179] [2022-11-02 20:27:08,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432133179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:08,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:08,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:27:08,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662607097] [2022-11-02 20:27:08,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:08,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:08,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:08,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:08,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:08,099 INFO L87 Difference]: Start difference. First operand 4948 states and 6164 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:09,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:09,433 INFO L93 Difference]: Finished difference Result 14393 states and 17935 transitions. [2022-11-02 20:27:09,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:09,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 223 [2022-11-02 20:27:09,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:09,468 INFO L225 Difference]: With dead ends: 14393 [2022-11-02 20:27:09,469 INFO L226 Difference]: Without dead ends: 9447 [2022-11-02 20:27:09,476 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 [2022-11-02 20:27:09,477 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 218 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:09,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 196 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:27:09,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9447 states. [2022-11-02 20:27:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9447 to 9436. [2022-11-02 20:27:09,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9436 states, 9435 states have (on average 1.2218335983041866) internal successors, (11528), 9435 states have internal predecessors, (11528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9436 states to 9436 states and 11528 transitions. [2022-11-02 20:27:09,779 INFO L78 Accepts]: Start accepts. Automaton has 9436 states and 11528 transitions. Word has length 223 [2022-11-02 20:27:09,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:09,780 INFO L495 AbstractCegarLoop]: Abstraction has 9436 states and 11528 transitions. [2022-11-02 20:27:09,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9436 states and 11528 transitions. [2022-11-02 20:27:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-02 20:27:09,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:09,799 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:09,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:27:09,801 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:09,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:09,802 INFO L85 PathProgramCache]: Analyzing trace with hash 890126555, now seen corresponding path program 1 times [2022-11-02 20:27:09,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:09,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282094767] [2022-11-02 20:27:09,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:09,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-02 20:27:10,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:10,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282094767] [2022-11-02 20:27:10,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282094767] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:27:10,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290973135] [2022-11-02 20:27:10,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:10,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:27:10,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:10,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:27:10,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:27:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:10,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:27:10,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:27:11,227 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:27:11,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:27:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:27:11,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290973135] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:27:11,588 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:27:11,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 6 [2022-11-02 20:27:11,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458145807] [2022-11-02 20:27:11,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:27:11,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:27:11,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:11,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:27:11,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:27:11,592 INFO L87 Difference]: Start difference. First operand 9436 states and 11528 transitions. Second operand has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:18,105 INFO L93 Difference]: Finished difference Result 61772 states and 76379 transitions. [2022-11-02 20:27:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:27:18,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 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 226 [2022-11-02 20:27:18,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:18,238 INFO L225 Difference]: With dead ends: 61772 [2022-11-02 20:27:18,238 INFO L226 Difference]: Without dead ends: 52541 [2022-11-02 20:27:18,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:27:18,269 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 2651 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 3778 mSolverCounterSat, 1227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 5005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1227 IncrementalHoareTripleChecker+Valid, 3778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:18,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 407 Invalid, 5005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1227 Valid, 3778 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-02 20:27:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52541 states. [2022-11-02 20:27:19,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52541 to 51667. [2022-11-02 20:27:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51667 states, 51666 states have (on average 1.178066813765339) internal successors, (60866), 51666 states have internal predecessors, (60866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51667 states to 51667 states and 60866 transitions. [2022-11-02 20:27:19,626 INFO L78 Accepts]: Start accepts. Automaton has 51667 states and 60866 transitions. Word has length 226 [2022-11-02 20:27:19,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:19,626 INFO L495 AbstractCegarLoop]: Abstraction has 51667 states and 60866 transitions. [2022-11-02 20:27:19,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 51667 states and 60866 transitions. [2022-11-02 20:27:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-02 20:27:19,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:19,668 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:19,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:27:19,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:27:19,895 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:19,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:19,895 INFO L85 PathProgramCache]: Analyzing trace with hash 26999431, now seen corresponding path program 1 times [2022-11-02 20:27:19,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:19,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995765590] [2022-11-02 20:27:19,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:19,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:21,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:21,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995765590] [2022-11-02 20:27:21,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995765590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:21,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:21,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:27:21,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419329261] [2022-11-02 20:27:21,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:21,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:21,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:21,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:21,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:21,218 INFO L87 Difference]: Start difference. First operand 51667 states and 60866 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 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) [2022-11-02 20:27:22,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:22,773 INFO L93 Difference]: Finished difference Result 102113 states and 120353 transitions. [2022-11-02 20:27:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:22,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 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 249 [2022-11-02 20:27:22,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:22,887 INFO L225 Difference]: With dead ends: 102113 [2022-11-02 20:27:22,888 INFO L226 Difference]: Without dead ends: 51057 [2022-11-02 20:27:22,952 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 [2022-11-02 20:27:22,953 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 133 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:22,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 196 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 20:27:23,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51057 states. [2022-11-02 20:27:24,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51057 to 51056. [2022-11-02 20:27:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51056 states, 51055 states have (on average 1.1772206444030946) internal successors, (60103), 51055 states have internal predecessors, (60103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51056 states to 51056 states and 60103 transitions. [2022-11-02 20:27:24,450 INFO L78 Accepts]: Start accepts. Automaton has 51056 states and 60103 transitions. Word has length 249 [2022-11-02 20:27:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:24,451 INFO L495 AbstractCegarLoop]: Abstraction has 51056 states and 60103 transitions. [2022-11-02 20:27:24,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 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) [2022-11-02 20:27:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 51056 states and 60103 transitions. [2022-11-02 20:27:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-02 20:27:24,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:24,507 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:24,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:27:24,507 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:24,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:24,508 INFO L85 PathProgramCache]: Analyzing trace with hash -213655855, now seen corresponding path program 1 times [2022-11-02 20:27:24,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:24,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896553326] [2022-11-02 20:27:24,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:24,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:27:25,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:25,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896553326] [2022-11-02 20:27:25,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896553326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:25,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:25,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:27:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478466359] [2022-11-02 20:27:25,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:25,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:25,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:25,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:25,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:25,581 INFO L87 Difference]: Start difference. First operand 51056 states and 60103 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:27,436 INFO L93 Difference]: Finished difference Result 122493 states and 144278 transitions. [2022-11-02 20:27:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:27,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2022-11-02 20:27:27,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:27,581 INFO L225 Difference]: With dead ends: 122493 [2022-11-02 20:27:27,582 INFO L226 Difference]: Without dead ends: 72454 [2022-11-02 20:27:27,620 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 [2022-11-02 20:27:27,621 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 188 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:27,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 219 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-02 20:27:27,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72454 states. [2022-11-02 20:27:29,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72454 to 72036. [2022-11-02 20:27:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72036 states, 72035 states have (on average 1.169945165544527) internal successors, (84277), 72035 states have internal predecessors, (84277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72036 states to 72036 states and 84277 transitions. [2022-11-02 20:27:29,393 INFO L78 Accepts]: Start accepts. Automaton has 72036 states and 84277 transitions. Word has length 253 [2022-11-02 20:27:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:29,393 INFO L495 AbstractCegarLoop]: Abstraction has 72036 states and 84277 transitions. [2022-11-02 20:27:29,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 72036 states and 84277 transitions. [2022-11-02 20:27:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-02 20:27:29,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:29,443 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:29,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:27:29,444 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:29,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:29,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1780262992, now seen corresponding path program 1 times [2022-11-02 20:27:29,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:29,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929634191] [2022-11-02 20:27:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:29,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-02 20:27:30,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:30,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929634191] [2022-11-02 20:27:30,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929634191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:30,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:30,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:27:30,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18436123] [2022-11-02 20:27:30,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:30,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:30,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:30,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:30,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:30,611 INFO L87 Difference]: Start difference. First operand 72036 states and 84277 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:32,419 INFO L93 Difference]: Finished difference Result 147986 states and 173071 transitions. [2022-11-02 20:27:32,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:32,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 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 283 [2022-11-02 20:27:32,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:32,551 INFO L225 Difference]: With dead ends: 147986 [2022-11-02 20:27:32,551 INFO L226 Difference]: Without dead ends: 83678 [2022-11-02 20:27:32,595 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 [2022-11-02 20:27:32,596 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 241 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:32,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 219 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:27:32,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83678 states. [2022-11-02 20:27:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83678 to 83654. [2022-11-02 20:27:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83654 states, 83653 states have (on average 1.1674297395192044) internal successors, (97659), 83653 states have internal predecessors, (97659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:34,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83654 states to 83654 states and 97659 transitions. [2022-11-02 20:27:34,120 INFO L78 Accepts]: Start accepts. Automaton has 83654 states and 97659 transitions. Word has length 283 [2022-11-02 20:27:34,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:34,120 INFO L495 AbstractCegarLoop]: Abstraction has 83654 states and 97659 transitions. [2022-11-02 20:27:34,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 83654 states and 97659 transitions. [2022-11-02 20:27:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-02 20:27:34,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:34,172 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:34,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:27:34,173 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:34,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:34,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1542055283, now seen corresponding path program 1 times [2022-11-02 20:27:34,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:34,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589165460] [2022-11-02 20:27:34,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:34,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-02 20:27:35,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:35,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589165460] [2022-11-02 20:27:35,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589165460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:35,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:35,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:27:35,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158116431] [2022-11-02 20:27:35,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:35,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:27:35,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:35,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:27:35,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:27:35,148 INFO L87 Difference]: Start difference. First operand 83654 states and 97659 transitions. Second operand has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:38,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:38,054 INFO L93 Difference]: Finished difference Result 185337 states and 216498 transitions. [2022-11-02 20:27:38,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:27:38,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 290 [2022-11-02 20:27:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:38,187 INFO L225 Difference]: With dead ends: 185337 [2022-11-02 20:27:38,187 INFO L226 Difference]: Without dead ends: 103717 [2022-11-02 20:27:38,233 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 [2022-11-02 20:27:38,234 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 353 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:38,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 169 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-02 20:27:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103717 states. [2022-11-02 20:27:39,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103717 to 94863. [2022-11-02 20:27:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94863 states, 94862 states have (on average 1.1641015369694925) internal successors, (110429), 94862 states have internal predecessors, (110429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94863 states to 94863 states and 110429 transitions. [2022-11-02 20:27:40,419 INFO L78 Accepts]: Start accepts. Automaton has 94863 states and 110429 transitions. Word has length 290 [2022-11-02 20:27:40,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:40,422 INFO L495 AbstractCegarLoop]: Abstraction has 94863 states and 110429 transitions. [2022-11-02 20:27:40,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 94863 states and 110429 transitions. [2022-11-02 20:27:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-11-02 20:27:40,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:40,496 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:40,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:27:40,496 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:40,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:40,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1500203540, now seen corresponding path program 1 times [2022-11-02 20:27:40,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:40,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117134538] [2022-11-02 20:27:40,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:40,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-02 20:27:41,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:41,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117134538] [2022-11-02 20:27:41,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117134538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:41,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:41,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:27:41,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938706018] [2022-11-02 20:27:41,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:41,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:27:41,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:41,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:27:41,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:27:41,017 INFO L87 Difference]: Start difference. First operand 94863 states and 110429 transitions. Second operand has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:43,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:43,081 INFO L93 Difference]: Finished difference Result 167798 states and 196240 transitions. [2022-11-02 20:27:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:27:43,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 291 [2022-11-02 20:27:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:43,167 INFO L225 Difference]: With dead ends: 167798 [2022-11-02 20:27:43,167 INFO L226 Difference]: Without dead ends: 68067 [2022-11-02 20:27:43,210 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 [2022-11-02 20:27:43,211 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 695 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:43,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 45 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 20:27:43,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68067 states. [2022-11-02 20:27:44,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68067 to 67833. [2022-11-02 20:27:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67833 states, 67832 states have (on average 1.0934367260290128) internal successors, (74170), 67832 states have internal predecessors, (74170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67833 states to 67833 states and 74170 transitions. [2022-11-02 20:27:44,653 INFO L78 Accepts]: Start accepts. Automaton has 67833 states and 74170 transitions. Word has length 291 [2022-11-02 20:27:44,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:44,654 INFO L495 AbstractCegarLoop]: Abstraction has 67833 states and 74170 transitions. [2022-11-02 20:27:44,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 67833 states and 74170 transitions. [2022-11-02 20:27:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-02 20:27:44,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:44,672 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:44,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 20:27:44,672 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:44,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:44,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1717943634, now seen corresponding path program 1 times [2022-11-02 20:27:44,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:44,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777900864] [2022-11-02 20:27:44,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:44,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 20:27:45,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:45,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777900864] [2022-11-02 20:27:45,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777900864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:45,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:45,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:27:45,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564684881] [2022-11-02 20:27:45,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:45,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:45,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:45,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:45,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:45,019 INFO L87 Difference]: Start difference. First operand 67833 states and 74170 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 2 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:46,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:46,515 INFO L93 Difference]: Finished difference Result 130741 states and 143823 transitions. [2022-11-02 20:27:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:46,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 2 states have internal predecessors, (243), 0 states have call successors, (0), 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 296 [2022-11-02 20:27:46,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:46,590 INFO L225 Difference]: With dead ends: 130741 [2022-11-02 20:27:46,591 INFO L226 Difference]: Without dead ends: 64331 [2022-11-02 20:27:46,607 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 [2022-11-02 20:27:46,607 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 151 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:46,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 122 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:27:46,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64331 states. [2022-11-02 20:27:47,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64331 to 63316. [2022-11-02 20:27:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63316 states, 63315 states have (on average 1.0763168285556346) internal successors, (68147), 63315 states have internal predecessors, (68147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63316 states to 63316 states and 68147 transitions. [2022-11-02 20:27:47,709 INFO L78 Accepts]: Start accepts. Automaton has 63316 states and 68147 transitions. Word has length 296 [2022-11-02 20:27:47,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:47,710 INFO L495 AbstractCegarLoop]: Abstraction has 63316 states and 68147 transitions. [2022-11-02 20:27:47,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 2 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 63316 states and 68147 transitions. [2022-11-02 20:27:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-02 20:27:47,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:47,728 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:47,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:27:47,728 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1588882839, now seen corresponding path program 1 times [2022-11-02 20:27:47,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:47,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962295844] [2022-11-02 20:27:47,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:47,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-02 20:27:48,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:48,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962295844] [2022-11-02 20:27:48,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962295844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:48,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:48,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:27:48,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778280031] [2022-11-02 20:27:48,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:48,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:48,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:48,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:48,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:27:48,103 INFO L87 Difference]: Start difference. First operand 63316 states and 68147 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:49,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:49,548 INFO L93 Difference]: Finished difference Result 145781 states and 157454 transitions. [2022-11-02 20:27:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:49,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 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 303 [2022-11-02 20:27:49,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:49,643 INFO L225 Difference]: With dead ends: 145781 [2022-11-02 20:27:49,643 INFO L226 Difference]: Without dead ends: 82467 [2022-11-02 20:27:49,664 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 [2022-11-02 20:27:49,665 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 207 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:49,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 136 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:27:49,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82467 states. [2022-11-02 20:27:51,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82467 to 78991. [2022-11-02 20:27:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78991 states, 78990 states have (on average 1.0816559058108621) internal successors, (85440), 78990 states have internal predecessors, (85440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78991 states to 78991 states and 85440 transitions. [2022-11-02 20:27:51,230 INFO L78 Accepts]: Start accepts. Automaton has 78991 states and 85440 transitions. Word has length 303 [2022-11-02 20:27:51,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:51,231 INFO L495 AbstractCegarLoop]: Abstraction has 78991 states and 85440 transitions. [2022-11-02 20:27:51,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:51,231 INFO L276 IsEmpty]: Start isEmpty. Operand 78991 states and 85440 transitions. [2022-11-02 20:27:51,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-11-02 20:27:51,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:51,263 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:27:51,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:27:51,264 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:51,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:51,264 INFO L85 PathProgramCache]: Analyzing trace with hash -441816732, now seen corresponding path program 1 times [2022-11-02 20:27:51,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:51,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520242013] [2022-11-02 20:27:51,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:51,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-02 20:27:51,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:51,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520242013] [2022-11-02 20:27:51,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520242013] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:27:51,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386110442] [2022-11-02 20:27:51,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:51,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:27:51,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:51,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:27:51,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:27:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:52,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:27:52,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:27:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-02 20:27:52,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:27:52,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386110442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:52,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:27:52,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-02 20:27:52,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054867832] [2022-11-02 20:27:52,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:52,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:52,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:52,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:52,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:27:52,508 INFO L87 Difference]: Start difference. First operand 78991 states and 85440 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:53,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:53,825 INFO L93 Difference]: Finished difference Result 155358 states and 168152 transitions. [2022-11-02 20:27:53,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:53,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 354 [2022-11-02 20:27:53,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:53,915 INFO L225 Difference]: With dead ends: 155358 [2022-11-02 20:27:53,915 INFO L226 Difference]: Without dead ends: 78196 [2022-11-02 20:27:53,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:27:53,949 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 86 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:53,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 272 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-02 20:27:54,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78196 states. [2022-11-02 20:27:54,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78196 to 78179. [2022-11-02 20:27:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78179 states, 78178 states have (on average 1.078065440405229) internal successors, (84281), 78178 states have internal predecessors, (84281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:55,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78179 states to 78179 states and 84281 transitions. [2022-11-02 20:27:55,085 INFO L78 Accepts]: Start accepts. Automaton has 78179 states and 84281 transitions. Word has length 354 [2022-11-02 20:27:55,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:55,085 INFO L495 AbstractCegarLoop]: Abstraction has 78179 states and 84281 transitions. [2022-11-02 20:27:55,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 78179 states and 84281 transitions. [2022-11-02 20:27:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-11-02 20:27:55,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:55,111 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:55,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-02 20:27:55,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-02 20:27:55,312 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:55,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:55,313 INFO L85 PathProgramCache]: Analyzing trace with hash -393080461, now seen corresponding path program 1 times [2022-11-02 20:27:55,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:55,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871327978] [2022-11-02 20:27:55,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:55,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 215 proven. 29 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-02 20:27:56,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:56,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871327978] [2022-11-02 20:27:56,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871327978] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:27:56,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305109619] [2022-11-02 20:27:56,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:56,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:27:56,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:56,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:27:56,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:27:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:56,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:27:56,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:27:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-02 20:27:56,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:27:56,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305109619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:56,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:27:56,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-02 20:27:56,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930267773] [2022-11-02 20:27:56,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:56,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:27:56,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:56,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:27:56,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:27:56,674 INFO L87 Difference]: Start difference. First operand 78179 states and 84281 transitions. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:57,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:57,795 INFO L93 Difference]: Finished difference Result 129458 states and 139659 transitions. [2022-11-02 20:27:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:27:57,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 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 362 [2022-11-02 20:27:57,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:57,861 INFO L225 Difference]: With dead ends: 129458 [2022-11-02 20:27:57,861 INFO L226 Difference]: Without dead ends: 50875 [2022-11-02 20:27:57,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:27:57,898 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 203 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:57,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 292 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:27:57,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50875 states. [2022-11-02 20:27:58,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50875 to 46601. [2022-11-02 20:27:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46601 states, 46600 states have (on average 1.0630257510729613) internal successors, (49537), 46600 states have internal predecessors, (49537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46601 states to 46601 states and 49537 transitions. [2022-11-02 20:27:58,926 INFO L78 Accepts]: Start accepts. Automaton has 46601 states and 49537 transitions. Word has length 362 [2022-11-02 20:27:58,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:58,926 INFO L495 AbstractCegarLoop]: Abstraction has 46601 states and 49537 transitions. [2022-11-02 20:27:58,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:27:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 46601 states and 49537 transitions. [2022-11-02 20:27:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-11-02 20:27:58,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:58,952 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:27:58,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:27:59,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-02 20:27:59,166 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:59,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:59,167 INFO L85 PathProgramCache]: Analyzing trace with hash 67321743, now seen corresponding path program 1 times [2022-11-02 20:27:59,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:59,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546287342] [2022-11-02 20:27:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:59,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-02 20:28:00,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:00,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546287342] [2022-11-02 20:28:00,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546287342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:00,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:28:00,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:28:00,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940838265] [2022-11-02 20:28:00,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:00,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:28:00,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:00,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:28:00,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:28:00,126 INFO L87 Difference]: Start difference. First operand 46601 states and 49537 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:00,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:00,986 INFO L93 Difference]: Finished difference Result 91780 states and 97615 transitions. [2022-11-02 20:28:00,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:28:00,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 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 392 [2022-11-02 20:28:00,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:01,029 INFO L225 Difference]: With dead ends: 91780 [2022-11-02 20:28:01,029 INFO L226 Difference]: Without dead ends: 46602 [2022-11-02 20:28:01,047 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 [2022-11-02 20:28:01,048 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 70 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:01,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 116 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:28:01,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46602 states. [2022-11-02 20:28:01,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46602 to 46601. [2022-11-02 20:28:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46601 states, 46600 states have (on average 1.0628969957081544) internal successors, (49531), 46600 states have internal predecessors, (49531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:01,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46601 states to 46601 states and 49531 transitions. [2022-11-02 20:28:01,582 INFO L78 Accepts]: Start accepts. Automaton has 46601 states and 49531 transitions. Word has length 392 [2022-11-02 20:28:01,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:01,583 INFO L495 AbstractCegarLoop]: Abstraction has 46601 states and 49531 transitions. [2022-11-02 20:28:01,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 46601 states and 49531 transitions. [2022-11-02 20:28:01,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-11-02 20:28:01,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:01,739 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:28:01,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-02 20:28:01,739 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:01,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:01,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1353325147, now seen corresponding path program 1 times [2022-11-02 20:28:01,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:01,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565112238] [2022-11-02 20:28:01,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:01,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 224 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-02 20:28:02,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:02,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565112238] [2022-11-02 20:28:02,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565112238] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:02,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047428899] [2022-11-02 20:28:02,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:02,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:02,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:02,550 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:02,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:28:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:02,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:28:02,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:28:03,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:03,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047428899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:03,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:03,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-02 20:28:03,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719430882] [2022-11-02 20:28:03,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:03,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:28:03,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:03,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:28:03,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:28:03,204 INFO L87 Difference]: Start difference. First operand 46601 states and 49531 transitions. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:04,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:04,579 INFO L93 Difference]: Finished difference Result 93830 states and 99860 transitions. [2022-11-02 20:28:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:28:04,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 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 400 [2022-11-02 20:28:04,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:04,625 INFO L225 Difference]: With dead ends: 93830 [2022-11-02 20:28:04,625 INFO L226 Difference]: Without dead ends: 48652 [2022-11-02 20:28:04,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:28:04,645 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 135 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:04,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 332 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:28:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48652 states. [2022-11-02 20:28:05,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48652 to 45579. [2022-11-02 20:28:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45579 states, 45578 states have (on average 1.0597876168326825) internal successors, (48303), 45578 states have internal predecessors, (48303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45579 states to 45579 states and 48303 transitions. [2022-11-02 20:28:05,181 INFO L78 Accepts]: Start accepts. Automaton has 45579 states and 48303 transitions. Word has length 400 [2022-11-02 20:28:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:05,181 INFO L495 AbstractCegarLoop]: Abstraction has 45579 states and 48303 transitions. [2022-11-02 20:28:05,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 45579 states and 48303 transitions. [2022-11-02 20:28:05,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-11-02 20:28:05,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:05,210 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:28:05,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:05,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:05,411 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:05,412 INFO L85 PathProgramCache]: Analyzing trace with hash -2084760706, now seen corresponding path program 1 times [2022-11-02 20:28:05,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:05,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945074328] [2022-11-02 20:28:05,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:05,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-02 20:28:06,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:06,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945074328] [2022-11-02 20:28:06,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945074328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:06,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:28:06,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:28:06,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408762718] [2022-11-02 20:28:06,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:06,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:28:06,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:06,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:28:06,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:28:06,107 INFO L87 Difference]: Start difference. First operand 45579 states and 48303 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:07,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:07,616 INFO L93 Difference]: Finished difference Result 109064 states and 115591 transitions. [2022-11-02 20:28:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:28:07,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 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 403 [2022-11-02 20:28:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:07,687 INFO L225 Difference]: With dead ends: 109064 [2022-11-02 20:28:07,687 INFO L226 Difference]: Without dead ends: 64705 [2022-11-02 20:28:07,714 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 [2022-11-02 20:28:07,715 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 388 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:07,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 386 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:28:07,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64705 states. [2022-11-02 20:28:08,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64705 to 63683. [2022-11-02 20:28:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63683 states, 63682 states have (on average 1.0586979052165446) internal successors, (67420), 63682 states have internal predecessors, (67420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63683 states to 63683 states and 67420 transitions. [2022-11-02 20:28:08,832 INFO L78 Accepts]: Start accepts. Automaton has 63683 states and 67420 transitions. Word has length 403 [2022-11-02 20:28:08,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:08,832 INFO L495 AbstractCegarLoop]: Abstraction has 63683 states and 67420 transitions. [2022-11-02 20:28:08,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 63683 states and 67420 transitions. [2022-11-02 20:28:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-02 20:28:08,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:08,860 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:28:08,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-02 20:28:08,861 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:08,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:08,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1428899627, now seen corresponding path program 1 times [2022-11-02 20:28:08,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:08,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559592642] [2022-11-02 20:28:08,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:08,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 290 proven. 58 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-02 20:28:11,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:11,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559592642] [2022-11-02 20:28:11,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559592642] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:11,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860976802] [2022-11-02 20:28:11,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:11,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:11,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:11,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:11,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:28:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:28:11,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:11,672 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-02 20:28:11,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:11,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860976802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:11,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:11,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-02 20:28:11,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404655696] [2022-11-02 20:28:11,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:11,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:28:11,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:11,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:28:11,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:28:11,679 INFO L87 Difference]: Start difference. First operand 63683 states and 67420 transitions. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:12,857 INFO L93 Difference]: Finished difference Result 126140 states and 133547 transitions. [2022-11-02 20:28:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:28:12,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 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 408 [2022-11-02 20:28:12,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:12,926 INFO L225 Difference]: With dead ends: 126140 [2022-11-02 20:28:12,926 INFO L226 Difference]: Without dead ends: 63270 [2022-11-02 20:28:12,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:28:12,952 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 161 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:12,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 95 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 20:28:13,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63270 states. [2022-11-02 20:28:13,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63270 to 60217. [2022-11-02 20:28:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60217 states, 60216 states have (on average 1.0528264912979939) internal successors, (63397), 60216 states have internal predecessors, (63397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60217 states to 60217 states and 63397 transitions. [2022-11-02 20:28:13,798 INFO L78 Accepts]: Start accepts. Automaton has 60217 states and 63397 transitions. Word has length 408 [2022-11-02 20:28:13,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:13,798 INFO L495 AbstractCegarLoop]: Abstraction has 60217 states and 63397 transitions. [2022-11-02 20:28:13,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 60217 states and 63397 transitions. [2022-11-02 20:28:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-11-02 20:28:13,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:13,835 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:28:13,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:14,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:14,036 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:14,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:14,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2000446158, now seen corresponding path program 1 times [2022-11-02 20:28:14,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:14,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692181199] [2022-11-02 20:28:14,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:14,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 153 proven. 252 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-02 20:28:16,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:16,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692181199] [2022-11-02 20:28:16,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692181199] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:16,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963730617] [2022-11-02 20:28:16,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:16,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:16,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:16,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:16,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:28:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:16,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:28:16,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-11-02 20:28:16,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:16,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963730617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:16,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:16,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-02 20:28:16,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580780911] [2022-11-02 20:28:16,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:16,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:28:16,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:16,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:28:16,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:28:16,929 INFO L87 Difference]: Start difference. First operand 60217 states and 63397 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:18,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:18,348 INFO L93 Difference]: Finished difference Result 122079 states and 128707 transitions. [2022-11-02 20:28:18,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:28:18,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 430 [2022-11-02 20:28:18,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:18,350 INFO L225 Difference]: With dead ends: 122079 [2022-11-02 20:28:18,350 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:28:18,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:28:18,367 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 52 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:18,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 312 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 20:28:18,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:28:18,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:28:18,368 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) [2022-11-02 20:28:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:28:18,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2022-11-02 20:28:18,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:18,369 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:28:18,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:18,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:28:18,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:28:18,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:28:18,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:18,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:18,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:28:34,372 WARN L234 SmtUtils]: Spent 8.31s on a formula simplification. DAG size of input: 541 DAG size of output: 92 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-02 20:28:42,430 WARN L234 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 541 DAG size of output: 92 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-02 20:28:42,434 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-02 20:28:42,434 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-02 20:28:42,434 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,435 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-11-02 20:28:42,436 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-02 20:28:42,437 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-02 20:28:42,438 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-02 20:28:42,439 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,439 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-11-02 20:28:42,439 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,439 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-02 20:28:42,439 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-11-02 20:28:42,440 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,440 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,440 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,440 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,441 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,441 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,441 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,441 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-02 20:28:42,442 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,442 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-02 20:28:42,442 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-11-02 20:28:42,442 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,442 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,443 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,443 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,443 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-11-02 20:28:42,443 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-11-02 20:28:42,443 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,444 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,444 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,444 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,444 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,444 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,444 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,445 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,445 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,445 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,445 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-02 20:28:42,445 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-02 20:28:42,446 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-11-02 20:28:42,446 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,446 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,446 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,446 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,446 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,447 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,447 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-11-02 20:28:42,447 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-02 20:28:42,447 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-11-02 20:28:42,447 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,448 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,448 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,448 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,448 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,448 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,449 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-02 20:28:42,449 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-02 20:28:42,449 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-11-02 20:28:42,449 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,449 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,449 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,450 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-11-02 20:28:42,450 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,450 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-11-02 20:28:42,450 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:28:42,450 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,451 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,451 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-11-02 20:28:42,451 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-11-02 20:28:42,451 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,451 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,452 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,452 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,452 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,452 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,452 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,452 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-11-02 20:28:42,453 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-11-02 20:28:42,453 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-02 20:28:42,453 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-02 20:28:42,453 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-11-02 20:28:42,453 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,454 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,454 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,454 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,454 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,454 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,455 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,455 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,455 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,455 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,455 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-02 20:28:42,455 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-02 20:28:42,456 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-11-02 20:28:42,456 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,456 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,456 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,456 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,457 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,457 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,457 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,457 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,457 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,457 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:28:42,458 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1570) no Hoare annotation was computed. [2022-11-02 20:28:42,458 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-02 20:28:42,458 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-02 20:28:42,458 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-11-02 20:28:42,458 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-11-02 20:28:42,459 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-11-02 20:28:42,459 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,459 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,459 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,459 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,460 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,460 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,460 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,460 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,460 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-02 20:28:42,460 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-02 20:28:42,461 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-11-02 20:28:42,461 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,461 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,461 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,461 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-11-02 20:28:42,462 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-11-02 20:28:42,462 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,462 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,462 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,462 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-11-02 20:28:42,462 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,463 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-11-02 20:28:42,463 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,463 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-11-02 20:28:42,463 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,463 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,464 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-11-02 20:28:42,464 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-11-02 20:28:42,464 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-11-02 20:28:42,464 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-11-02 20:28:42,464 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-02 20:28:42,464 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-02 20:28:42,465 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-02 20:28:42,465 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,465 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,465 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,469 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse10 (= ~a12~0 1)) (.cse2 (= ~a27~0 1))) (let ((.cse12 (= ~a11~0 ~a2~0)) (.cse20 (= ~a26~0 0)) (.cse11 (<= 2 ~a3~0)) (.cse14 (= ~a11~0 0)) (.cse4 (= ~a12~0 ~a8~0)) (.cse18 (= ~a15~0 1)) (.cse6 (not .cse2)) (.cse13 (= ~a16~0 1)) (.cse8 (not .cse10)) (.cse19 (= ~a12~0 ~a6~0)) (.cse5 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse16 (= ~a3~0 1)) (.cse15 (= ~a0~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (not (= ~a7~0 1))) (.cse17 (= ~a11~0 1)) (.cse7 (= ~a6~0 1)) (.cse3 (= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (and .cse9 .cse0 .cse10 .cse11 .cse1 .cse5) (and .cse0 .cse10 .cse1 .cse12 .cse3 .cse5) (and .cse9 .cse0 .cse10 .cse11 .cse13 .cse1 .cse14 .cse2 .cse15) (and .cse0 .cse11 .cse1 .cse7 .cse2) (and .cse9 .cse0 .cse1 .cse16 .cse7 .cse2) (and .cse9 .cse0 .cse10 .cse1 .cse17 .cse16 .cse2) (and .cse18 .cse0 .cse6 .cse13 .cse1 .cse17 .cse15 .cse19 .cse3) (and .cse9 .cse0 .cse17 .cse2 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse12 .cse7 .cse3) (and .cse9 .cse0 .cse10 .cse2 .cse3) (and .cse9 .cse0 .cse10 .cse13 .cse17 .cse3 .cse4) (and .cse0 .cse1 .cse12 .cse16 .cse7) (and .cse0 .cse11 .cse1 .cse7 .cse8) (and .cse20 .cse0 .cse1 .cse16 .cse7 .cse15) (and .cse0 .cse6 .cse13 .cse1 .cse7 .cse15 .cse3) (and .cse9 .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse18 .cse0 .cse11 .cse13 .cse1 .cse17 .cse19 .cse5) (and .cse0 .cse1 .cse12 .cse7 .cse2 .cse3) (and .cse9 .cse0 .cse11 .cse1 .cse12 .cse7) (and .cse0 .cse6 .cse1 .cse16 .cse8 .cse5) (and .cse0 .cse1 .cse17 .cse16 .cse5) (and .cse18 .cse9 .cse0 .cse1 .cse2 .cse19 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse15 .cse3) (and .cse0 .cse11 .cse1 .cse2 .cse15 .cse5) (and .cse20 .cse0 .cse6 .cse13 .cse1 .cse17 .cse16 .cse7) (and .cse0 .cse11 .cse1 .cse17 .cse2 .cse5) (and .cse0 .cse11 .cse13 .cse1 .cse7 .cse15) (and .cse9 .cse0 .cse11 .cse1 .cse2 .cse5) (and .cse0 .cse11 .cse1 .cse17 .cse8 .cse15 .cse5) (and .cse0 .cse6 .cse1 .cse16 .cse7 .cse8) (and .cse18 .cse9 .cse0 .cse1 .cse17 .cse7 .cse19 .cse3) (and .cse0 .cse1 .cse2 .cse15 .cse3 .cse5) (and .cse0 .cse10 .cse13 .cse1 .cse15 .cse3 .cse5) (and .cse9 .cse0 .cse17 .cse7 .cse2 .cse3) (and .cse9 .cse0 .cse1 .cse17 .cse7 .cse15 .cse3) (and .cse0 .cse6 .cse13 .cse1 .cse14 .cse7 .cse8 .cse3) (and .cse0 .cse1 .cse17 .cse8 .cse15 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse5) (and .cse18 .cse9 .cse0 .cse16 .cse7 .cse2 .cse19) (and .cse0 .cse1 .cse16 .cse15 .cse5) (and .cse18 .cse0 .cse6 .cse13 .cse1 .cse17 .cse16 .cse8 .cse19) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5) (and .cse9 .cse0 .cse17 .cse16 .cse7 .cse2) (and .cse0 .cse1 .cse16 .cse7 .cse2 .cse15) (and .cse0 .cse1 .cse17 .cse7 .cse2 .cse3)))) [2022-11-02 20:28:42,470 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,470 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,470 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,470 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-02 20:28:42,471 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-11-02 20:28:42,471 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,471 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,471 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,471 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-11-02 20:28:42,472 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,472 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,472 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,472 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,472 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,472 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,473 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-02 20:28:42,473 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-11-02 20:28:42,473 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,473 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,473 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,474 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,474 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,474 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,474 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,474 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,475 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,475 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-02 20:28:42,475 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-11-02 20:28:42,475 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,475 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,475 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-02 20:28:42,476 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-11-02 20:28:42,476 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,477 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse10 (= ~a12~0 1)) (.cse2 (= ~a27~0 1))) (let ((.cse12 (= ~a11~0 ~a2~0)) (.cse20 (= ~a26~0 0)) (.cse11 (<= 2 ~a3~0)) (.cse14 (= ~a11~0 0)) (.cse4 (= ~a12~0 ~a8~0)) (.cse18 (= ~a15~0 1)) (.cse6 (not .cse2)) (.cse13 (= ~a16~0 1)) (.cse8 (not .cse10)) (.cse19 (= ~a12~0 ~a6~0)) (.cse5 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse16 (= ~a3~0 1)) (.cse15 (= ~a0~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (not (= ~a7~0 1))) (.cse17 (= ~a11~0 1)) (.cse7 (= ~a6~0 1)) (.cse3 (= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (and .cse9 .cse0 .cse10 .cse11 .cse1 .cse5) (and .cse0 .cse10 .cse1 .cse12 .cse3 .cse5) (and .cse9 .cse0 .cse10 .cse11 .cse13 .cse1 .cse14 .cse2 .cse15) (and .cse0 .cse11 .cse1 .cse7 .cse2) (and .cse9 .cse0 .cse1 .cse16 .cse7 .cse2) (and .cse9 .cse0 .cse10 .cse1 .cse17 .cse16 .cse2) (and .cse18 .cse0 .cse6 .cse13 .cse1 .cse17 .cse15 .cse19 .cse3) (and .cse9 .cse0 .cse17 .cse2 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse12 .cse7 .cse3) (and .cse9 .cse0 .cse10 .cse2 .cse3) (and .cse9 .cse0 .cse10 .cse13 .cse17 .cse3 .cse4) (and .cse0 .cse1 .cse12 .cse16 .cse7) (and .cse0 .cse11 .cse1 .cse7 .cse8) (and .cse20 .cse0 .cse1 .cse16 .cse7 .cse15) (and .cse0 .cse6 .cse13 .cse1 .cse7 .cse15 .cse3) (and .cse9 .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse18 .cse0 .cse11 .cse13 .cse1 .cse17 .cse19 .cse5) (and .cse0 .cse1 .cse12 .cse7 .cse2 .cse3) (and .cse9 .cse0 .cse11 .cse1 .cse12 .cse7) (and .cse0 .cse6 .cse1 .cse16 .cse8 .cse5) (and .cse0 .cse1 .cse17 .cse16 .cse5) (and .cse18 .cse9 .cse0 .cse1 .cse2 .cse19 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse15 .cse3) (and .cse0 .cse11 .cse1 .cse2 .cse15 .cse5) (and .cse20 .cse0 .cse6 .cse13 .cse1 .cse17 .cse16 .cse7) (and .cse0 .cse11 .cse1 .cse17 .cse2 .cse5) (and .cse0 .cse11 .cse13 .cse1 .cse7 .cse15) (and .cse9 .cse0 .cse11 .cse1 .cse2 .cse5) (and .cse0 .cse11 .cse1 .cse17 .cse8 .cse15 .cse5) (and .cse0 .cse6 .cse1 .cse16 .cse7 .cse8) (and .cse18 .cse9 .cse0 .cse1 .cse17 .cse7 .cse19 .cse3) (and .cse0 .cse1 .cse2 .cse15 .cse3 .cse5) (and .cse0 .cse10 .cse13 .cse1 .cse15 .cse3 .cse5) (and .cse9 .cse0 .cse17 .cse7 .cse2 .cse3) (and .cse9 .cse0 .cse1 .cse17 .cse7 .cse15 .cse3) (and .cse0 .cse6 .cse13 .cse1 .cse14 .cse7 .cse8 .cse3) (and .cse0 .cse1 .cse17 .cse8 .cse15 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse5) (and .cse18 .cse9 .cse0 .cse16 .cse7 .cse2 .cse19) (and .cse0 .cse1 .cse16 .cse15 .cse5) (and .cse18 .cse0 .cse6 .cse13 .cse1 .cse17 .cse16 .cse8 .cse19) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5) (and .cse9 .cse0 .cse17 .cse16 .cse7 .cse2) (and .cse0 .cse1 .cse16 .cse7 .cse2 .cse15) (and .cse0 .cse1 .cse17 .cse7 .cse2 .cse3)))) [2022-11-02 20:28:42,477 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,477 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,477 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,478 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,478 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-02 20:28:42,478 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-11-02 20:28:42,478 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,478 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,479 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,479 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,479 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,479 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,479 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,479 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:28:42,480 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-11-02 20:28:42,480 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-11-02 20:28:42,480 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-02 20:28:42,480 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,481 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-11-02 20:28:42,481 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,481 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,481 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-11-02 20:28:42,481 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,482 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,482 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,482 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,482 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,482 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-11-02 20:28:42,482 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,483 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-02 20:28:42,483 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-11-02 20:28:42,483 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-11-02 20:28:42,483 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,483 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,484 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,484 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,484 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,484 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,484 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,485 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,485 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-11-02 20:28:42,485 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-11-02 20:28:42,485 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,485 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,485 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-02 20:28:42,486 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-11-02 20:28:42,486 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-11-02 20:28:42,486 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,486 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,486 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,487 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,487 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:28:42,487 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,487 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,488 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,488 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,488 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,488 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,488 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-02 20:28:42,488 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-11-02 20:28:42,489 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-11-02 20:28:42,489 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,489 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,489 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,489 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,490 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,490 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,490 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,490 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-11-02 20:28:42,490 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-11-02 20:28:42,490 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,491 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-02 20:28:42,491 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-02 20:28:42,491 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-11-02 20:28:42,491 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,491 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,491 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,492 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,492 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-11-02 20:28:42,492 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-11-02 20:28:42,492 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-11-02 20:28:42,492 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,493 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,493 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-11-02 20:28:42,497 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:28:42,500 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:28:42,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:28:42 BoogieIcfgContainer [2022-11-02 20:28:42,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:28:42,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:28:42,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:28:42,555 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:28:42,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:51" (3/4) ... [2022-11-02 20:28:42,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:28:42,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:28:42,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:28:42,598 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:28:42,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:28:42,847 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:28:42,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:28:42,848 INFO L158 Benchmark]: Toolchain (without parser) took 115868.66ms. Allocated memory was 140.5MB in the beginning and 14.1GB in the end (delta: 14.0GB). Free memory was 96.0MB in the beginning and 10.3GB in the end (delta: -10.2GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2022-11-02 20:28:42,849 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory was 118.9MB in the beginning and 118.8MB in the end (delta: 79.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:28:42,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.83ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 62.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-02 20:28:42,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.92ms. Allocated memory is still 140.5MB. Free memory was 62.3MB in the beginning and 102.9MB in the end (delta: -40.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-02 20:28:42,851 INFO L158 Benchmark]: Boogie Preprocessor took 124.43ms. Allocated memory is still 140.5MB. Free memory was 102.2MB in the beginning and 91.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:28:42,851 INFO L158 Benchmark]: RCFGBuilder took 2862.61ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 91.8MB in the beginning and 134.1MB in the end (delta: -42.3MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2022-11-02 20:28:42,854 INFO L158 Benchmark]: TraceAbstraction took 110954.91ms. Allocated memory was 199.2MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 134.1MB in the beginning and 10.3GB in the end (delta: -10.2GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2022-11-02 20:28:42,855 INFO L158 Benchmark]: Witness Printer took 293.47ms. Allocated memory is still 14.1GB. Free memory was 10.3GB in the beginning and 10.3GB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-02 20:28:42,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory was 118.9MB in the beginning and 118.8MB in the end (delta: 79.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.83ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 62.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.92ms. Allocated memory is still 140.5MB. Free memory was 62.3MB in the beginning and 102.9MB in the end (delta: -40.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.43ms. Allocated memory is still 140.5MB. Free memory was 102.2MB in the beginning and 91.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2862.61ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 91.8MB in the beginning and 134.1MB in the end (delta: -42.3MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * TraceAbstraction took 110954.91ms. Allocated memory was 199.2MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 134.1MB in the beginning and 10.3GB in the end (delta: -10.2GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. * Witness Printer took 293.47ms. Allocated memory is still 14.1GB. Free memory was 10.3GB in the beginning and 10.3GB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. 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: 1570]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 110.8s, OverallIterations: 23, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, AutomataDifference: 42.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7568 SdHoareTripleChecker+Valid, 30.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7568 mSDsluCounter, 5425 SdHoareTripleChecker+Invalid, 25.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 947 mSDsCounter, 3431 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17987 IncrementalHoareTripleChecker+Invalid, 21418 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3431 mSolverCounterUnsat, 4478 mSDtfsCounter, 17987 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2476 GetRequests, 2426 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94863occurred in iteration=13, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 18.6s AutomataMinimizationTime, 23 MinimizatonAttempts, 27226 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 685 NumberOfFragments, 2045 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 7.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 27814 FormulaSimplificationTreeSizeReductionInter, 16.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 18.2s InterpolantComputationTime, 8720 NumberOfCodeBlocks, 8720 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 8916 ConstructedInterpolants, 0 QuantifiedInterpolants, 30923 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3708 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 30 InterpolantComputations, 22 PerfectInterpolantSequences, 5258/5650 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && !(a7 == 1)) && a27 == 1) && a3 == 0) && a12 == a8) && a6 <= 0) || ((((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a6 == 1) && !(a12 == 1)) && a3 == 0) && a12 == a8)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && !(a7 == 1)) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == a2) && a3 == 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a27 == 1) && a0 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a3 == 1) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && a27 == 1)) || ((((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a0 == 1) && a12 == a6) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == a2) && a6 == 1) && a3 == 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a3 == 0) && a12 == a8)) || ((((a5 == 1 && !(a7 == 1)) && a11 == a2) && a3 == 1) && a6 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a6 == 1) && !(a12 == 1))) || (((((a26 == 0 && a5 == 1) && !(a7 == 1)) && a3 == 1) && a6 == 1) && a0 == 1)) || ((((((a5 == 1 && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a6 == 1) && a0 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a5 == 1) && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 == a6) && a6 <= 0)) || (((((a5 == 1 && !(a7 == 1)) && a11 == a2) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && !(a7 == 1)) && a11 == a2) && a6 == 1)) || (((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a3 == 1) && !(a12 == 1)) && a6 <= 0)) || ((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a3 == 1) && a6 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && !(a7 == 1)) && a27 == 1) && a12 == a6) && a3 == 0) && a6 <= 0)) || ((((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a6 == 1) && !(a12 == 1)) && a0 == 1) && a3 == 0)) || (((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a27 == 1) && a0 == 1) && a6 <= 0)) || (((((((a26 == 0 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && a6 == 1)) || (((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a6 == 1) && a0 == 1)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && !(a7 == 1)) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a11 == 1) && !(a12 == 1)) && a0 == 1) && a6 <= 0)) || (((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a3 == 1) && a6 == 1) && !(a12 == 1))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 == a6) && a3 == 0)) || (((((a5 == 1 && !(a7 == 1)) && a27 == 1) && a0 == 1) && a3 == 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && !(a7 == 1)) && a0 == 1) && a3 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a0 == 1) && a3 == 0)) || (((((((a5 == 1 && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a3 == 0)) || ((((((a5 == 1 && !(a7 == 1)) && a11 == 1) && !(a12 == 1)) && a0 == 1) && a3 == 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a3 == 0) && a12 == a8) && a6 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || ((((a5 == 1 && !(a7 == 1)) && a3 == 1) && a0 == 1) && a6 <= 0)) || ((((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && !(a12 == 1)) && a12 == a6)) || (((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a3 == 1) && a6 == 1) && a27 == 1)) || (((((a5 == 1 && !(a7 == 1)) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1)) || (((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && !(a7 == 1)) && a27 == 1) && a3 == 0) && a12 == a8) && a6 <= 0) || ((((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a6 == 1) && !(a12 == 1)) && a3 == 0) && a12 == a8)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && !(a7 == 1)) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == a2) && a3 == 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a27 == 1) && a0 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a3 == 1) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && a27 == 1)) || ((((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a0 == 1) && a12 == a6) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == a2) && a6 == 1) && a3 == 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a3 == 0) && a12 == a8)) || ((((a5 == 1 && !(a7 == 1)) && a11 == a2) && a3 == 1) && a6 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a6 == 1) && !(a12 == 1))) || (((((a26 == 0 && a5 == 1) && !(a7 == 1)) && a3 == 1) && a6 == 1) && a0 == 1)) || ((((((a5 == 1 && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a6 == 1) && a0 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a5 == 1) && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 == a6) && a6 <= 0)) || (((((a5 == 1 && !(a7 == 1)) && a11 == a2) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && !(a7 == 1)) && a11 == a2) && a6 == 1)) || (((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a3 == 1) && !(a12 == 1)) && a6 <= 0)) || ((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a3 == 1) && a6 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && !(a7 == 1)) && a27 == 1) && a12 == a6) && a3 == 0) && a6 <= 0)) || ((((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a6 == 1) && !(a12 == 1)) && a0 == 1) && a3 == 0)) || (((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a27 == 1) && a0 == 1) && a6 <= 0)) || (((((((a26 == 0 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && a6 == 1)) || (((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a6 == 1) && a0 == 1)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && !(a7 == 1)) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a11 == 1) && !(a12 == 1)) && a0 == 1) && a6 <= 0)) || (((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a3 == 1) && a6 == 1) && !(a12 == 1))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 == a6) && a3 == 0)) || (((((a5 == 1 && !(a7 == 1)) && a27 == 1) && a0 == 1) && a3 == 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && !(a7 == 1)) && a0 == 1) && a3 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a0 == 1) && a3 == 0)) || (((((((a5 == 1 && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a3 == 0)) || ((((((a5 == 1 && !(a7 == 1)) && a11 == 1) && !(a12 == 1)) && a0 == 1) && a3 == 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a3 == 0) && a12 == a8) && a6 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || ((((a5 == 1 && !(a7 == 1)) && a3 == 1) && a0 == 1) && a6 <= 0)) || ((((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && !(a12 == 1)) && a12 == a6)) || (((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a3 == 1) && a6 == 1) && a27 == 1)) || (((((a5 == 1 && !(a7 == 1)) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1)) || (((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:28:42,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e432923-5c18-49ec-804f-1909f9f29eeb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE