./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:14:33,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:14:33,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:14:33,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:14:33,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:14:33,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:14:33,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:14:33,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:14:33,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:14:33,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:14:33,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:14:33,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:14:33,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:14:33,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:14:33,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:14:33,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:14:33,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:14:33,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:14:33,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:14:33,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:14:33,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:14:33,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:14:33,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:14:33,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:14:33,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:14:33,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:14:33,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:14:33,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:14:33,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:14:33,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:14:33,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:14:33,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:14:33,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:14:33,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:14:33,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:14:33,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:14:33,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:14:33,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:14:33,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:14:33,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:14:33,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:14:33,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:14:33,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:14:33,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:14:33,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:14:33,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:14:33,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:14:33,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:14:33,689 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:14:33,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:14:33,689 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:14:33,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:14:33,690 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:14:33,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:14:33,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:14:33,690 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:14:33,690 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:14:33,691 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:14:33,691 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:14:33,691 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:14:33,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:14:33,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:14:33,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:14:33,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:14:33,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:14:33,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:14:33,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:14:33,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:14:33,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:14:33,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:14:33,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:14:33,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:14:33,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:14:33,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:14:33,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:14:33,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:14:33,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:14:33,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:14:33,711 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:14:33,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:14:33,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:14:33,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:14:33,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:14:33,712 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a [2021-11-25 20:14:33,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:14:33,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:14:33,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:14:33,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:14:33,986 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:14:33,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2021-11-25 20:14:34,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/data/c7da03be3/c48b2484ec984a88ba89f028b1fbdd80/FLAG086de293d [2021-11-25 20:14:34,644 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:14:34,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/sv-benchmarks/c/pthread-wmm/rfi002_tso.i [2021-11-25 20:14:34,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/data/c7da03be3/c48b2484ec984a88ba89f028b1fbdd80/FLAG086de293d [2021-11-25 20:14:34,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/data/c7da03be3/c48b2484ec984a88ba89f028b1fbdd80 [2021-11-25 20:14:34,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:14:34,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:14:34,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:14:34,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:14:34,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:14:34,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:14:34" (1/1) ... [2021-11-25 20:14:34,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133736ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:34, skipping insertion in model container [2021-11-25 20:14:34,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:14:34" (1/1) ... [2021-11-25 20:14:34,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:14:35,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:14:35,180 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_2e033fe2-c84e-4290-9523-a93a7623ba2e/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2021-11-25 20:14:35,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:14:35,579 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:14:35,594 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_2e033fe2-c84e-4290-9523-a93a7623ba2e/sv-benchmarks/c/pthread-wmm/rfi002_tso.i[987,1000] [2021-11-25 20:14:35,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:14:35,765 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:14:35,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35 WrapperNode [2021-11-25 20:14:35,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:14:35,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:14:35,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:14:35,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:14:35,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,868 INFO L137 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 551 [2021-11-25 20:14:35,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:14:35,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:14:35,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:14:35,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:14:35,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:14:35,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:14:35,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:14:35,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:14:35,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (1/1) ... [2021-11-25 20:14:35,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:14:36,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:14:36,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:14:36,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:14:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:14:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 20:14:36,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:14:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:14:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:14:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-25 20:14:36,084 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-25 20:14:36,084 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-25 20:14:36,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-25 20:14:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:14:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 20:14:36,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:14:36,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:14:36,088 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 20:14:36,318 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:14:36,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:14:37,312 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:14:38,047 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:14:38,047 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:14:38,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:14:38 BoogieIcfgContainer [2021-11-25 20:14:38,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:14:38,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:14:38,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:14:38,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:14:38,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:14:34" (1/3) ... [2021-11-25 20:14:38,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2575859f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:14:38, skipping insertion in model container [2021-11-25 20:14:38,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:14:35" (2/3) ... [2021-11-25 20:14:38,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2575859f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:14:38, skipping insertion in model container [2021-11-25 20:14:38,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:14:38" (3/3) ... [2021-11-25 20:14:38,062 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2021-11-25 20:14:38,068 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 20:14:38,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:14:38,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 20:14:38,069 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 20:14:38,128 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,129 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,130 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,130 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,130 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,131 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,131 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,132 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,132 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,133 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,133 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,133 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,134 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,134 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,135 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,135 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,135 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,135 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,136 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,136 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,136 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,137 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,137 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,137 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,138 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,138 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,138 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,138 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,139 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,139 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,139 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,139 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,139 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,140 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,141 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,141 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,141 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,141 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,143 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,143 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,143 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,143 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,143 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,145 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,145 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,146 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,149 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,149 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,149 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,149 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,149 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,153 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,154 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,154 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,155 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,156 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,156 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,157 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,157 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,157 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,163 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,163 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,163 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,163 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,164 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,164 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,164 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,164 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,164 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,165 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,165 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,166 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,166 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,166 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,168 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,168 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,168 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,169 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,169 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,169 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,169 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,172 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,172 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,172 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,179 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,181 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,182 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,182 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,182 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,182 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,182 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,182 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,186 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,186 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,187 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,187 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,188 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,189 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,199 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,200 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,211 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,211 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,211 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,211 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,212 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,213 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,214 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,214 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,215 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,216 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,216 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,216 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,216 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,216 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,216 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,217 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,218 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,218 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,218 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,218 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,218 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,218 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,218 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,219 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,220 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,221 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,222 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite90#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,222 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,222 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite93#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,223 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite89#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,223 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,223 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite92#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,223 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite94#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,223 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite91#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,223 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,223 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite95#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,224 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite87#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,224 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite90#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,224 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite88#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,224 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,225 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite90#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,225 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,225 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite93#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,225 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite89#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,225 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,225 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite92#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,225 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite94#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,226 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite91#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,226 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,226 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite95#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,226 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite87#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,226 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite90#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,226 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite88#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,226 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,227 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,227 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,228 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,228 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,233 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,235 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,236 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,239 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,239 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,239 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,239 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,239 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,239 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,240 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite88#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite95#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite89#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,245 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite94#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,246 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,247 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite93#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,248 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite92#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,249 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,250 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,250 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,250 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,250 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite87#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,250 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite91#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,251 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,255 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,255 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,256 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite90#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:14:38,256 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 20:14:38,323 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:14:38,332 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:14:38,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-25 20:14:38,354 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 20:14:38,367 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 114 transitions, 238 flow [2021-11-25 20:14:38,370 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 114 transitions, 238 flow [2021-11-25 20:14:38,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 114 transitions, 238 flow [2021-11-25 20:14:38,424 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-11-25 20:14:38,424 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-25 20:14:38,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 53 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2021-11-25 20:14:38,431 INFO L116 LiptonReduction]: Number of co-enabled transitions 1466 [2021-11-25 20:14:57,115 INFO L131 LiptonReduction]: Checked pairs total: 4864 [2021-11-25 20:14:57,115 INFO L133 LiptonReduction]: Total number of compositions: 105 [2021-11-25 20:14:57,122 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 24 transitions, 58 flow [2021-11-25 20:14:57,150 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 254 states, 249 states have (on average 2.5863453815261046) internal successors, (644), 253 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 254 states, 249 states have (on average 2.5863453815261046) internal successors, (644), 253 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 20:14:57,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:57,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-25 20:14:57,161 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:14:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash -2077522245, now seen corresponding path program 1 times [2021-11-25 20:14:57,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:57,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018216390] [2021-11-25 20:14:57,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:57,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:57,451 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:57,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018216390] [2021-11-25 20:14:57,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018216390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:57,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:57,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:14:57,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819112698] [2021-11-25 20:14:57,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:57,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:14:57,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:57,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:14:57,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:57,492 INFO L87 Difference]: Start difference. First operand has 254 states, 249 states have (on average 2.5863453815261046) internal successors, (644), 253 states have internal predecessors, (644), 0 states have call successors, (0), 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, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:57,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:57,643 INFO L93 Difference]: Finished difference Result 224 states and 541 transitions. [2021-11-25 20:14:57,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:14:57,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2021-11-25 20:14:57,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:57,662 INFO L225 Difference]: With dead ends: 224 [2021-11-25 20:14:57,662 INFO L226 Difference]: Without dead ends: 224 [2021-11-25 20:14:57,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:57,668 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:57,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:14:57,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-25 20:14:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2021-11-25 20:14:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 221 states have (on average 2.4479638009049776) internal successors, (541), 223 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 541 transitions. [2021-11-25 20:14:57,755 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 541 transitions. Word has length 5 [2021-11-25 20:14:57,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:57,755 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 541 transitions. [2021-11-25 20:14:57,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 541 transitions. [2021-11-25 20:14:57,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 20:14:57,756 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:57,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-25 20:14:57,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:14:57,757 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:14:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:57,761 INFO L85 PathProgramCache]: Analyzing trace with hash 21322057, now seen corresponding path program 1 times [2021-11-25 20:14:57,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:57,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657145191] [2021-11-25 20:14:57,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:57,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:57,872 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:57,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657145191] [2021-11-25 20:14:57,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657145191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:57,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:57,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:14:57,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886929698] [2021-11-25 20:14:57,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:57,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:14:57,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:57,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:14:57,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:57,875 INFO L87 Difference]: Start difference. First operand 224 states and 541 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:57,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:57,968 INFO L93 Difference]: Finished difference Result 194 states and 462 transitions. [2021-11-25 20:14:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:14:57,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2021-11-25 20:14:57,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:57,971 INFO L225 Difference]: With dead ends: 194 [2021-11-25 20:14:57,971 INFO L226 Difference]: Without dead ends: 182 [2021-11-25 20:14:57,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:57,973 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:57,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 0 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:14:57,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-11-25 20:14:57,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2021-11-25 20:14:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 2.3977900552486187) internal successors, (434), 181 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) [2021-11-25 20:14:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 434 transitions. [2021-11-25 20:14:57,986 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 434 transitions. Word has length 6 [2021-11-25 20:14:57,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:57,986 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 434 transitions. [2021-11-25 20:14:57,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 434 transitions. [2021-11-25 20:14:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 20:14:57,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:57,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:57,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:14:57,988 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:14:57,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:57,988 INFO L85 PathProgramCache]: Analyzing trace with hash 661037109, now seen corresponding path program 1 times [2021-11-25 20:14:57,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:57,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794117907] [2021-11-25 20:14:57,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:57,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:58,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:58,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794117907] [2021-11-25 20:14:58,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794117907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:58,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:58,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:14:58,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016641807] [2021-11-25 20:14:58,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:58,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:14:58,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:58,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:14:58,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:58,166 INFO L87 Difference]: Start difference. First operand 182 states and 434 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:58,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:58,245 INFO L93 Difference]: Finished difference Result 161 states and 374 transitions. [2021-11-25 20:14:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:14:58,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2021-11-25 20:14:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:58,248 INFO L225 Difference]: With dead ends: 161 [2021-11-25 20:14:58,248 INFO L226 Difference]: Without dead ends: 161 [2021-11-25 20:14:58,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:58,250 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 8 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:58,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 0 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:14:58,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-25 20:14:58,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-11-25 20:14:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 2.3375) internal successors, (374), 160 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 374 transitions. [2021-11-25 20:14:58,262 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 374 transitions. Word has length 7 [2021-11-25 20:14:58,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:58,262 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 374 transitions. [2021-11-25 20:14:58,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 374 transitions. [2021-11-25 20:14:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 20:14:58,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:58,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:58,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:14:58,264 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:14:58,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:58,265 INFO L85 PathProgramCache]: Analyzing trace with hash -420586731, now seen corresponding path program 1 times [2021-11-25 20:14:58,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:58,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782302718] [2021-11-25 20:14:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:58,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:58,454 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:58,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782302718] [2021-11-25 20:14:58,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782302718] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:58,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:58,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:14:58,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011781216] [2021-11-25 20:14:58,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:58,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:14:58,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:58,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:14:58,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:58,457 INFO L87 Difference]: Start difference. First operand 161 states and 374 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:58,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:58,539 INFO L93 Difference]: Finished difference Result 152 states and 350 transitions. [2021-11-25 20:14:58,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:14:58,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-11-25 20:14:58,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:58,542 INFO L225 Difference]: With dead ends: 152 [2021-11-25 20:14:58,542 INFO L226 Difference]: Without dead ends: 152 [2021-11-25 20:14:58,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:14:58,543 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:58,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:14:58,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-25 20:14:58,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-11-25 20:14:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 2.3178807947019866) internal successors, (350), 151 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 350 transitions. [2021-11-25 20:14:58,553 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 350 transitions. Word has length 10 [2021-11-25 20:14:58,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:58,553 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 350 transitions. [2021-11-25 20:14:58,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 350 transitions. [2021-11-25 20:14:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:14:58,555 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:58,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:58,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:14:58,556 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:14:58,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:58,556 INFO L85 PathProgramCache]: Analyzing trace with hash -990731100, now seen corresponding path program 1 times [2021-11-25 20:14:58,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:58,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398315800] [2021-11-25 20:14:58,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:58,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:58,895 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:58,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398315800] [2021-11-25 20:14:58,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398315800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:58,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:58,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:14:58,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740234968] [2021-11-25 20:14:58,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:58,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:14:58,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:58,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:14:58,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:14:58,898 INFO L87 Difference]: Start difference. First operand 152 states and 350 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:59,084 INFO L93 Difference]: Finished difference Result 188 states and 440 transitions. [2021-11-25 20:14:59,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:14:59,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2021-11-25 20:14:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:59,088 INFO L225 Difference]: With dead ends: 188 [2021-11-25 20:14:59,088 INFO L226 Difference]: Without dead ends: 188 [2021-11-25 20:14:59,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:14:59,089 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:59,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:14:59,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-11-25 20:14:59,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2021-11-25 20:14:59,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 2.337278106508876) internal successors, (395), 169 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) [2021-11-25 20:14:59,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 395 transitions. [2021-11-25 20:14:59,104 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 395 transitions. Word has length 13 [2021-11-25 20:14:59,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:59,105 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 395 transitions. [2021-11-25 20:14:59,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 395 transitions. [2021-11-25 20:14:59,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:14:59,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:59,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:59,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:14:59,108 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:14:59,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:59,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1279529926, now seen corresponding path program 2 times [2021-11-25 20:14:59,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:59,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081558226] [2021-11-25 20:14:59,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:59,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:59,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:59,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081558226] [2021-11-25 20:14:59,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081558226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:59,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:59,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:14:59,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268710344] [2021-11-25 20:14:59,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:59,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 20:14:59,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 20:14:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:14:59,413 INFO L87 Difference]: Start difference. First operand 170 states and 395 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:59,639 INFO L93 Difference]: Finished difference Result 176 states and 407 transitions. [2021-11-25 20:14:59,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 20:14:59,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2021-11-25 20:14:59,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:59,641 INFO L225 Difference]: With dead ends: 176 [2021-11-25 20:14:59,642 INFO L226 Difference]: Without dead ends: 176 [2021-11-25 20:14:59,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-25 20:14:59,643 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:59,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:14:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-11-25 20:14:59,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 165. [2021-11-25 20:14:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 2.3109756097560976) internal successors, (379), 164 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 379 transitions. [2021-11-25 20:14:59,653 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 379 transitions. Word has length 13 [2021-11-25 20:14:59,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:59,653 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 379 transitions. [2021-11-25 20:14:59,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,654 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 379 transitions. [2021-11-25 20:14:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:14:59,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:59,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:59,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:14:59,656 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:14:59,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:59,657 INFO L85 PathProgramCache]: Analyzing trace with hash -740040744, now seen corresponding path program 3 times [2021-11-25 20:14:59,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:59,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045364131] [2021-11-25 20:14:59,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:59,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:14:59,846 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:59,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045364131] [2021-11-25 20:14:59,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045364131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:59,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:59,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:14:59,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106597352] [2021-11-25 20:14:59,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:59,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:14:59,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:59,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:14:59,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:14:59,849 INFO L87 Difference]: Start difference. First operand 165 states and 379 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:59,981 INFO L93 Difference]: Finished difference Result 173 states and 400 transitions. [2021-11-25 20:14:59,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:14:59,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2021-11-25 20:14:59,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:59,985 INFO L225 Difference]: With dead ends: 173 [2021-11-25 20:14:59,985 INFO L226 Difference]: Without dead ends: 173 [2021-11-25 20:14:59,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:14:59,986 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:59,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:14:59,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-25 20:14:59,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 160. [2021-11-25 20:14:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 2.3144654088050314) internal successors, (368), 159 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 368 transitions. [2021-11-25 20:14:59,995 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 368 transitions. Word has length 13 [2021-11-25 20:14:59,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:59,996 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 368 transitions. [2021-11-25 20:14:59,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:14:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 368 transitions. [2021-11-25 20:14:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 20:14:59,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:59,998 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:59,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:14:59,999 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:14:59,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:00,000 INFO L85 PathProgramCache]: Analyzing trace with hash -647893874, now seen corresponding path program 1 times [2021-11-25 20:15:00,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:00,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251320081] [2021-11-25 20:15:00,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:00,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:00,295 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:00,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251320081] [2021-11-25 20:15:00,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251320081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:00,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:00,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 20:15:00,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87218555] [2021-11-25 20:15:00,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:00,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 20:15:00,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:00,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 20:15:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:15:00,297 INFO L87 Difference]: Start difference. First operand 160 states and 368 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:00,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:00,631 INFO L93 Difference]: Finished difference Result 330 states and 753 transitions. [2021-11-25 20:15:00,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 20:15:00,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-11-25 20:15:00,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:00,634 INFO L225 Difference]: With dead ends: 330 [2021-11-25 20:15:00,635 INFO L226 Difference]: Without dead ends: 264 [2021-11-25 20:15:00,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-25 20:15:00,636 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:00,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 0 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:15:00,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2021-11-25 20:15:00,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 159. [2021-11-25 20:15:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 158 states have (on average 2.259493670886076) internal successors, (357), 158 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 357 transitions. [2021-11-25 20:15:00,645 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 357 transitions. Word has length 14 [2021-11-25 20:15:00,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:00,645 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 357 transitions. [2021-11-25 20:15:00,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 357 transitions. [2021-11-25 20:15:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 20:15:00,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:00,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:00,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 20:15:00,647 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:00,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:00,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1010723198, now seen corresponding path program 1 times [2021-11-25 20:15:00,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:00,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050760545] [2021-11-25 20:15:00,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:00,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:01,008 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:01,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050760545] [2021-11-25 20:15:01,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050760545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:01,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:01,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 20:15:01,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779658487] [2021-11-25 20:15:01,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:01,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 20:15:01,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:01,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 20:15:01,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:15:01,010 INFO L87 Difference]: Start difference. First operand 159 states and 357 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:01,293 INFO L93 Difference]: Finished difference Result 200 states and 460 transitions. [2021-11-25 20:15:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:15:01,294 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-11-25 20:15:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:01,296 INFO L225 Difference]: With dead ends: 200 [2021-11-25 20:15:01,296 INFO L226 Difference]: Without dead ends: 200 [2021-11-25 20:15:01,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:15:01,297 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 16 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:01,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 0 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:15:01,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-11-25 20:15:01,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 128. [2021-11-25 20:15:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 2.251968503937008) internal successors, (286), 127 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 286 transitions. [2021-11-25 20:15:01,305 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 286 transitions. Word has length 14 [2021-11-25 20:15:01,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:01,306 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 286 transitions. [2021-11-25 20:15:01,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 286 transitions. [2021-11-25 20:15:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:15:01,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:01,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:01,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 20:15:01,307 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:01,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1005144641, now seen corresponding path program 1 times [2021-11-25 20:15:01,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:01,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811191397] [2021-11-25 20:15:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:01,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:01,459 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:01,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811191397] [2021-11-25 20:15:01,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811191397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:01,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:01,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:15:01,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258457274] [2021-11-25 20:15:01,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:01,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:15:01,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:01,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:15:01,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:15:01,462 INFO L87 Difference]: Start difference. First operand 128 states and 286 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:01,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:01,628 INFO L93 Difference]: Finished difference Result 202 states and 446 transitions. [2021-11-25 20:15:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:15:01,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-11-25 20:15:01,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:01,630 INFO L225 Difference]: With dead ends: 202 [2021-11-25 20:15:01,630 INFO L226 Difference]: Without dead ends: 158 [2021-11-25 20:15:01,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:15:01,631 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:01,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:15:01,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-25 20:15:01,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2021-11-25 20:15:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 2.2038216560509554) internal successors, (346), 157 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 346 transitions. [2021-11-25 20:15:01,639 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 346 transitions. Word has length 15 [2021-11-25 20:15:01,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:01,639 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 346 transitions. [2021-11-25 20:15:01,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 346 transitions. [2021-11-25 20:15:01,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:15:01,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:01,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:01,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 20:15:01,641 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:01,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:01,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1401167461, now seen corresponding path program 2 times [2021-11-25 20:15:01,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:01,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34751774] [2021-11-25 20:15:01,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:01,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:01,947 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:01,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34751774] [2021-11-25 20:15:01,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34751774] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:01,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:01,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:15:01,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472370481] [2021-11-25 20:15:01,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:01,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:15:01,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:01,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:15:01,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:15:01,949 INFO L87 Difference]: Start difference. First operand 158 states and 346 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:02,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:02,370 INFO L93 Difference]: Finished difference Result 193 states and 412 transitions. [2021-11-25 20:15:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:15:02,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-11-25 20:15:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:02,373 INFO L225 Difference]: With dead ends: 193 [2021-11-25 20:15:02,373 INFO L226 Difference]: Without dead ends: 161 [2021-11-25 20:15:02,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:15:02,374 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:02,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:15:02,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-25 20:15:02,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2021-11-25 20:15:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 2.198675496688742) internal successors, (332), 151 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:02,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 332 transitions. [2021-11-25 20:15:02,381 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 332 transitions. Word has length 15 [2021-11-25 20:15:02,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:02,381 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 332 transitions. [2021-11-25 20:15:02,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 332 transitions. [2021-11-25 20:15:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:15:02,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:02,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:02,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 20:15:02,384 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:02,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:02,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1390125571, now seen corresponding path program 3 times [2021-11-25 20:15:02,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:02,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502662095] [2021-11-25 20:15:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:02,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:02,573 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:02,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502662095] [2021-11-25 20:15:02,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502662095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:02,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:02,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:15:02,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125907154] [2021-11-25 20:15:02,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:02,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:15:02,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:02,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:15:02,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:15:02,575 INFO L87 Difference]: Start difference. First operand 152 states and 332 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:02,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:02,832 INFO L93 Difference]: Finished difference Result 187 states and 401 transitions. [2021-11-25 20:15:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:15:02,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-11-25 20:15:02,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:02,835 INFO L225 Difference]: With dead ends: 187 [2021-11-25 20:15:02,835 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 20:15:02,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 20:15:02,836 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 34 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:02,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 0 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:15:02,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 20:15:02,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 140. [2021-11-25 20:15:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 2.143884892086331) internal successors, (298), 139 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 298 transitions. [2021-11-25 20:15:02,846 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 298 transitions. Word has length 15 [2021-11-25 20:15:02,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:02,847 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 298 transitions. [2021-11-25 20:15:02,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 298 transitions. [2021-11-25 20:15:02,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:15:02,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:02,848 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:02,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 20:15:02,848 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:02,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1630364699, now seen corresponding path program 4 times [2021-11-25 20:15:02,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:02,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899958327] [2021-11-25 20:15:02,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:02,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:03,069 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:03,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899958327] [2021-11-25 20:15:03,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899958327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:03,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:03,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:15:03,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024549190] [2021-11-25 20:15:03,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:03,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 20:15:03,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:03,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 20:15:03,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:15:03,071 INFO L87 Difference]: Start difference. First operand 140 states and 298 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:03,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:03,369 INFO L93 Difference]: Finished difference Result 213 states and 449 transitions. [2021-11-25 20:15:03,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:15:03,370 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-11-25 20:15:03,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:03,372 INFO L225 Difference]: With dead ends: 213 [2021-11-25 20:15:03,372 INFO L226 Difference]: Without dead ends: 171 [2021-11-25 20:15:03,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:15:03,373 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 15 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:03,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 0 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:15:03,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-11-25 20:15:03,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2021-11-25 20:15:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 2.188311688311688) internal successors, (337), 154 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 337 transitions. [2021-11-25 20:15:03,380 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 337 transitions. Word has length 15 [2021-11-25 20:15:03,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:03,380 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 337 transitions. [2021-11-25 20:15:03,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 337 transitions. [2021-11-25 20:15:03,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:15:03,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:03,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:03,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 20:15:03,382 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:03,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:03,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1640512859, now seen corresponding path program 5 times [2021-11-25 20:15:03,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:03,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642413538] [2021-11-25 20:15:03,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:03,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:03,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:03,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642413538] [2021-11-25 20:15:03,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642413538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:03,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:03,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:15:03,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340722984] [2021-11-25 20:15:03,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:03,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:15:03,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:03,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:15:03,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:15:03,695 INFO L87 Difference]: Start difference. First operand 155 states and 337 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:04,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:04,094 INFO L93 Difference]: Finished difference Result 184 states and 389 transitions. [2021-11-25 20:15:04,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:15:04,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-11-25 20:15:04,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:04,097 INFO L225 Difference]: With dead ends: 184 [2021-11-25 20:15:04,097 INFO L226 Difference]: Without dead ends: 175 [2021-11-25 20:15:04,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:15:04,098 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 57 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:04,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 0 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:15:04,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-11-25 20:15:04,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 161. [2021-11-25 20:15:04,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 2.20625) internal successors, (353), 160 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 353 transitions. [2021-11-25 20:15:04,108 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 353 transitions. Word has length 15 [2021-11-25 20:15:04,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:04,108 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 353 transitions. [2021-11-25 20:15:04,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 353 transitions. [2021-11-25 20:15:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:15:04,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:04,110 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:04,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 20:15:04,110 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:04,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:04,111 INFO L85 PathProgramCache]: Analyzing trace with hash 720395263, now seen corresponding path program 6 times [2021-11-25 20:15:04,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:04,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904729199] [2021-11-25 20:15:04,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:04,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:04,330 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:04,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904729199] [2021-11-25 20:15:04,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904729199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:04,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:04,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:15:04,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567218282] [2021-11-25 20:15:04,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:04,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 20:15:04,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:04,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 20:15:04,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:15:04,333 INFO L87 Difference]: Start difference. First operand 161 states and 353 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:04,714 INFO L93 Difference]: Finished difference Result 237 states and 502 transitions. [2021-11-25 20:15:04,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 20:15:04,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-11-25 20:15:04,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:04,716 INFO L225 Difference]: With dead ends: 237 [2021-11-25 20:15:04,716 INFO L226 Difference]: Without dead ends: 169 [2021-11-25 20:15:04,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:15:04,717 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:04,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:15:04,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-11-25 20:15:04,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 124. [2021-11-25 20:15:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 2.203252032520325) internal successors, (271), 123 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:04,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 271 transitions. [2021-11-25 20:15:04,727 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 271 transitions. Word has length 15 [2021-11-25 20:15:04,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:04,727 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 271 transitions. [2021-11-25 20:15:04,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 271 transitions. [2021-11-25 20:15:04,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:15:04,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:04,728 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:04,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 20:15:04,729 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:04,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:04,729 INFO L85 PathProgramCache]: Analyzing trace with hash 143920055, now seen corresponding path program 1 times [2021-11-25 20:15:04,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:04,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784148755] [2021-11-25 20:15:04,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:04,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:04,966 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:04,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784148755] [2021-11-25 20:15:04,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784148755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:04,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:04,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:15:04,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599266610] [2021-11-25 20:15:04,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:04,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 20:15:04,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:04,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 20:15:04,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:15:04,971 INFO L87 Difference]: Start difference. First operand 124 states and 271 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:05,233 INFO L93 Difference]: Finished difference Result 159 states and 337 transitions. [2021-11-25 20:15:05,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:15:05,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-11-25 20:15:05,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:05,235 INFO L225 Difference]: With dead ends: 159 [2021-11-25 20:15:05,235 INFO L226 Difference]: Without dead ends: 121 [2021-11-25 20:15:05,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-25 20:15:05,236 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 29 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:05,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 0 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:15:05,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-11-25 20:15:05,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 73. [2021-11-25 20:15:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 2.0) internal successors, (144), 72 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 144 transitions. [2021-11-25 20:15:05,240 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 144 transitions. Word has length 16 [2021-11-25 20:15:05,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:05,240 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 144 transitions. [2021-11-25 20:15:05,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 144 transitions. [2021-11-25 20:15:05,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:15:05,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:05,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:05,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 20:15:05,241 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:05,244 INFO L85 PathProgramCache]: Analyzing trace with hash 683409237, now seen corresponding path program 2 times [2021-11-25 20:15:05,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:05,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908541934] [2021-11-25 20:15:05,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:05,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:05,798 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:05,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908541934] [2021-11-25 20:15:05,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908541934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:05,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:05,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 20:15:05,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095372957] [2021-11-25 20:15:05,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:05,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 20:15:05,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:05,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 20:15:05,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 20:15:05,801 INFO L87 Difference]: Start difference. First operand 73 states and 144 transitions. Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:06,152 INFO L93 Difference]: Finished difference Result 127 states and 254 transitions. [2021-11-25 20:15:06,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 20:15:06,152 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-11-25 20:15:06,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:06,153 INFO L225 Difference]: With dead ends: 127 [2021-11-25 20:15:06,153 INFO L226 Difference]: Without dead ends: 76 [2021-11-25 20:15:06,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-25 20:15:06,156 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:06,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:15:06,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-25 20:15:06,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 67. [2021-11-25 20:15:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.9545454545454546) internal successors, (129), 66 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 129 transitions. [2021-11-25 20:15:06,160 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 129 transitions. Word has length 16 [2021-11-25 20:15:06,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:06,160 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 129 transitions. [2021-11-25 20:15:06,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2021-11-25 20:15:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:15:06,161 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:06,161 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:06,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 20:15:06,162 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:06,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1988026251, now seen corresponding path program 3 times [2021-11-25 20:15:06,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:06,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182170327] [2021-11-25 20:15:06,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:06,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:06,775 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:06,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182170327] [2021-11-25 20:15:06,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182170327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:06,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:06,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 20:15:06,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817735393] [2021-11-25 20:15:06,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:06,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 20:15:06,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:06,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 20:15:06,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-25 20:15:06,777 INFO L87 Difference]: Start difference. First operand 67 states and 129 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:07,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:07,148 INFO L93 Difference]: Finished difference Result 106 states and 205 transitions. [2021-11-25 20:15:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:15:07,149 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-11-25 20:15:07,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:07,150 INFO L225 Difference]: With dead ends: 106 [2021-11-25 20:15:07,150 INFO L226 Difference]: Without dead ends: 61 [2021-11-25 20:15:07,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-25 20:15:07,151 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 23 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:07,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 0 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:15:07,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-25 20:15:07,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-11-25 20:15:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.9) internal successors, (114), 60 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 114 transitions. [2021-11-25 20:15:07,154 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 114 transitions. Word has length 16 [2021-11-25 20:15:07,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:07,154 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 114 transitions. [2021-11-25 20:15:07,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:07,154 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2021-11-25 20:15:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:15:07,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:07,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:07,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 20:15:07,155 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:07,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:07,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1192737547, now seen corresponding path program 4 times [2021-11-25 20:15:07,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:07,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926480648] [2021-11-25 20:15:07,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:07,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:07,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:07,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926480648] [2021-11-25 20:15:07,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926480648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:07,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:07,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 20:15:07,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972251726] [2021-11-25 20:15:07,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:07,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 20:15:07,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:07,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 20:15:07,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 20:15:07,665 INFO L87 Difference]: Start difference. First operand 61 states and 114 transitions. Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:07,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:07,976 INFO L93 Difference]: Finished difference Result 89 states and 162 transitions. [2021-11-25 20:15:07,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 20:15:07,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-11-25 20:15:07,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:07,978 INFO L225 Difference]: With dead ends: 89 [2021-11-25 20:15:07,978 INFO L226 Difference]: Without dead ends: 79 [2021-11-25 20:15:07,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-11-25 20:15:07,979 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 35 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:07,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 0 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:15:07,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-11-25 20:15:07,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 69. [2021-11-25 20:15:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.9411764705882353) internal successors, (132), 68 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 132 transitions. [2021-11-25 20:15:07,984 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 132 transitions. Word has length 16 [2021-11-25 20:15:07,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:07,984 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 132 transitions. [2021-11-25 20:15:07,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 132 transitions. [2021-11-25 20:15:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:15:07,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:07,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:07,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 20:15:07,986 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:07,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:07,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1285685467, now seen corresponding path program 5 times [2021-11-25 20:15:07,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:07,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663041667] [2021-11-25 20:15:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:07,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:08,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:08,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663041667] [2021-11-25 20:15:08,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663041667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:08,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:08,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 20:15:08,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24123436] [2021-11-25 20:15:08,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:08,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 20:15:08,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:08,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 20:15:08,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:15:08,295 INFO L87 Difference]: Start difference. First operand 69 states and 132 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:08,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:08,638 INFO L93 Difference]: Finished difference Result 95 states and 177 transitions. [2021-11-25 20:15:08,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 20:15:08,639 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-11-25 20:15:08,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:08,640 INFO L225 Difference]: With dead ends: 95 [2021-11-25 20:15:08,640 INFO L226 Difference]: Without dead ends: 54 [2021-11-25 20:15:08,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-11-25 20:15:08,641 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:08,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:15:08,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-25 20:15:08,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-25 20:15:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 53 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 96 transitions. [2021-11-25 20:15:08,644 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 96 transitions. Word has length 16 [2021-11-25 20:15:08,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:08,644 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 96 transitions. [2021-11-25 20:15:08,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 96 transitions. [2021-11-25 20:15:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:15:08,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:08,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:08,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 20:15:08,646 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-25 20:15:08,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:08,646 INFO L85 PathProgramCache]: Analyzing trace with hash -274647351, now seen corresponding path program 6 times [2021-11-25 20:15:08,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:08,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230986364] [2021-11-25 20:15:08,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:08,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:15:09,174 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:09,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230986364] [2021-11-25 20:15:09,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230986364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:09,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:09,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 20:15:09,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039976612] [2021-11-25 20:15:09,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:09,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 20:15:09,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:09,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 20:15:09,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-25 20:15:09,176 INFO L87 Difference]: Start difference. First operand 54 states and 96 transitions. Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:09,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:09,489 INFO L93 Difference]: Finished difference Result 50 states and 88 transitions. [2021-11-25 20:15:09,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 20:15:09,489 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2021-11-25 20:15:09,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:09,489 INFO L225 Difference]: With dead ends: 50 [2021-11-25 20:15:09,489 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 20:15:09,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-11-25 20:15:09,491 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:09,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:15:09,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 20:15:09,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 20:15:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 20:15:09,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-11-25 20:15:09,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:09,493 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 20:15:09,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:15:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 20:15:09,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 20:15:09,495 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-25 20:15:09,496 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-25 20:15:09,496 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2021-11-25 20:15:09,496 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2021-11-25 20:15:09,496 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 7 remaining) [2021-11-25 20:15:09,497 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2021-11-25 20:15:09,497 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-25 20:15:09,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 20:15:09,499 INFO L732 BasicCegarLoop]: Path program histogram: [6, 6, 3, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:09,503 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 20:15:09,503 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:15:09,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:15:09 BasicIcfg [2021-11-25 20:15:09,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:15:09,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:15:09,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:15:09,507 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:15:09,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:14:38" (3/4) ... [2021-11-25 20:15:09,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:15:09,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-11-25 20:15:09,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-11-25 20:15:09,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2021-11-25 20:15:09,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2021-11-25 20:15:09,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 20:15:09,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 20:15:09,712 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:15:09,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:15:09,712 INFO L158 Benchmark]: Toolchain (without parser) took 34770.92ms. Allocated memory was 109.1MB in the beginning and 465.6MB in the end (delta: 356.5MB). Free memory was 78.6MB in the beginning and 406.4MB in the end (delta: -327.8MB). Peak memory consumption was 247.6MB. Max. memory is 16.1GB. [2021-11-25 20:15:09,713 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:15:09,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.22ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 78.5MB in the beginning and 127.5MB in the end (delta: -49.1MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2021-11-25 20:15:09,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.65ms. Allocated memory is still 155.2MB. Free memory was 127.5MB in the beginning and 125.5MB in the end (delta: 1.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-25 20:15:09,726 INFO L158 Benchmark]: Boogie Preprocessor took 105.27ms. Allocated memory is still 155.2MB. Free memory was 125.5MB in the beginning and 122.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 20:15:09,727 INFO L158 Benchmark]: RCFGBuilder took 2065.39ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 122.0MB in the beginning and 155.6MB in the end (delta: -33.6MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2021-11-25 20:15:09,728 INFO L158 Benchmark]: TraceAbstraction took 31451.44ms. Allocated memory was 201.3MB in the beginning and 465.6MB in the end (delta: 264.2MB). Free memory was 154.5MB in the beginning and 192.5MB in the end (delta: -38.0MB). Peak memory consumption was 225.2MB. Max. memory is 16.1GB. [2021-11-25 20:15:09,730 INFO L158 Benchmark]: Witness Printer took 205.17ms. Allocated memory is still 465.6MB. Free memory was 192.5MB in the beginning and 406.4MB in the end (delta: -213.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 20:15:09,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.22ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 78.5MB in the beginning and 127.5MB in the end (delta: -49.1MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.65ms. Allocated memory is still 155.2MB. Free memory was 127.5MB in the beginning and 125.5MB in the end (delta: 1.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.27ms. Allocated memory is still 155.2MB. Free memory was 125.5MB in the beginning and 122.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2065.39ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 122.0MB in the beginning and 155.6MB in the end (delta: -33.6MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31451.44ms. Allocated memory was 201.3MB in the beginning and 465.6MB in the end (delta: 264.2MB). Free memory was 154.5MB in the beginning and 192.5MB in the end (delta: -38.0MB). Peak memory consumption was 225.2MB. Max. memory is 16.1GB. * Witness Printer took 205.17ms. Allocated memory is still 465.6MB. Free memory was 192.5MB in the beginning and 406.4MB in the end (delta: -213.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.7s, 119 PlacesBefore, 30 PlacesAfterwards, 114 TransitionsBefore, 24 TransitionsAfterwards, 1466 CoEnabledTransitionPairs, 7 FixpointIterations, 53 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 105 TotalNumberOfCompositions, 4864 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1918, positive: 1717, positive conditional: 0, positive unconditional: 1717, negative: 201, negative conditional: 0, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1065, positive: 1000, positive conditional: 0, positive unconditional: 1000, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1065, positive: 967, positive conditional: 0, positive unconditional: 967, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1335, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 1278, negative conditional: 0, negative unconditional: 1278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1918, positive: 717, positive conditional: 0, positive unconditional: 717, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 1065, unknown conditional: 0, unknown unconditional: 1065] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 72, Positive conditional cache size: 0, Positive unconditional cache size: 72, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - 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: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 with 1 thread instances CFG has 5 procedures, 136 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 31.2s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 18.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 533 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 533 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 776 mSDsCounter, 416 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2220 IncrementalHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 416 mSolverCounterUnsat, 0 mSDtfsCounter, 2220 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=0, InterpolantAutomatonStates: 146, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 389 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 3668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-25 20:15:09,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e033fe2-c84e-4290-9523-a93a7623ba2e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE