./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix005.opt.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_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/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_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix005.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/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_c1ebbb1b-6522-45db-ada4-2a13333ab132/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 0c4e58b38f229da1b25a4c7b1c830f1f36e4dc5c1e18903f04a209f4b4cfa3c5 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:00:44,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:00:44,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:00:44,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:00:44,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:00:44,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:00:44,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:00:44,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:00:44,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:00:44,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:00:44,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:00:44,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:00:44,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:00:44,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:00:44,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:00:44,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:00:44,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:00:44,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:00:44,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:00:44,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:00:44,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:00:44,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:00:44,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:00:44,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:00:44,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:00:44,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:00:44,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:00:44,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:00:44,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:00:44,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:00:44,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:00:44,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:00:44,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:00:44,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:00:44,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:00:44,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:00:44,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:00:44,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:00:44,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:00:44,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:00:44,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:00:44,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:00:44,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:00:44,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:00:44,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:00:44,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:00:44,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:00:44,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:00:44,737 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:00:44,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:00:44,737 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:00:44,738 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:00:44,738 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:00:44,738 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:00:44,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:00:44,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:00:44,739 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:00:44,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:00:44,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:00:44,740 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:00:44,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:00:44,741 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:00:44,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:00:44,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:00:44,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:00:44,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:00:44,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:00:44,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:00:44,743 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:00:44,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:00:44,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:00:44,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:00:44,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:00:44,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:00:44,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:00:44,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:00:44,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:00:44,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:00:44,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:00:44,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:00:44,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:00:44,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:00:44,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:00:44,747 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_c1ebbb1b-6522-45db-ada4-2a13333ab132/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c4e58b38f229da1b25a4c7b1c830f1f36e4dc5c1e18903f04a209f4b4cfa3c5 [2021-11-25 20:00:44,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:00:45,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:00:45,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:00:45,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:00:45,019 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:00:45,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread-wmm/mix005.opt.i [2021-11-25 20:00:45,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/data/d7be62826/0ec68712765a43189f87b6fe076be3eb/FLAG3d463e313 [2021-11-25 20:00:45,746 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:00:45,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/sv-benchmarks/c/pthread-wmm/mix005.opt.i [2021-11-25 20:00:45,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/data/d7be62826/0ec68712765a43189f87b6fe076be3eb/FLAG3d463e313 [2021-11-25 20:00:45,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/data/d7be62826/0ec68712765a43189f87b6fe076be3eb [2021-11-25 20:00:45,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:00:45,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:00:45,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:00:45,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:00:46,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:00:46,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:00:45" (1/1) ... [2021-11-25 20:00:46,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbaafa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46, skipping insertion in model container [2021-11-25 20:00:46,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:00:45" (1/1) ... [2021-11-25 20:00:46,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:00:46,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:00:46,264 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_c1ebbb1b-6522-45db-ada4-2a13333ab132/sv-benchmarks/c/pthread-wmm/mix005.opt.i[944,957] [2021-11-25 20:00:46,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:00:46,458 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:00:46,470 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_c1ebbb1b-6522-45db-ada4-2a13333ab132/sv-benchmarks/c/pthread-wmm/mix005.opt.i[944,957] [2021-11-25 20:00:46,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:00:46,577 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:00:46,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46 WrapperNode [2021-11-25 20:00:46,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:00:46,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:00:46,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:00:46,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:00:46,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,685 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 296 [2021-11-25 20:00:46,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:00:46,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:00:46,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:00:46,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:00:46,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:00:46,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:00:46,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:00:46,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:00:46,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (1/1) ... [2021-11-25 20:00:46,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:00:46,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:00:46,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:00:46,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:00:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:00:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 20:00:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:00:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:00:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:00:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-25 20:00:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-25 20:00:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-25 20:00:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-25 20:00:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-25 20:00:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-25 20:00:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-25 20:00:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-25 20:00:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:00:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 20:00:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:00:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:00:46,871 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 20:00:47,079 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:00:47,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:00:47,780 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:00:48,217 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:00:48,217 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:00:48,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:00:48 BoogieIcfgContainer [2021-11-25 20:00:48,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:00:48,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:00:48,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:00:48,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:00:48,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:00:45" (1/3) ... [2021-11-25 20:00:48,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a156e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:00:48, skipping insertion in model container [2021-11-25 20:00:48,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:00:46" (2/3) ... [2021-11-25 20:00:48,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a156e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:00:48, skipping insertion in model container [2021-11-25 20:00:48,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:00:48" (3/3) ... [2021-11-25 20:00:48,227 INFO L111 eAbstractionObserver]: Analyzing ICFG mix005.opt.i [2021-11-25 20:00:48,232 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 20:00:48,232 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:00:48,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 20:00:48,233 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 20:00:48,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,276 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,276 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,276 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,276 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,278 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,278 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,278 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,278 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,278 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,278 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,278 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,279 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,279 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,279 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,279 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,279 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,280 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,280 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,280 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,280 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,280 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,280 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,281 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,281 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,281 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,281 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,281 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,281 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,282 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,282 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,282 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,282 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,282 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,282 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,282 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,283 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,283 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,283 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,283 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,283 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,283 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,283 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,283 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,284 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,284 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,284 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,284 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,284 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,284 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,284 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,285 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,285 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,285 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,285 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,285 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,285 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,285 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,286 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,286 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,286 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,286 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,286 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,288 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,288 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,288 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,288 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,288 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,288 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,289 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,289 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,289 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,289 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,289 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,289 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,289 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,290 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,290 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,290 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,290 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,290 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,290 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,290 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,290 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,291 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,291 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,291 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,291 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,291 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,291 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,291 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,292 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,292 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,292 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,292 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,292 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,292 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,292 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,292 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,293 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,293 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,295 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,295 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,295 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,295 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,295 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,296 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,296 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,296 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,296 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,296 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,296 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,296 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,297 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,297 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,297 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,297 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,297 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,297 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,298 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,298 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,298 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,298 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,298 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,299 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,299 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,299 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,299 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,299 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,299 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,299 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,299 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,300 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,300 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,300 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,300 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,300 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,300 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,300 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,301 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,302 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,302 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,302 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,302 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,302 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,302 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,302 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,303 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,303 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,303 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,303 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,304 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,305 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,305 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,305 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,305 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,305 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,305 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,305 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,305 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,306 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,306 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,306 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,306 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,306 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,306 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,306 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,307 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,307 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,307 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,307 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,307 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,307 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,307 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,307 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,308 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,308 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,308 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,308 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,308 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,308 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,308 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,308 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,309 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,309 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,309 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,309 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,309 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,309 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,311 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,311 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,311 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,311 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,312 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,312 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,312 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,312 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,312 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,312 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,313 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,313 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,313 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,313 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,313 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,314 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,314 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,314 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,317 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,317 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,317 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,317 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,317 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,317 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,318 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,318 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,318 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,318 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,318 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,318 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,319 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,319 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,319 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,319 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,319 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,319 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,319 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,321 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,322 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,322 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,322 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,323 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,323 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,323 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,323 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,323 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,323 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,324 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,324 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,324 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,324 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,324 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,324 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,324 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,325 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,325 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,325 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,325 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,325 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,325 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,325 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,326 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,326 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,326 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,326 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,326 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,326 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,326 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,327 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,327 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,327 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,327 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,327 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,327 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,328 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,328 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,328 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,329 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,329 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,329 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 20:00:48,329 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 20:00:48,370 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:00:48,377 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 20:00:48,377 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-25 20:00:48,392 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 20:00:48,405 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 137 transitions, 294 flow [2021-11-25 20:00:48,407 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 137 transitions, 294 flow [2021-11-25 20:00:48,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 294 flow [2021-11-25 20:00:48,490 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2021-11-25 20:00:48,490 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-25 20:00:48,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2021-11-25 20:00:48,499 INFO L116 LiptonReduction]: Number of co-enabled transitions 3060 [2021-11-25 20:00:54,739 INFO L131 LiptonReduction]: Checked pairs total: 7572 [2021-11-25 20:00:54,739 INFO L133 LiptonReduction]: Total number of compositions: 117 [2021-11-25 20:00:54,763 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2021-11-25 20:00:54,937 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2602 states, 2599 states have (on average 3.841477491342824) internal successors, (9984), 2601 states have internal predecessors, (9984), 0 states have call successors, (0), 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 20:00:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 2602 states, 2599 states have (on average 3.841477491342824) internal successors, (9984), 2601 states have internal predecessors, (9984), 0 states have call successors, (0), 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 20:00:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 20:00:54,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:54,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:54,961 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:54,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:54,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1897951418, now seen corresponding path program 1 times [2021-11-25 20:00:54,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:54,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147740464] [2021-11-25 20:00:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:54,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:55,327 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 20:00:55,328 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:55,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147740464] [2021-11-25 20:00:55,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147740464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:55,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:55,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:00:55,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669431875] [2021-11-25 20:00:55,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:55,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:00:55,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:55,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:00:55,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:00:55,368 INFO L87 Difference]: Start difference. First operand has 2602 states, 2599 states have (on average 3.841477491342824) internal successors, (9984), 2601 states have internal predecessors, (9984), 0 states have call successors, (0), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 20:00:55,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:55,513 INFO L93 Difference]: Finished difference Result 2202 states and 8344 transitions. [2021-11-25 20:00:55,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:00:55,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-11-25 20:00:55,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:55,565 INFO L225 Difference]: With dead ends: 2202 [2021-11-25 20:00:55,565 INFO L226 Difference]: Without dead ends: 2122 [2021-11-25 20:00:55,566 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 20:00:55,570 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:55,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 8 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:00:55,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2021-11-25 20:00:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2021-11-25 20:00:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2122 states, 2121 states have (on average 3.8095238095238093) internal successors, (8080), 2121 states have internal predecessors, (8080), 0 states have call successors, (0), 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 20:00:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 8080 transitions. [2021-11-25 20:00:55,765 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 8080 transitions. Word has length 9 [2021-11-25 20:00:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:55,766 INFO L470 AbstractCegarLoop]: Abstraction has 2122 states and 8080 transitions. [2021-11-25 20:00:55,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 20:00:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 8080 transitions. [2021-11-25 20:00:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 20:00:55,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:55,772 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:55,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:00:55,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:55,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:55,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1429871671, now seen corresponding path program 1 times [2021-11-25 20:00:55,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:55,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545839772] [2021-11-25 20:00:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:55,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:55,984 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 20:00:55,985 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:55,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545839772] [2021-11-25 20:00:55,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545839772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:55,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:55,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:00:55,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010593741] [2021-11-25 20:00:55,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:55,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:00:55,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:55,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:00:55,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:00:55,988 INFO L87 Difference]: Start difference. First operand 2122 states and 8080 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 20:00:56,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:56,174 INFO L93 Difference]: Finished difference Result 3118 states and 11366 transitions. [2021-11-25 20:00:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:00:56,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-11-25 20:00:56,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:56,209 INFO L225 Difference]: With dead ends: 3118 [2021-11-25 20:00:56,209 INFO L226 Difference]: Without dead ends: 3046 [2021-11-25 20:00:56,209 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 20:00:56,211 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 8 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:56,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 6 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:00:56,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2021-11-25 20:00:56,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2814. [2021-11-25 20:00:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2813 states have (on average 3.719161038037682) internal successors, (10462), 2813 states have internal predecessors, (10462), 0 states have call successors, (0), 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 20:00:56,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 10462 transitions. [2021-11-25 20:00:56,371 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 10462 transitions. Word has length 11 [2021-11-25 20:00:56,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:56,372 INFO L470 AbstractCegarLoop]: Abstraction has 2814 states and 10462 transitions. [2021-11-25 20:00:56,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 20:00:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 10462 transitions. [2021-11-25 20:00:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 20:00:56,375 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:56,376 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:56,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:00:56,376 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:56,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:56,377 INFO L85 PathProgramCache]: Analyzing trace with hash 159444325, now seen corresponding path program 1 times [2021-11-25 20:00:56,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:56,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80364562] [2021-11-25 20:00:56,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:56,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:56,464 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 20:00:56,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:56,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80364562] [2021-11-25 20:00:56,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80364562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:56,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:56,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:00:56,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107319687] [2021-11-25 20:00:56,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:56,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:00:56,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:56,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:00:56,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:00:56,467 INFO L87 Difference]: Start difference. First operand 2814 states and 10462 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 20:00:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:56,636 INFO L93 Difference]: Finished difference Result 2830 states and 10298 transitions. [2021-11-25 20:00:56,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:00:56,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2021-11-25 20:00:56,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:56,682 INFO L225 Difference]: With dead ends: 2830 [2021-11-25 20:00:56,683 INFO L226 Difference]: Without dead ends: 2830 [2021-11-25 20:00:56,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:00:56,686 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 26 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:56,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 12 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:00:56,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2021-11-25 20:00:56,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2370. [2021-11-25 20:00:56,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 2369 states have (on average 3.7214014352047275) internal successors, (8816), 2369 states have internal predecessors, (8816), 0 states have call successors, (0), 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 20:00:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 8816 transitions. [2021-11-25 20:00:56,883 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 8816 transitions. Word has length 12 [2021-11-25 20:00:56,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:56,884 INFO L470 AbstractCegarLoop]: Abstraction has 2370 states and 8816 transitions. [2021-11-25 20:00:56,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 20:00:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 8816 transitions. [2021-11-25 20:00:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:00:56,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:56,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:56,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:00:56,891 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:56,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:56,892 INFO L85 PathProgramCache]: Analyzing trace with hash -325943440, now seen corresponding path program 1 times [2021-11-25 20:00:56,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:56,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483122982] [2021-11-25 20:00:56,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:56,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:57,030 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 20:00:57,030 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:57,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483122982] [2021-11-25 20:00:57,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483122982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:57,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:57,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:00:57,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761306627] [2021-11-25 20:00:57,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:57,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:00:57,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:57,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:00:57,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:00:57,032 INFO L87 Difference]: Start difference. First operand 2370 states and 8816 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 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 20:00:57,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:57,126 INFO L93 Difference]: Finished difference Result 2330 states and 8634 transitions. [2021-11-25 20:00:57,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:00:57,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 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 20:00:57,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:57,151 INFO L225 Difference]: With dead ends: 2330 [2021-11-25 20:00:57,152 INFO L226 Difference]: Without dead ends: 2330 [2021-11-25 20:00:57,152 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 20:00:57,153 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:57,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 7 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:00:57,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2021-11-25 20:00:57,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2330. [2021-11-25 20:00:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2329 states have (on average 3.707170459424646) internal successors, (8634), 2329 states have internal predecessors, (8634), 0 states have call successors, (0), 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 20:00:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 8634 transitions. [2021-11-25 20:00:57,246 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 8634 transitions. Word has length 13 [2021-11-25 20:00:57,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:57,246 INFO L470 AbstractCegarLoop]: Abstraction has 2330 states and 8634 transitions. [2021-11-25 20:00:57,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 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 20:00:57,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 8634 transitions. [2021-11-25 20:00:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 20:00:57,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:57,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:57,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:00:57,250 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:57,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:57,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1435910882, now seen corresponding path program 1 times [2021-11-25 20:00:57,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:57,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698000047] [2021-11-25 20:00:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:57,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:57,363 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 20:00:57,363 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:57,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698000047] [2021-11-25 20:00:57,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698000047] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:57,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:57,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:00:57,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768662506] [2021-11-25 20:00:57,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:57,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:00:57,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:57,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:00:57,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:00:57,366 INFO L87 Difference]: Start difference. First operand 2330 states and 8634 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 20:00:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:57,540 INFO L93 Difference]: Finished difference Result 2482 states and 9008 transitions. [2021-11-25 20:00:57,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:00:57,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 20:00:57,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:57,630 INFO L225 Difference]: With dead ends: 2482 [2021-11-25 20:00:57,631 INFO L226 Difference]: Without dead ends: 2482 [2021-11-25 20:00:57,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:00:57,635 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 29 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:57,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 9 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:00:57,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2482 states. [2021-11-25 20:00:57,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2482 to 2026. [2021-11-25 20:00:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 2025 states have (on average 3.6849382716049384) internal successors, (7462), 2025 states have internal predecessors, (7462), 0 states have call successors, (0), 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 20:00:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 7462 transitions. [2021-11-25 20:00:57,721 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 7462 transitions. Word has length 14 [2021-11-25 20:00:57,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:57,721 INFO L470 AbstractCegarLoop]: Abstraction has 2026 states and 7462 transitions. [2021-11-25 20:00:57,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 20:00:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 7462 transitions. [2021-11-25 20:00:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:00:57,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:57,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:57,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:00:57,727 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:57,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:57,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1259943255, now seen corresponding path program 1 times [2021-11-25 20:00:57,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:57,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014141771] [2021-11-25 20:00:57,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:57,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:57,884 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 20:00:57,884 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:57,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014141771] [2021-11-25 20:00:57,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014141771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:57,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:57,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:00:57,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127899201] [2021-11-25 20:00:57,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:57,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:00:57,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:57,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:00:57,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:00:57,887 INFO L87 Difference]: Start difference. First operand 2026 states and 7462 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 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 20:00:58,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:58,034 INFO L93 Difference]: Finished difference Result 2144 states and 7188 transitions. [2021-11-25 20:00:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:00:58,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 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 20:00:58,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:58,062 INFO L225 Difference]: With dead ends: 2144 [2021-11-25 20:00:58,063 INFO L226 Difference]: Without dead ends: 1592 [2021-11-25 20:00:58,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:00:58,067 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 33 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:58,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 20 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:00:58,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2021-11-25 20:00:58,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1592. [2021-11-25 20:00:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1591 states have (on average 3.3287240729101195) internal successors, (5296), 1591 states have internal predecessors, (5296), 0 states have call successors, (0), 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 20:00:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 5296 transitions. [2021-11-25 20:00:58,175 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 5296 transitions. Word has length 16 [2021-11-25 20:00:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:58,176 INFO L470 AbstractCegarLoop]: Abstraction has 1592 states and 5296 transitions. [2021-11-25 20:00:58,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 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 20:00:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 5296 transitions. [2021-11-25 20:00:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 20:00:58,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:58,180 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:58,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:00:58,180 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:58,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:58,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1086249683, now seen corresponding path program 1 times [2021-11-25 20:00:58,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:58,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57047115] [2021-11-25 20:00:58,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:58,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:58,282 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 20:00:58,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:58,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57047115] [2021-11-25 20:00:58,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57047115] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:58,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:58,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:00:58,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139414102] [2021-11-25 20:00:58,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:58,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:00:58,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:58,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:00:58,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:00:58,284 INFO L87 Difference]: Start difference. First operand 1592 states and 5296 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 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 20:00:58,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:58,374 INFO L93 Difference]: Finished difference Result 2154 states and 7010 transitions. [2021-11-25 20:00:58,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:00:58,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-11-25 20:00:58,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:58,381 INFO L225 Difference]: With dead ends: 2154 [2021-11-25 20:00:58,381 INFO L226 Difference]: Without dead ends: 1498 [2021-11-25 20:00:58,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:00:58,382 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:58,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:00:58,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2021-11-25 20:00:58,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1390. [2021-11-25 20:00:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1389 states have (on average 3.1979841612670987) internal successors, (4442), 1389 states have internal predecessors, (4442), 0 states have call successors, (0), 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 20:00:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 4442 transitions. [2021-11-25 20:00:58,431 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 4442 transitions. Word has length 18 [2021-11-25 20:00:58,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:58,431 INFO L470 AbstractCegarLoop]: Abstraction has 1390 states and 4442 transitions. [2021-11-25 20:00:58,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 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 20:00:58,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 4442 transitions. [2021-11-25 20:00:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 20:00:58,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:58,435 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:58,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:00:58,435 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:58,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:58,436 INFO L85 PathProgramCache]: Analyzing trace with hash 761537297, now seen corresponding path program 1 times [2021-11-25 20:00:58,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:58,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096008659] [2021-11-25 20:00:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:58,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:58,538 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 20:00:58,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:58,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096008659] [2021-11-25 20:00:58,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096008659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:58,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:58,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:00:58,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129666340] [2021-11-25 20:00:58,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:58,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:00:58,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:58,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:00:58,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:00:58,540 INFO L87 Difference]: Start difference. First operand 1390 states and 4442 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 20:00:58,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:58,745 INFO L93 Difference]: Finished difference Result 1228 states and 3605 transitions. [2021-11-25 20:00:58,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:00:58,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-11-25 20:00:58,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:58,752 INFO L225 Difference]: With dead ends: 1228 [2021-11-25 20:00:58,752 INFO L226 Difference]: Without dead ends: 928 [2021-11-25 20:00:58,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:00:58,754 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 60 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:58,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 28 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:00:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-11-25 20:00:58,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 928. [2021-11-25 20:00:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 927 states have (on average 2.8802588996763756) internal successors, (2670), 927 states have internal predecessors, (2670), 0 states have call successors, (0), 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 20:00:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 2670 transitions. [2021-11-25 20:00:58,789 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 2670 transitions. Word has length 18 [2021-11-25 20:00:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:58,790 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 2670 transitions. [2021-11-25 20:00:58,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 20:00:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 2670 transitions. [2021-11-25 20:00:58,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 20:00:58,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:58,794 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:58,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 20:00:58,794 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:58,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1593065691, now seen corresponding path program 1 times [2021-11-25 20:00:58,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:58,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103478728] [2021-11-25 20:00:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:58,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:58,922 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 20:00:58,922 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:58,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103478728] [2021-11-25 20:00:58,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103478728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:58,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:58,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:00:58,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029217174] [2021-11-25 20:00:58,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:58,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:00:58,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:58,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:00:58,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:00:58,925 INFO L87 Difference]: Start difference. First operand 928 states and 2670 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 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 20:00:59,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:59,113 INFO L93 Difference]: Finished difference Result 824 states and 2335 transitions. [2021-11-25 20:00:59,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:00:59,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2021-11-25 20:00:59,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:59,117 INFO L225 Difference]: With dead ends: 824 [2021-11-25 20:00:59,117 INFO L226 Difference]: Without dead ends: 725 [2021-11-25 20:00:59,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:00:59,118 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 107 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:59,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 31 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:00:59,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2021-11-25 20:00:59,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2021-11-25 20:00:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 724 states have (on average 2.8770718232044197) internal successors, (2083), 724 states have internal predecessors, (2083), 0 states have call successors, (0), 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 20:00:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 2083 transitions. [2021-11-25 20:00:59,146 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 2083 transitions. Word has length 20 [2021-11-25 20:00:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:59,146 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 2083 transitions. [2021-11-25 20:00:59,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 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 20:00:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 2083 transitions. [2021-11-25 20:00:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 20:00:59,149 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:59,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:59,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 20:00:59,150 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:59,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:59,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1537712765, now seen corresponding path program 1 times [2021-11-25 20:00:59,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:59,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914096110] [2021-11-25 20:00:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:59,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:59,305 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 20:00:59,305 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:59,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914096110] [2021-11-25 20:00:59,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914096110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:59,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:59,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 20:00:59,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988042233] [2021-11-25 20:00:59,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:59,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 20:00:59,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:59,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 20:00:59,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:00:59,309 INFO L87 Difference]: Start difference. First operand 725 states and 2083 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 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 20:00:59,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:59,496 INFO L93 Difference]: Finished difference Result 701 states and 2034 transitions. [2021-11-25 20:00:59,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:00:59,497 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2021-11-25 20:00:59,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:59,499 INFO L225 Difference]: With dead ends: 701 [2021-11-25 20:00:59,499 INFO L226 Difference]: Without dead ends: 433 [2021-11-25 20:00:59,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:00:59,500 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 95 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:59,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 28 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:00:59,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-11-25 20:00:59,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2021-11-25 20:00:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 432 states have (on average 2.8078703703703702) internal successors, (1213), 432 states have internal predecessors, (1213), 0 states have call successors, (0), 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 20:00:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 1213 transitions. [2021-11-25 20:00:59,517 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 1213 transitions. Word has length 23 [2021-11-25 20:00:59,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:59,517 INFO L470 AbstractCegarLoop]: Abstraction has 433 states and 1213 transitions. [2021-11-25 20:00:59,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 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 20:00:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1213 transitions. [2021-11-25 20:00:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:00:59,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:59,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:59,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 20:00:59,520 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:59,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:59,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1757555634, now seen corresponding path program 1 times [2021-11-25 20:00:59,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:59,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814221647] [2021-11-25 20:00:59,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:59,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:59,659 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 20:00:59,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:59,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814221647] [2021-11-25 20:00:59,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814221647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:59,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:59,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:00:59,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838956152] [2021-11-25 20:00:59,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:59,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:00:59,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:59,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:00:59,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:00:59,661 INFO L87 Difference]: Start difference. First operand 433 states and 1213 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 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 20:00:59,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:59,844 INFO L93 Difference]: Finished difference Result 622 states and 1738 transitions. [2021-11-25 20:00:59,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:00:59,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2021-11-25 20:00:59,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:59,846 INFO L225 Difference]: With dead ends: 622 [2021-11-25 20:00:59,846 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 20:00:59,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:00:59,852 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 41 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:59,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 13 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:00:59,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 20:00:59,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 184. [2021-11-25 20:00:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 2.480874316939891) internal successors, (454), 183 states have internal predecessors, (454), 0 states have call successors, (0), 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 20:00:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 454 transitions. [2021-11-25 20:00:59,858 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 454 transitions. Word has length 26 [2021-11-25 20:00:59,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:59,858 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 454 transitions. [2021-11-25 20:00:59,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 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 20:00:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 454 transitions. [2021-11-25 20:00:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:00:59,859 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:59,859 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:59,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 20:00:59,860 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:00:59,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:59,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1161352026, now seen corresponding path program 2 times [2021-11-25 20:00:59,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:59,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477812383] [2021-11-25 20:00:59,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:59,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:00,001 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 20:01:00,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:00,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477812383] [2021-11-25 20:01:00,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477812383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:00,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:00,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:01:00,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377340066] [2021-11-25 20:01:00,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:00,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 20:01:00,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:00,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 20:01:00,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:01:00,003 INFO L87 Difference]: Start difference. First operand 184 states and 454 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 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 20:01:00,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:00,278 INFO L93 Difference]: Finished difference Result 252 states and 623 transitions. [2021-11-25 20:01:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 20:01:00,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2021-11-25 20:01:00,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:00,279 INFO L225 Difference]: With dead ends: 252 [2021-11-25 20:01:00,279 INFO L226 Difference]: Without dead ends: 168 [2021-11-25 20:01:00,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-25 20:01:00,280 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 43 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:00,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 17 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:01:00,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-25 20:01:00,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 138. [2021-11-25 20:01:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 2.3795620437956204) internal successors, (326), 137 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:01:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 326 transitions. [2021-11-25 20:01:00,285 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 326 transitions. Word has length 26 [2021-11-25 20:01:00,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:00,286 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 326 transitions. [2021-11-25 20:01:00,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 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 20:01:00,286 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 326 transitions. [2021-11-25 20:01:00,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:01:00,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:00,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:01:00,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 20:01:00,287 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:01:00,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:00,288 INFO L85 PathProgramCache]: Analyzing trace with hash 353344796, now seen corresponding path program 3 times [2021-11-25 20:01:00,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:00,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350844942] [2021-11-25 20:01:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:00,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:00,379 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 20:01:00,380 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:00,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350844942] [2021-11-25 20:01:00,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350844942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:00,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:00,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:01:00,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901778589] [2021-11-25 20:01:00,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:00,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:01:00,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:00,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:01:00,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:01:00,382 INFO L87 Difference]: Start difference. First operand 138 states and 326 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 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 20:01:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:00,512 INFO L93 Difference]: Finished difference Result 194 states and 457 transitions. [2021-11-25 20:01:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:01:00,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2021-11-25 20:01:00,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:00,514 INFO L225 Difference]: With dead ends: 194 [2021-11-25 20:01:00,514 INFO L226 Difference]: Without dead ends: 92 [2021-11-25 20:01:00,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:01:00,515 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 49 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:00,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 9 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:01:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-25 20:01:00,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-25 20:01:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 2.1758241758241756) internal successors, (198), 91 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:01:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 198 transitions. [2021-11-25 20:01:00,518 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 198 transitions. Word has length 26 [2021-11-25 20:01:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:00,519 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 198 transitions. [2021-11-25 20:01:00,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 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 20:01:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 198 transitions. [2021-11-25 20:01:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:01:00,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:00,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:01:00,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 20:01:00,523 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:01:00,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:00,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1818298992, now seen corresponding path program 4 times [2021-11-25 20:01:00,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:00,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001373522] [2021-11-25 20:01:00,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:00,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:00,776 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 20:01:00,776 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:00,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001373522] [2021-11-25 20:01:00,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001373522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:00,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:00,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:01:00,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890644458] [2021-11-25 20:01:00,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:00,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 20:01:00,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:00,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 20:01:00,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:01:00,778 INFO L87 Difference]: Start difference. First operand 92 states and 198 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 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 20:01:00,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:00,980 INFO L93 Difference]: Finished difference Result 110 states and 232 transitions. [2021-11-25 20:01:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:01:00,981 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2021-11-25 20:01:00,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:00,981 INFO L225 Difference]: With dead ends: 110 [2021-11-25 20:01:00,981 INFO L226 Difference]: Without dead ends: 56 [2021-11-25 20:01:00,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-25 20:01:00,982 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 37 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:00,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 35 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:01:00,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-25 20:01:00,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-11-25 20:01:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.7818181818181817) internal successors, (98), 55 states have internal predecessors, (98), 0 states have call successors, (0), 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 20:01:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 98 transitions. [2021-11-25 20:01:00,985 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 98 transitions. Word has length 26 [2021-11-25 20:01:00,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:00,986 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 98 transitions. [2021-11-25 20:01:00,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 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 20:01:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2021-11-25 20:01:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:01:00,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:00,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:01:00,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 20:01:00,987 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 20:01:00,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:00,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1516744780, now seen corresponding path program 5 times [2021-11-25 20:01:00,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:00,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596986228] [2021-11-25 20:01:00,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:00,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:01:01,042 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 20:01:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:01:01,137 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 20:01:01,137 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 20:01:01,138 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-25 20:01:01,140 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-25 20:01:01,141 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-25 20:01:01,141 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-11-25 20:01:01,141 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-11-25 20:01:01,141 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-11-25 20:01:01,142 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-25 20:01:01,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 20:01:01,144 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:01:01,149 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 20:01:01,149 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:01:01,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:01:01 BasicIcfg [2021-11-25 20:01:01,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:01:01,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:01:01,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:01:01,340 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:01:01,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:00:48" (3/4) ... [2021-11-25 20:01:01,342 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 20:01:01,480 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:01:01,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:01:01,481 INFO L158 Benchmark]: Toolchain (without parser) took 15496.56ms. Allocated memory was 151.0MB in the beginning and 346.0MB in the end (delta: 195.0MB). Free memory was 114.3MB in the beginning and 233.5MB in the end (delta: -119.2MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2021-11-25 20:01:01,482 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:01:01,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.72ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 110.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 20:01:01,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.40ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 107.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:01:01,483 INFO L158 Benchmark]: Boogie Preprocessor took 78.25ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 104.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:01:01,484 INFO L158 Benchmark]: RCFGBuilder took 1451.35ms. Allocated memory is still 151.0MB. Free memory was 104.7MB in the beginning and 86.1MB in the end (delta: 18.6MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2021-11-25 20:01:01,484 INFO L158 Benchmark]: TraceAbstraction took 13117.70ms. Allocated memory was 151.0MB in the beginning and 346.0MB in the end (delta: 195.0MB). Free memory was 85.8MB in the beginning and 257.6MB in the end (delta: -171.9MB). Peak memory consumption was 197.2MB. Max. memory is 16.1GB. [2021-11-25 20:01:01,485 INFO L158 Benchmark]: Witness Printer took 141.12ms. Allocated memory is still 346.0MB. Free memory was 257.6MB in the beginning and 233.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-25 20:01:01,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.72ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 110.3MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.40ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 107.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.25ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 104.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1451.35ms. Allocated memory is still 151.0MB. Free memory was 104.7MB in the beginning and 86.1MB in the end (delta: 18.6MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13117.70ms. Allocated memory was 151.0MB in the beginning and 346.0MB in the end (delta: 195.0MB). Free memory was 85.8MB in the beginning and 257.6MB in the end (delta: -171.9MB). Peak memory consumption was 197.2MB. Max. memory is 16.1GB. * Witness Printer took 141.12ms. Allocated memory is still 346.0MB. Free memory was 257.6MB in the beginning and 233.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.3s, 148 PlacesBefore, 45 PlacesAfterwards, 137 TransitionsBefore, 32 TransitionsAfterwards, 3060 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 117 TotalNumberOfCompositions, 7572 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4360, positive: 4157, positive conditional: 0, positive unconditional: 4157, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2151, positive: 2085, positive conditional: 0, positive unconditional: 2085, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2151, positive: 2064, positive conditional: 0, positive unconditional: 2064, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 545, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 502, negative conditional: 0, negative unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4360, positive: 2072, positive conditional: 0, positive unconditional: 2072, negative: 137, negative conditional: 0, negative unconditional: 137, unknown: 2151, unknown conditional: 0, unknown unconditional: 2151] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L869] 0 pthread_t t125; [L870] FCALL, FORK 0 pthread_create(&t125, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t125, ((void *)0), P0, ((void *)0))=-3, t125={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L871] 0 pthread_t t126; [L872] FCALL, FORK 0 pthread_create(&t126, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t126, ((void *)0), P1, ((void *)0))=-2, t125={5:0}, t126={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 pthread_t t127; [L874] FCALL, FORK 0 pthread_create(&t127, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t127, ((void *)0), P2, ((void *)0))=-1, t125={5:0}, t126={6:0}, t127={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] 0 pthread_t t128; [L876] FCALL, FORK 0 pthread_create(&t128, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t128, ((void *)0), P3, ((void *)0))=0, t125={5:0}, t126={6:0}, t127={7:0}, t128={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L815] 4 z$w_buff1 = z$w_buff0 [L816] 4 z$w_buff0 = 1 [L817] 4 z$w_buff1_used = z$w_buff0_used [L818] 4 z$w_buff0_used = (_Bool)1 [L819] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 4 !(!expression) [L819] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L820] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L821] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L822] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L823] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L824] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L828] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L829] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L830] 4 z$flush_delayed = weak$$choice2 [L831] 4 z$mem_tmp = z [L832] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L832] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L832] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L833] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L833] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L834] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L834] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L835] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L835] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L836] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L836] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L837] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L838] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 __unbuffered_p3_EAX = z [L840] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L840] 4 z = z$flush_delayed ? z$mem_tmp : z [L841] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L844] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L769] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; [L784] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 __unbuffered_p2_EAX = y VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 z$flush_delayed = weak$$choice2 [L793] 3 z$mem_tmp = z [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L794] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L795] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L795] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L795] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L796] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L796] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L796] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L797] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L797] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L797] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L797] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L798] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L798] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L799] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L799] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L799] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L800] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EBX = z [L802] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L802] 3 z = z$flush_delayed ? z$mem_tmp : z [L803] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L810] 3 return 0; [L847] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L847] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L848] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L848] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L849] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L850] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L851] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L851] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L856] 4 return 0; [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L880] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L880] RET 0 assume_abort_if_not(main$tmp_guard0) [L882] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L882] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L882] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L882] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L883] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L883] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L884] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L884] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L885] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L885] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L886] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L886] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L891] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 870]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 172 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 555 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 555 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 778 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1321 IncrementalHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 86 mSDtfsCounter, 1321 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2814occurred in iteration=2, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 1304 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 1754 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 RESULT: Ultimate proved your program to be incorrect! [2021-11-25 20:01:01,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ebbb1b-6522-45db-ada4-2a13333ab132/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE