./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF --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 57b20b3268fa30a07af1365aac59c96531ad2ebea6861c18a1d5dfea8339adbb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:16:54,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:16:54,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:16:54,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:16:54,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:16:54,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:16:54,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:16:54,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:16:54,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:16:54,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:16:54,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:16:54,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:16:54,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:16:54,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:16:54,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:16:54,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:16:54,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:16:54,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:16:54,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:16:54,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:16:54,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:16:54,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:16:54,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:16:54,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:16:54,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:16:54,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:16:54,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:16:54,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:16:54,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:16:54,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:16:54,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:16:54,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:16:54,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:16:54,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:16:54,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:16:54,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:16:54,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:16:54,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:16:54,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:16:54,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:16:54,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:16:54,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:16:54,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:16:54,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:16:54,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:16:54,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:16:54,589 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:16:54,589 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:16:54,589 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:16:54,590 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:16:54,590 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:16:54,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:16:54,590 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:16:54,590 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:16:54,591 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:16:54,591 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:16:54,591 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:16:54,591 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:16:54,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:16:54,592 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:16:54,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:16:54,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:16:54,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:16:54,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:16:54,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:16:54,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:16:54,594 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:16:54,594 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:16:54,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:16:54,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:16:54,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:16:54,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:16:54,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:16:54,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:16:54,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:16:54,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:16:54,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:16:54,597 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:16:54,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:16:54,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:16:54,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:16:54,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:16:54,598 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_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57b20b3268fa30a07af1365aac59c96531ad2ebea6861c18a1d5dfea8339adbb [2021-11-12 23:16:54,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:16:54,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:16:54,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:16:54,864 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:16:54,865 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:16:54,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2021-11-12 23:16:54,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/data/249cdb1e7/0d13c73711104b2dabcc60cfa9f52780/FLAG8b090510a [2021-11-12 23:16:55,415 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:16:55,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2021-11-12 23:16:55,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/data/249cdb1e7/0d13c73711104b2dabcc60cfa9f52780/FLAG8b090510a [2021-11-12 23:16:55,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/data/249cdb1e7/0d13c73711104b2dabcc60cfa9f52780 [2021-11-12 23:16:55,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:16:55,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:16:55,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:16:55,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:16:55,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:16:55,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:16:55" (1/1) ... [2021-11-12 23:16:55,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fc5e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:55, skipping insertion in model container [2021-11-12 23:16:55,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:16:55" (1/1) ... [2021-11-12 23:16:55,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:16:55,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:16:56,115 WARN L228 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_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c[6501,6514] [2021-11-12 23:16:56,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:16:56,133 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:16:56,187 WARN L228 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_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c[6501,6514] [2021-11-12 23:16:56,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:16:56,207 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:16:56,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56 WrapperNode [2021-11-12 23:16:56,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:16:56,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:16:56,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:16:56,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:16:56,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:16:56,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:16:56,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:16:56,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:16:56,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:16:56,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:16:56,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:16:56,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:16:56,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (1/1) ... [2021-11-12 23:16:56,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:16:56,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:16:56,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:16:56,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:16:56,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:16:56,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:16:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:16:56,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-12 23:16:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-12 23:16:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-12 23:16:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-12 23:16:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-12 23:16:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-12 23:16:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:16:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:16:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:16:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:16:56,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:16:56,538 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:16:57,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:16:57,570 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-12 23:16:57,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:16:57 BoogieIcfgContainer [2021-11-12 23:16:57,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:16:57,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:16:57,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:16:57,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:16:57,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:16:55" (1/3) ... [2021-11-12 23:16:57,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cfa0343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:16:57, skipping insertion in model container [2021-11-12 23:16:57,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:16:56" (2/3) ... [2021-11-12 23:16:57,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cfa0343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:16:57, skipping insertion in model container [2021-11-12 23:16:57,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:16:57" (3/3) ... [2021-11-12 23:16:57,591 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2021-11-12 23:16:57,597 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:16:57,597 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:16:57,597 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:16:57,597 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:16:57,699 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,700 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,701 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,702 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,706 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,707 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,708 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,709 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,710 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,711 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,712 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,713 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,714 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,714 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,714 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,714 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,714 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,715 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,716 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,716 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,716 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,717 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,717 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,717 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,717 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,717 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,717 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,717 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,718 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,718 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,718 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,719 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,720 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,722 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,723 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,724 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,725 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,731 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,731 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,732 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,732 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,732 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,732 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,732 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,732 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,733 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,734 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,735 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,736 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,737 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,738 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,739 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,740 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,741 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,741 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,750 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,751 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,752 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,753 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,754 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,757 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,758 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,759 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,760 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,761 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,762 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,763 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,764 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,771 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,771 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,772 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,772 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,772 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,780 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,781 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,782 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,783 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,784 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,785 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,786 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,787 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,788 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,788 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,788 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,788 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,788 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,788 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,788 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,789 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,790 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,791 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,792 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,793 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,796 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,797 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,798 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,799 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,800 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,801 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,802 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,809 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,810 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,811 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,812 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,813 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,816 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,817 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,825 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,826 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,830 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,830 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,830 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,830 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,830 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,830 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,831 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,831 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,831 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,832 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,833 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,834 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,838 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,839 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,840 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,840 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,840 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,840 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,841 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,842 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,842 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,842 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,842 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,842 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,843 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,844 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,845 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,848 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,849 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,850 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,851 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,851 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,851 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,852 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,854 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,866 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,867 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,868 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,869 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,870 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,871 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,872 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,873 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,874 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,875 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,876 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,876 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,877 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,878 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,879 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,879 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,879 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,879 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,907 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,908 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,908 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,908 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,908 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,908 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,911 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,911 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,911 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,911 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,911 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,911 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,915 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,917 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,917 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,917 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,917 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,917 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,917 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,918 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,918 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,918 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,918 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,918 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,918 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,919 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,921 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,922 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,922 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,922 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,922 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,922 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,922 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,923 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,924 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,925 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,926 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,927 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,927 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,927 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,927 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,927 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,927 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,928 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,928 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,928 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,928 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,928 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,928 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,929 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,929 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,929 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,929 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,929 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,929 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,930 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,930 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,930 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,930 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,930 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,930 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,931 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,932 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,933 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,934 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,935 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,936 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,936 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,936 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,941 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,942 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,943 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,943 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,943 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,943 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,943 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,944 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,944 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,944 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,944 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,944 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,945 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,946 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,946 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,946 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,946 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,946 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,946 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,947 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,948 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,949 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,949 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,949 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,949 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,949 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,950 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,951 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,952 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,955 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,955 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,955 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,955 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,955 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,955 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,957 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,963 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,963 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,963 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,963 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,963 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,963 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,964 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,965 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,966 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,969 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,970 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,970 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,970 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,970 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,970 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,970 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,971 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,971 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,971 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,971 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,971 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,971 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,972 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,972 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,972 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,972 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,972 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,972 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,973 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,974 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,975 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,985 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,986 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,987 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,988 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,989 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,990 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,991 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short70#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,994 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem75#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite85#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short79#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post81#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short76#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,995 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite86#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite77#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret82#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,996 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,997 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,997 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,997 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite74#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,997 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret84#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,997 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem72#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,997 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,997 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem69#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,998 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,998 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite83#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,998 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,998 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,998 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,998 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem78#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short73#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite71#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite80#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:57,999 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,000 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,000 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:16:58,009 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-12 23:16:58,052 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:16:58,059 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 [2021-11-12 23:16:58,059 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-12 23:16:58,087 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:16:58,099 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 770 places, 851 transitions, 1726 flow [2021-11-12 23:16:58,102 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 770 places, 851 transitions, 1726 flow [2021-11-12 23:16:58,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 851 transitions, 1726 flow [2021-11-12 23:16:58,554 INFO L129 PetriNetUnfolder]: 91/848 cut-off events. [2021-11-12 23:16:58,554 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-12 23:16:58,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 861 conditions, 848 events. 91/848 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3044 event pairs, 0 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 622. Up to 2 conditions per place. [2021-11-12 23:16:58,764 INFO L116 LiptonReduction]: Number of co-enabled transitions 256878 [2021-11-12 23:17:39,706 INFO L131 LiptonReduction]: Checked pairs total: 225085 [2021-11-12 23:17:39,706 INFO L133 LiptonReduction]: Total number of compositions: 1059 [2021-11-12 23:17:39,714 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 54 transitions, 132 flow [2021-11-12 23:17:39,795 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1069 states, 1068 states have (on average 3.987827715355805) internal successors, (4259), 1068 states have internal predecessors, (4259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 1069 states, 1068 states have (on average 3.987827715355805) internal successors, (4259), 1068 states have internal predecessors, (4259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 23:17:39,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:39,824 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:39,825 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:39,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:39,830 INFO L85 PathProgramCache]: Analyzing trace with hash -969259241, now seen corresponding path program 1 times [2021-11-12 23:17:39,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:39,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941065821] [2021-11-12 23:17:39,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:39,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:17:40,096 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:40,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941065821] [2021-11-12 23:17:40,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941065821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:40,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:40,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:17:40,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964921458] [2021-11-12 23:17:40,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:40,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:17:40,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:40,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:17:40,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:17:40,141 INFO L87 Difference]: Start difference. First operand has 1069 states, 1068 states have (on average 3.987827715355805) internal successors, (4259), 1068 states have internal predecessors, (4259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:40,343 INFO L93 Difference]: Finished difference Result 1072 states and 4262 transitions. [2021-11-12 23:17:40,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:17:40,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-11-12 23:17:40,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:40,387 INFO L225 Difference]: With dead ends: 1072 [2021-11-12 23:17:40,387 INFO L226 Difference]: Without dead ends: 1072 [2021-11-12 23:17:40,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:17:40,394 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.33ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:40,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 101 Unknown, 0 Unchecked, 1.33ms Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 133.80ms Time] [2021-11-12 23:17:40,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2021-11-12 23:17:40,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2021-11-12 23:17:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 3.9794584500466854) internal successors, (4262), 1071 states have internal predecessors, (4262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 4262 transitions. [2021-11-12 23:17:40,530 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 4262 transitions. Word has length 19 [2021-11-12 23:17:40,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:40,530 INFO L470 AbstractCegarLoop]: Abstraction has 1072 states and 4262 transitions. [2021-11-12 23:17:40,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 4262 transitions. [2021-11-12 23:17:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-12 23:17:40,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:40,537 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] [2021-11-12 23:17:40,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:17:40,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:40,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:40,541 INFO L85 PathProgramCache]: Analyzing trace with hash 890956077, now seen corresponding path program 1 times [2021-11-12 23:17:40,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:40,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561661555] [2021-11-12 23:17:40,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:40,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:17:40,687 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:40,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561661555] [2021-11-12 23:17:40,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561661555] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:17:40,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983833647] [2021-11-12 23:17:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:40,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:17:40,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:17:40,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:17:40,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:17:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:40,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:17:40,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:17:40,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:17:41,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983833647] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:17:41,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [774925801] [2021-11-12 23:17:41,041 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:17:41,043 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:17:41,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2021-11-12 23:17:41,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552210034] [2021-11-12 23:17:41,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:17:41,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:17:41,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:41,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:17:41,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:17:41,046 INFO L87 Difference]: Start difference. First operand 1072 states and 4262 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:41,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:41,345 INFO L93 Difference]: Finished difference Result 1081 states and 4271 transitions. [2021-11-12 23:17:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:17:41,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 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 22 [2021-11-12 23:17:41,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:41,356 INFO L225 Difference]: With dead ends: 1081 [2021-11-12 23:17:41,356 INFO L226 Difference]: Without dead ends: 1081 [2021-11-12 23:17:41,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:17:41,360 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 217.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.09ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 274.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:41,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 306 Unknown, 0 Unchecked, 3.09ms Time], IncrementalHoareTripleChecker [18 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 274.80ms Time] [2021-11-12 23:17:41,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2021-11-12 23:17:41,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1081. [2021-11-12 23:17:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1080 states have (on average 3.9546296296296295) internal successors, (4271), 1080 states have internal predecessors, (4271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:41,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 4271 transitions. [2021-11-12 23:17:41,422 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 4271 transitions. Word has length 22 [2021-11-12 23:17:41,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:41,422 INFO L470 AbstractCegarLoop]: Abstraction has 1081 states and 4271 transitions. [2021-11-12 23:17:41,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 4271 transitions. [2021-11-12 23:17:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-12 23:17:41,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:41,427 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:41,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:17:41,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:17:41,641 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:41,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash 247979671, now seen corresponding path program 2 times [2021-11-12 23:17:41,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:41,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9739280] [2021-11-12 23:17:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:41,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-12 23:17:41,864 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:41,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9739280] [2021-11-12 23:17:41,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9739280] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:17:41,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249049457] [2021-11-12 23:17:41,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:17:41,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:17:41,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:17:41,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:17:41,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:17:42,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-12 23:17:42,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:17:42,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:17:42,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-12 23:17:43,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-12 23:17:46,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249049457] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:46,278 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:17:46,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [7] total 13 [2021-11-12 23:17:46,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136655361] [2021-11-12 23:17:46,279 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:46,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:17:46,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:46,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:17:46,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:17:46,280 INFO L87 Difference]: Start difference. First operand 1081 states and 4271 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:49,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:49,406 INFO L93 Difference]: Finished difference Result 2422 states and 9410 transitions. [2021-11-12 23:17:49,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 23:17:49,407 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 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 31 [2021-11-12 23:17:49,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:49,436 INFO L225 Difference]: With dead ends: 2422 [2021-11-12 23:17:49,436 INFO L226 Difference]: Without dead ends: 2415 [2021-11-12 23:17:49,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:17:49,440 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 124 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1317.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.35ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1515.17ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:49,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 0 Invalid, 894 Unknown, 0 Unchecked, 8.35ms Time], IncrementalHoareTripleChecker [16 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 1515.17ms Time] [2021-11-12 23:17:49,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2021-11-12 23:17:49,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 1097. [2021-11-12 23:17:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1096 states have (on average 3.9333941605839415) internal successors, (4311), 1096 states have internal predecessors, (4311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 4311 transitions. [2021-11-12 23:17:49,536 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 4311 transitions. Word has length 31 [2021-11-12 23:17:49,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:49,537 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 4311 transitions. [2021-11-12 23:17:49,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 4311 transitions. [2021-11-12 23:17:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-12 23:17:49,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:49,544 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:49,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:17:49,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:17:49,757 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:49,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:49,758 INFO L85 PathProgramCache]: Analyzing trace with hash -899644083, now seen corresponding path program 3 times [2021-11-12 23:17:49,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:49,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832350351] [2021-11-12 23:17:49,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:49,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-12 23:17:49,970 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:49,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832350351] [2021-11-12 23:17:49,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832350351] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:17:49,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768247664] [2021-11-12 23:17:49,971 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:17:49,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:17:49,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:17:49,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:17:49,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:17:50,113 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:17:50,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:17:50,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:17:50,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-12 23:17:50,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-12 23:17:50,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768247664] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:17:50,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1986391433] [2021-11-12 23:17:50,377 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:17:50,377 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:17:50,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2021-11-12 23:17:50,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338831678] [2021-11-12 23:17:50,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:17:50,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-12 23:17:50,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:50,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-12 23:17:50,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:17:50,380 INFO L87 Difference]: Start difference. First operand 1097 states and 4311 transitions. Second operand has 17 states, 17 states have (on average 2.176470588235294) internal successors, (37), 17 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:50,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:50,600 INFO L93 Difference]: Finished difference Result 1100 states and 4314 transitions. [2021-11-12 23:17:50,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:17:50,601 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.176470588235294) internal successors, (37), 17 states have internal predecessors, (37), 0 states have call successors, (0), 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 31 [2021-11-12 23:17:50,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:50,614 INFO L225 Difference]: With dead ends: 1100 [2021-11-12 23:17:50,614 INFO L226 Difference]: Without dead ends: 1100 [2021-11-12 23:17:50,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:17:50,615 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.28ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 195.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:50,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 244 Unknown, 0 Unchecked, 1.28ms Time], IncrementalHoareTripleChecker [38 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 195.65ms Time] [2021-11-12 23:17:50,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2021-11-12 23:17:50,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2021-11-12 23:17:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 1099 states have (on average 3.9253867151956325) internal successors, (4314), 1099 states have internal predecessors, (4314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 4314 transitions. [2021-11-12 23:17:50,672 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 4314 transitions. Word has length 31 [2021-11-12 23:17:50,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:50,673 INFO L470 AbstractCegarLoop]: Abstraction has 1100 states and 4314 transitions. [2021-11-12 23:17:50,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.176470588235294) internal successors, (37), 17 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 4314 transitions. [2021-11-12 23:17:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 23:17:50,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:50,678 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:50,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:17:50,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:17:50,893 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:50,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:50,894 INFO L85 PathProgramCache]: Analyzing trace with hash -688839581, now seen corresponding path program 4 times [2021-11-12 23:17:50,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:50,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353812928] [2021-11-12 23:17:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:50,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:17:51,383 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:51,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353812928] [2021-11-12 23:17:51,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353812928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:51,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:51,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:17:51,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574362018] [2021-11-12 23:17:51,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:51,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:51,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:51,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:51,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:51,386 INFO L87 Difference]: Start difference. First operand 1100 states and 4314 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:52,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:52,250 INFO L93 Difference]: Finished difference Result 1481 states and 5514 transitions. [2021-11-12 23:17:52,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:17:52,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 34 [2021-11-12 23:17:52,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:52,269 INFO L225 Difference]: With dead ends: 1481 [2021-11-12 23:17:52,269 INFO L226 Difference]: Without dead ends: 1474 [2021-11-12 23:17:52,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:17:52,271 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 76 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 485.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.96ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 558.14ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:52,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 0 Invalid, 310 Unknown, 0 Unchecked, 2.96ms Time], IncrementalHoareTripleChecker [12 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 558.14ms Time] [2021-11-12 23:17:52,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2021-11-12 23:17:52,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1104. [2021-11-12 23:17:52,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1103 states have (on average 3.9174977334542156) internal successors, (4321), 1103 states have internal predecessors, (4321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 4321 transitions. [2021-11-12 23:17:52,384 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 4321 transitions. Word has length 34 [2021-11-12 23:17:52,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:52,386 INFO L470 AbstractCegarLoop]: Abstraction has 1104 states and 4321 transitions. [2021-11-12 23:17:52,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 4321 transitions. [2021-11-12 23:17:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 23:17:52,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:52,392 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:52,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-12 23:17:52,393 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:52,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:52,394 INFO L85 PathProgramCache]: Analyzing trace with hash -266228955, now seen corresponding path program 5 times [2021-11-12 23:17:52,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:52,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112754883] [2021-11-12 23:17:52,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:52,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:17:52,762 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:52,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112754883] [2021-11-12 23:17:52,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112754883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:52,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:52,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:17:52,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453386219] [2021-11-12 23:17:52,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:52,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:52,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:52,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:52,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:52,765 INFO L87 Difference]: Start difference. First operand 1104 states and 4321 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:53,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:53,425 INFO L93 Difference]: Finished difference Result 2083 states and 8044 transitions. [2021-11-12 23:17:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:17:53,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 34 [2021-11-12 23:17:53,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:53,454 INFO L225 Difference]: With dead ends: 2083 [2021-11-12 23:17:53,455 INFO L226 Difference]: Without dead ends: 2076 [2021-11-12 23:17:53,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:17:53,457 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 51 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 438.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.95ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 501.60ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:53,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 0 Invalid, 320 Unknown, 0 Unchecked, 2.95ms Time], IncrementalHoareTripleChecker [6 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 501.60ms Time] [2021-11-12 23:17:53,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2021-11-12 23:17:53,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1108. [2021-11-12 23:17:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1107 states have (on average 3.916892502258356) internal successors, (4336), 1107 states have internal predecessors, (4336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 4336 transitions. [2021-11-12 23:17:53,537 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 4336 transitions. Word has length 34 [2021-11-12 23:17:53,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:53,539 INFO L470 AbstractCegarLoop]: Abstraction has 1108 states and 4336 transitions. [2021-11-12 23:17:53,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 4336 transitions. [2021-11-12 23:17:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 23:17:53,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:53,544 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:53,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-12 23:17:53,545 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:53,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:53,546 INFO L85 PathProgramCache]: Analyzing trace with hash 851764097, now seen corresponding path program 6 times [2021-11-12 23:17:53,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:53,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437216090] [2021-11-12 23:17:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:53,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:17:54,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:54,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437216090] [2021-11-12 23:17:54,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437216090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:54,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:54,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:17:54,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844847712] [2021-11-12 23:17:54,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:54,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:54,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:54,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:54,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:54,005 INFO L87 Difference]: Start difference. First operand 1108 states and 4336 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:54,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:54,780 INFO L93 Difference]: Finished difference Result 2885 states and 11366 transitions. [2021-11-12 23:17:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:17:54,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 34 [2021-11-12 23:17:54,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:54,810 INFO L225 Difference]: With dead ends: 2885 [2021-11-12 23:17:54,810 INFO L226 Difference]: Without dead ends: 2878 [2021-11-12 23:17:54,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:17:54,811 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 123 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 475.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.42ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 544.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:54,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 0 Invalid, 372 Unknown, 0 Unchecked, 2.42ms Time], IncrementalHoareTripleChecker [13 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 544.25ms Time] [2021-11-12 23:17:54,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2878 states. [2021-11-12 23:17:54,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2878 to 1110. [2021-11-12 23:17:54,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1109 states have (on average 3.9125338142470696) internal successors, (4339), 1109 states have internal predecessors, (4339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 4339 transitions. [2021-11-12 23:17:54,882 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 4339 transitions. Word has length 34 [2021-11-12 23:17:54,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:54,882 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 4339 transitions. [2021-11-12 23:17:54,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:54,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 4339 transitions. [2021-11-12 23:17:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 23:17:54,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:54,914 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:54,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-12 23:17:54,914 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:54,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:54,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1696025893, now seen corresponding path program 7 times [2021-11-12 23:17:54,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:54,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757039966] [2021-11-12 23:17:54,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:54,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:17:55,406 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:55,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757039966] [2021-11-12 23:17:55,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757039966] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:55,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:55,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:17:55,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49391036] [2021-11-12 23:17:55,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:55,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:55,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:55,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:55,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:55,409 INFO L87 Difference]: Start difference. First operand 1110 states and 4339 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:56,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:56,034 INFO L93 Difference]: Finished difference Result 1829 states and 6966 transitions. [2021-11-12 23:17:56,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:17:56,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 34 [2021-11-12 23:17:56,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:56,053 INFO L225 Difference]: With dead ends: 1829 [2021-11-12 23:17:56,054 INFO L226 Difference]: Without dead ends: 1822 [2021-11-12 23:17:56,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:17:56,055 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 63 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 414.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.90ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 469.89ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:56,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 0 Invalid, 342 Unknown, 0 Unchecked, 1.90ms Time], IncrementalHoareTripleChecker [3 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 469.89ms Time] [2021-11-12 23:17:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2021-11-12 23:17:56,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1112. [2021-11-12 23:17:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1111 states have (on average 3.9135913591359137) internal successors, (4348), 1111 states have internal predecessors, (4348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:56,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 4348 transitions. [2021-11-12 23:17:56,107 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 4348 transitions. Word has length 34 [2021-11-12 23:17:56,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:56,107 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 4348 transitions. [2021-11-12 23:17:56,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 4348 transitions. [2021-11-12 23:17:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-12 23:17:56,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:56,112 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:56,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-12 23:17:56,112 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:56,112 INFO L85 PathProgramCache]: Analyzing trace with hash -364833909, now seen corresponding path program 8 times [2021-11-12 23:17:56,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:56,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917897707] [2021-11-12 23:17:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:56,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:17:56,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:56,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917897707] [2021-11-12 23:17:56,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917897707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:56,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:56,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:17:56,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564261306] [2021-11-12 23:17:56,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:56,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:56,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:56,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:56,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:56,570 INFO L87 Difference]: Start difference. First operand 1112 states and 4348 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:57,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:57,311 INFO L93 Difference]: Finished difference Result 2827 states and 10981 transitions. [2021-11-12 23:17:57,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:17:57,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 34 [2021-11-12 23:17:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:57,327 INFO L225 Difference]: With dead ends: 2827 [2021-11-12 23:17:57,327 INFO L226 Difference]: Without dead ends: 2820 [2021-11-12 23:17:57,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:17:57,329 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 116 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 427.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.77ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 507.11ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:57,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 0 Invalid, 384 Unknown, 0 Unchecked, 1.77ms Time], IncrementalHoareTripleChecker [10 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 507.11ms Time] [2021-11-12 23:17:57,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2021-11-12 23:17:57,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 1112. [2021-11-12 23:17:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1111 states have (on average 3.9135913591359137) internal successors, (4348), 1111 states have internal predecessors, (4348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 4348 transitions. [2021-11-12 23:17:57,453 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 4348 transitions. Word has length 34 [2021-11-12 23:17:57,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:57,454 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 4348 transitions. [2021-11-12 23:17:57,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 4348 transitions. [2021-11-12 23:17:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-12 23:17:57,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:57,459 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:57,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-12 23:17:57,459 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:57,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash 895633433, now seen corresponding path program 1 times [2021-11-12 23:17:57,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:57,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221310752] [2021-11-12 23:17:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:57,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:17:57,525 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:57,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221310752] [2021-11-12 23:17:57,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221310752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:57,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:57,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:17:57,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795227646] [2021-11-12 23:17:57,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:57,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:17:57,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:57,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:17:57,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:17:57,528 INFO L87 Difference]: Start difference. First operand 1112 states and 4348 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2021-11-12 23:17:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:57,719 INFO L93 Difference]: Finished difference Result 1562 states and 6173 transitions. [2021-11-12 23:17:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:17:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 35 [2021-11-12 23:17:57,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:57,732 INFO L225 Difference]: With dead ends: 1562 [2021-11-12 23:17:57,732 INFO L226 Difference]: Without dead ends: 1562 [2021-11-12 23:17:57,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:17:57,733 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 27 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 145.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:57,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 0 Invalid, 122 Unknown, 0 Unchecked, 0.61ms Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 171.31ms Time] [2021-11-12 23:17:57,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2021-11-12 23:17:57,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1202. [2021-11-12 23:17:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 1201 states have (on average 3.909242298084929) internal successors, (4695), 1201 states have internal predecessors, (4695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 4695 transitions. [2021-11-12 23:17:57,807 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 4695 transitions. Word has length 35 [2021-11-12 23:17:57,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:57,807 INFO L470 AbstractCegarLoop]: Abstraction has 1202 states and 4695 transitions. [2021-11-12 23:17:57,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2021-11-12 23:17:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 4695 transitions. [2021-11-12 23:17:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-12 23:17:57,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:57,814 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:57,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-12 23:17:57,814 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:57,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:57,815 INFO L85 PathProgramCache]: Analyzing trace with hash -445575261, now seen corresponding path program 1 times [2021-11-12 23:17:57,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:57,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282206923] [2021-11-12 23:17:57,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:57,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:17:57,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:57,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282206923] [2021-11-12 23:17:57,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282206923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:57,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:57,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:17:57,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342820806] [2021-11-12 23:17:57,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:57,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:17:57,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:57,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:17:57,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:17:57,900 INFO L87 Difference]: Start difference. First operand 1202 states and 4695 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2021-11-12 23:17:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:58,101 INFO L93 Difference]: Finished difference Result 1814 states and 7203 transitions. [2021-11-12 23:17:58,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:17:58,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 35 [2021-11-12 23:17:58,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:58,115 INFO L225 Difference]: With dead ends: 1814 [2021-11-12 23:17:58,115 INFO L226 Difference]: Without dead ends: 1814 [2021-11-12 23:17:58,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:17:58,116 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 26 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 152.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 179.26ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:58,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 0 Invalid, 122 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 179.26ms Time] [2021-11-12 23:17:58,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2021-11-12 23:17:58,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1304. [2021-11-12 23:17:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1304 states, 1303 states have (on average 3.8979278587874138) internal successors, (5079), 1303 states have internal predecessors, (5079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:58,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 5079 transitions. [2021-11-12 23:17:58,183 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 5079 transitions. Word has length 35 [2021-11-12 23:17:58,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:58,184 INFO L470 AbstractCegarLoop]: Abstraction has 1304 states and 5079 transitions. [2021-11-12 23:17:58,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2021-11-12 23:17:58,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 5079 transitions. [2021-11-12 23:17:58,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-12 23:17:58,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:58,190 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:58,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-12 23:17:58,191 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:58,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:58,191 INFO L85 PathProgramCache]: Analyzing trace with hash 866067362, now seen corresponding path program 1 times [2021-11-12 23:17:58,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:58,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529214069] [2021-11-12 23:17:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:58,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:17:58,294 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:58,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529214069] [2021-11-12 23:17:58,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529214069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:58,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:58,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:17:58,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524535452] [2021-11-12 23:17:58,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:58,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:17:58,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:58,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:17:58,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:17:58,297 INFO L87 Difference]: Start difference. First operand 1304 states and 5079 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2021-11-12 23:17:58,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:58,462 INFO L93 Difference]: Finished difference Result 1618 states and 6289 transitions. [2021-11-12 23:17:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:17:58,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 35 [2021-11-12 23:17:58,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:58,472 INFO L225 Difference]: With dead ends: 1618 [2021-11-12 23:17:58,472 INFO L226 Difference]: Without dead ends: 1618 [2021-11-12 23:17:58,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:17:58,474 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 148.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:58,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 131 Unknown, 0 Unchecked, 0.49ms Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 148.94ms Time] [2021-11-12 23:17:58,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2021-11-12 23:17:58,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1618. [2021-11-12 23:17:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1618 states, 1617 states have (on average 3.889301175015461) internal successors, (6289), 1617 states have internal predecessors, (6289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 6289 transitions. [2021-11-12 23:17:58,544 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 6289 transitions. Word has length 35 [2021-11-12 23:17:58,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:58,545 INFO L470 AbstractCegarLoop]: Abstraction has 1618 states and 6289 transitions. [2021-11-12 23:17:58,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2021-11-12 23:17:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 6289 transitions. [2021-11-12 23:17:58,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-12 23:17:58,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:58,552 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:58,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-12 23:17:58,552 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:58,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:58,553 INFO L85 PathProgramCache]: Analyzing trace with hash 679358617, now seen corresponding path program 1 times [2021-11-12 23:17:58,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:58,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925715003] [2021-11-12 23:17:58,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:58,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:17:58,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:58,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925715003] [2021-11-12 23:17:58,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925715003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:58,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:58,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:17:58,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446845496] [2021-11-12 23:17:58,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:58,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:17:58,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:58,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:17:58,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:17:58,824 INFO L87 Difference]: Start difference. First operand 1618 states and 6289 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:59,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:59,053 INFO L93 Difference]: Finished difference Result 1989 states and 7407 transitions. [2021-11-12 23:17:59,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:17:59,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 36 [2021-11-12 23:17:59,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:59,064 INFO L225 Difference]: With dead ends: 1989 [2021-11-12 23:17:59,065 INFO L226 Difference]: Without dead ends: 1830 [2021-11-12 23:17:59,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:17:59,066 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 176.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 210.63ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:59,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 170 Unknown, 0 Unchecked, 0.76ms Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 210.63ms Time] [2021-11-12 23:17:59,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2021-11-12 23:17:59,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1678. [2021-11-12 23:17:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1677 states have (on average 3.841979725700656) internal successors, (6443), 1677 states have internal predecessors, (6443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 6443 transitions. [2021-11-12 23:17:59,147 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 6443 transitions. Word has length 36 [2021-11-12 23:17:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:59,148 INFO L470 AbstractCegarLoop]: Abstraction has 1678 states and 6443 transitions. [2021-11-12 23:17:59,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:17:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 6443 transitions. [2021-11-12 23:17:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-12 23:17:59,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:59,155 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:59,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-12 23:17:59,156 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:17:59,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:59,157 INFO L85 PathProgramCache]: Analyzing trace with hash -356647971, now seen corresponding path program 2 times [2021-11-12 23:17:59,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:17:59,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471508409] [2021-11-12 23:17:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:59,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:17:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:17:59,681 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:17:59,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471508409] [2021-11-12 23:17:59,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471508409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:59,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:59,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:17:59,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721146651] [2021-11-12 23:17:59,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:59,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:59,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:17:59,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:59,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:59,684 INFO L87 Difference]: Start difference. First operand 1678 states and 6443 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:00,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:00,039 INFO L93 Difference]: Finished difference Result 1899 states and 7058 transitions. [2021-11-12 23:18:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:00,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 36 [2021-11-12 23:18:00,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:00,050 INFO L225 Difference]: With dead ends: 1899 [2021-11-12 23:18:00,050 INFO L226 Difference]: Without dead ends: 1748 [2021-11-12 23:18:00,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:18:00,051 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 67 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 278.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 326.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:00,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 0 Invalid, 286 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [2 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 326.94ms Time] [2021-11-12 23:18:00,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2021-11-12 23:18:00,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1698. [2021-11-12 23:18:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1697 states have (on average 3.8002357100766058) internal successors, (6449), 1697 states have internal predecessors, (6449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:00,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 6449 transitions. [2021-11-12 23:18:00,118 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 6449 transitions. Word has length 36 [2021-11-12 23:18:00,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:00,118 INFO L470 AbstractCegarLoop]: Abstraction has 1698 states and 6449 transitions. [2021-11-12 23:18:00,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 6449 transitions. [2021-11-12 23:18:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-12 23:18:00,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:00,127 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:00,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-12 23:18:00,128 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:00,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1838710255, now seen corresponding path program 1 times [2021-11-12 23:18:00,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:00,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867914497] [2021-11-12 23:18:00,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:00,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:00,331 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:00,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867914497] [2021-11-12 23:18:00,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867914497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:00,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:00,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:00,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123325296] [2021-11-12 23:18:00,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:00,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:00,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:00,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:00,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:00,334 INFO L87 Difference]: Start difference. First operand 1698 states and 6449 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:00,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:00,712 INFO L93 Difference]: Finished difference Result 3142 states and 11982 transitions. [2021-11-12 23:18:00,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:00,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 41 [2021-11-12 23:18:00,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:00,730 INFO L225 Difference]: With dead ends: 3142 [2021-11-12 23:18:00,730 INFO L226 Difference]: Without dead ends: 3142 [2021-11-12 23:18:00,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:00,734 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 278.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.39ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 326.28ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:00,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 226 Unknown, 0 Unchecked, 1.39ms Time], IncrementalHoareTripleChecker [3 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 326.28ms Time] [2021-11-12 23:18:00,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3142 states. [2021-11-12 23:18:00,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3142 to 2242. [2021-11-12 23:18:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2241 states have (on average 3.820169567157519) internal successors, (8561), 2241 states have internal predecessors, (8561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 8561 transitions. [2021-11-12 23:18:00,849 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 8561 transitions. Word has length 41 [2021-11-12 23:18:00,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:00,849 INFO L470 AbstractCegarLoop]: Abstraction has 2242 states and 8561 transitions. [2021-11-12 23:18:00,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 8561 transitions. [2021-11-12 23:18:00,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-12 23:18:00,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:00,860 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:00,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-12 23:18:00,861 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:00,862 INFO L85 PathProgramCache]: Analyzing trace with hash 112549019, now seen corresponding path program 2 times [2021-11-12 23:18:00,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:00,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723507065] [2021-11-12 23:18:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:00,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:01,190 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:01,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723507065] [2021-11-12 23:18:01,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723507065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:01,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:01,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-12 23:18:01,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497581824] [2021-11-12 23:18:01,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:01,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:18:01,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:01,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:18:01,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:18:01,194 INFO L87 Difference]: Start difference. First operand 2242 states and 8561 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:01,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:01,594 INFO L93 Difference]: Finished difference Result 2896 states and 10951 transitions. [2021-11-12 23:18:01,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:18:01,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 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 41 [2021-11-12 23:18:01,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:01,608 INFO L225 Difference]: With dead ends: 2896 [2021-11-12 23:18:01,608 INFO L226 Difference]: Without dead ends: 2896 [2021-11-12 23:18:01,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:18:01,609 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 110 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 291.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.83ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 341.08ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:01,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 0 Invalid, 316 Unknown, 0 Unchecked, 1.83ms Time], IncrementalHoareTripleChecker [9 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 341.08ms Time] [2021-11-12 23:18:01,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2896 states. [2021-11-12 23:18:01,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2896 to 2242. [2021-11-12 23:18:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2241 states have (on average 3.820169567157519) internal successors, (8561), 2241 states have internal predecessors, (8561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:01,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 8561 transitions. [2021-11-12 23:18:01,720 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 8561 transitions. Word has length 41 [2021-11-12 23:18:01,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:01,720 INFO L470 AbstractCegarLoop]: Abstraction has 2242 states and 8561 transitions. [2021-11-12 23:18:01,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 8561 transitions. [2021-11-12 23:18:01,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-12 23:18:01,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:01,772 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:01,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-12 23:18:01,772 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:01,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:01,773 INFO L85 PathProgramCache]: Analyzing trace with hash 366237224, now seen corresponding path program 1 times [2021-11-12 23:18:01,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:01,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797637046] [2021-11-12 23:18:01,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:01,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:02,035 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:02,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797637046] [2021-11-12 23:18:02,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797637046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:02,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:02,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:02,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190486243] [2021-11-12 23:18:02,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:02,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:02,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:02,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:02,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:02,038 INFO L87 Difference]: Start difference. First operand 2242 states and 8561 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:02,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:02,516 INFO L93 Difference]: Finished difference Result 2461 states and 9056 transitions. [2021-11-12 23:18:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:18:02,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 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 42 [2021-11-12 23:18:02,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:02,529 INFO L225 Difference]: With dead ends: 2461 [2021-11-12 23:18:02,529 INFO L226 Difference]: Without dead ends: 2434 [2021-11-12 23:18:02,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:18:02,531 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 69 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 351.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 409.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:02,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 0 Invalid, 321 Unknown, 0 Unchecked, 2.00ms Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 409.69ms Time] [2021-11-12 23:18:02,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2021-11-12 23:18:02,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2290. [2021-11-12 23:18:02,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2290 states, 2289 states have (on average 3.788553953691568) internal successors, (8672), 2289 states have internal predecessors, (8672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 8672 transitions. [2021-11-12 23:18:02,637 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 8672 transitions. Word has length 42 [2021-11-12 23:18:02,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:02,637 INFO L470 AbstractCegarLoop]: Abstraction has 2290 states and 8672 transitions. [2021-11-12 23:18:02,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 8672 transitions. [2021-11-12 23:18:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-12 23:18:02,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:02,648 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:02,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-12 23:18:02,648 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:02,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1931687282, now seen corresponding path program 2 times [2021-11-12 23:18:02,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:02,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119414479] [2021-11-12 23:18:02,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:02,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:03,077 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:03,078 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:03,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119414479] [2021-11-12 23:18:03,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119414479] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:18:03,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800124027] [2021-11-12 23:18:03,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:18:03,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:03,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:03,085 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:18:03,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:18:03,240 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-12 23:18:03,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:18:03,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:18:03,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:03,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:04,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800124027] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:04,704 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:18:04,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [8] total 13 [2021-11-12 23:18:04,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109144960] [2021-11-12 23:18:04,705 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:04,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:18:04,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:04,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:18:04,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:18:04,706 INFO L87 Difference]: Start difference. First operand 2290 states and 8672 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:05,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:05,539 INFO L93 Difference]: Finished difference Result 3775 states and 13424 transitions. [2021-11-12 23:18:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:18:05,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 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 42 [2021-11-12 23:18:05,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:05,553 INFO L225 Difference]: With dead ends: 3775 [2021-11-12 23:18:05,553 INFO L226 Difference]: Without dead ends: 3724 [2021-11-12 23:18:05,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:18:05,554 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 135 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 545.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.29ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 638.59ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:05,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 0 Invalid, 718 Unknown, 0 Unchecked, 3.29ms Time], IncrementalHoareTripleChecker [4 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 638.59ms Time] [2021-11-12 23:18:05,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2021-11-12 23:18:05,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 2290. [2021-11-12 23:18:05,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2290 states, 2289 states have (on average 3.778069025775448) internal successors, (8648), 2289 states have internal predecessors, (8648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:05,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 8648 transitions. [2021-11-12 23:18:05,655 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 8648 transitions. Word has length 42 [2021-11-12 23:18:05,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:05,656 INFO L470 AbstractCegarLoop]: Abstraction has 2290 states and 8648 transitions. [2021-11-12 23:18:05,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 8648 transitions. [2021-11-12 23:18:05,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-12 23:18:05,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:05,664 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:05,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:05,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-12 23:18:05,885 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:05,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:05,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1600486703, now seen corresponding path program 1 times [2021-11-12 23:18:05,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:05,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626062713] [2021-11-12 23:18:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:05,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:06,010 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:06,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626062713] [2021-11-12 23:18:06,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626062713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:06,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:06,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:18:06,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064211736] [2021-11-12 23:18:06,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:06,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:06,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:06,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:06,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:06,013 INFO L87 Difference]: Start difference. First operand 2290 states and 8648 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:06,221 INFO L93 Difference]: Finished difference Result 2509 states and 9136 transitions. [2021-11-12 23:18:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:06,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 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 42 [2021-11-12 23:18:06,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:06,287 INFO L225 Difference]: With dead ends: 2509 [2021-11-12 23:18:06,287 INFO L226 Difference]: Without dead ends: 2342 [2021-11-12 23:18:06,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:06,288 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.06ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:06,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 0 Invalid, 196 Unknown, 0 Unchecked, 0.65ms Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 190.06ms Time] [2021-11-12 23:18:06,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2021-11-12 23:18:06,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 2278. [2021-11-12 23:18:06,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 2277 states have (on average 3.7839262187088276) internal successors, (8616), 2277 states have internal predecessors, (8616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 8616 transitions. [2021-11-12 23:18:06,373 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 8616 transitions. Word has length 42 [2021-11-12 23:18:06,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:06,374 INFO L470 AbstractCegarLoop]: Abstraction has 2278 states and 8616 transitions. [2021-11-12 23:18:06,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 8616 transitions. [2021-11-12 23:18:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-12 23:18:06,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:06,384 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:06,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-12 23:18:06,384 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:06,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:06,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1875576813, now seen corresponding path program 2 times [2021-11-12 23:18:06,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:06,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931555262] [2021-11-12 23:18:06,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:06,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:06,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:06,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931555262] [2021-11-12 23:18:06,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931555262] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:18:06,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842366836] [2021-11-12 23:18:06,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:18:06,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:06,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:06,525 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:18:06,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-12 23:18:06,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-12 23:18:06,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:18:06,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 23:18:06,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:06,865 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:06,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:07,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842366836] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:18:07,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2116574122] [2021-11-12 23:18:07,085 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:18:07,087 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:18:07,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-11-12 23:18:07,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214934776] [2021-11-12 23:18:07,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:18:07,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:18:07,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:07,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:18:07,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:18:07,089 INFO L87 Difference]: Start difference. First operand 2278 states and 8616 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:07,294 INFO L93 Difference]: Finished difference Result 2347 states and 8751 transitions. [2021-11-12 23:18:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:07,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 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 42 [2021-11-12 23:18:07,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:07,302 INFO L225 Difference]: With dead ends: 2347 [2021-11-12 23:18:07,303 INFO L226 Difference]: Without dead ends: 2192 [2021-11-12 23:18:07,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:18:07,304 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 47 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.50ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 186.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:07,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 0 Invalid, 221 Unknown, 0 Unchecked, 0.50ms Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 186.10ms Time] [2021-11-12 23:18:07,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2192 states. [2021-11-12 23:18:07,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2192 to 2150. [2021-11-12 23:18:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 2149 states have (on average 3.806421591437878) internal successors, (8180), 2149 states have internal predecessors, (8180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 8180 transitions. [2021-11-12 23:18:07,368 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 8180 transitions. Word has length 42 [2021-11-12 23:18:07,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:07,369 INFO L470 AbstractCegarLoop]: Abstraction has 2150 states and 8180 transitions. [2021-11-12 23:18:07,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:07,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 8180 transitions. [2021-11-12 23:18:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-12 23:18:07,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:07,377 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:07,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:07,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:07,600 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:07,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:07,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1827094490, now seen corresponding path program 3 times [2021-11-12 23:18:07,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:07,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919138202] [2021-11-12 23:18:07,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:07,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:07,810 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:07,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919138202] [2021-11-12 23:18:07,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919138202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:07,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:07,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:07,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046616519] [2021-11-12 23:18:07,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:07,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:07,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:07,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:07,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:07,812 INFO L87 Difference]: Start difference. First operand 2150 states and 8180 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:08,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:08,164 INFO L93 Difference]: Finished difference Result 2395 states and 8777 transitions. [2021-11-12 23:18:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:18:08,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 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 42 [2021-11-12 23:18:08,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:08,171 INFO L225 Difference]: With dead ends: 2395 [2021-11-12 23:18:08,171 INFO L226 Difference]: Without dead ends: 2368 [2021-11-12 23:18:08,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:18:08,172 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 51 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 271.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 316.69ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:08,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 0 Invalid, 316 Unknown, 0 Unchecked, 0.77ms Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 316.69ms Time] [2021-11-12 23:18:08,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2021-11-12 23:18:08,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 2154. [2021-11-12 23:18:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2154 states, 2153 states have (on average 3.8044588945657223) internal successors, (8191), 2153 states have internal predecessors, (8191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 8191 transitions. [2021-11-12 23:18:08,236 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 8191 transitions. Word has length 42 [2021-11-12 23:18:08,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:08,237 INFO L470 AbstractCegarLoop]: Abstraction has 2154 states and 8191 transitions. [2021-11-12 23:18:08,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 8191 transitions. [2021-11-12 23:18:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-12 23:18:08,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:08,244 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:08,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-12 23:18:08,244 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:08,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:08,245 INFO L85 PathProgramCache]: Analyzing trace with hash -111798548, now seen corresponding path program 4 times [2021-11-12 23:18:08,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:08,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584479043] [2021-11-12 23:18:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:08,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:08,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:08,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584479043] [2021-11-12 23:18:08,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584479043] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:08,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:08,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:08,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829018921] [2021-11-12 23:18:08,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:08,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:08,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:08,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:08,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:08,480 INFO L87 Difference]: Start difference. First operand 2154 states and 8191 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:08,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:08,831 INFO L93 Difference]: Finished difference Result 2269 states and 8446 transitions. [2021-11-12 23:18:08,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:18:08,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 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 42 [2021-11-12 23:18:08,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:08,838 INFO L225 Difference]: With dead ends: 2269 [2021-11-12 23:18:08,839 INFO L226 Difference]: Without dead ends: 2240 [2021-11-12 23:18:08,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:18:08,840 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 243.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 275.62ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:08,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 207 Unknown, 0 Unchecked, 0.56ms Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 275.62ms Time] [2021-11-12 23:18:08,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2021-11-12 23:18:08,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2154. [2021-11-12 23:18:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2154 states, 2153 states have (on average 3.8035299581978634) internal successors, (8189), 2153 states have internal predecessors, (8189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 8189 transitions. [2021-11-12 23:18:08,899 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 8189 transitions. Word has length 42 [2021-11-12 23:18:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:08,900 INFO L470 AbstractCegarLoop]: Abstraction has 2154 states and 8189 transitions. [2021-11-12 23:18:08,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 8189 transitions. [2021-11-12 23:18:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-12 23:18:08,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:08,906 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:08,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-12 23:18:08,907 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:08,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:08,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1522625078, now seen corresponding path program 5 times [2021-11-12 23:18:08,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:08,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884234120] [2021-11-12 23:18:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:08,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:09,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:09,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884234120] [2021-11-12 23:18:09,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884234120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:09,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:09,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:09,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838168767] [2021-11-12 23:18:09,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:09,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:09,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:09,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:09,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:09,101 INFO L87 Difference]: Start difference. First operand 2154 states and 8189 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:09,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:09,456 INFO L93 Difference]: Finished difference Result 2965 states and 10384 transitions. [2021-11-12 23:18:09,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:18:09,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 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 42 [2021-11-12 23:18:09,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:09,465 INFO L225 Difference]: With dead ends: 2965 [2021-11-12 23:18:09,465 INFO L226 Difference]: Without dead ends: 2938 [2021-11-12 23:18:09,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:18:09,467 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 91 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 272.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 315.98ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:09,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 0 Invalid, 284 Unknown, 0 Unchecked, 0.79ms Time], IncrementalHoareTripleChecker [0 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 315.98ms Time] [2021-11-12 23:18:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2938 states. [2021-11-12 23:18:09,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2938 to 2180. [2021-11-12 23:18:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2180 states, 2179 states have (on average 3.789352914180817) internal successors, (8257), 2179 states have internal predecessors, (8257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 8257 transitions. [2021-11-12 23:18:09,541 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 8257 transitions. Word has length 42 [2021-11-12 23:18:09,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:09,542 INFO L470 AbstractCegarLoop]: Abstraction has 2180 states and 8257 transitions. [2021-11-12 23:18:09,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 8257 transitions. [2021-11-12 23:18:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-12 23:18:09,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:09,548 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:09,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-12 23:18:09,549 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:09,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash 340696310, now seen corresponding path program 6 times [2021-11-12 23:18:09,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:09,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643222089] [2021-11-12 23:18:09,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:09,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:09,780 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:09,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643222089] [2021-11-12 23:18:09,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643222089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:09,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:09,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:09,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861848632] [2021-11-12 23:18:09,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:09,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:09,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:09,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:09,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:09,783 INFO L87 Difference]: Start difference. First operand 2180 states and 8257 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:10,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:10,050 INFO L93 Difference]: Finished difference Result 2603 states and 9372 transitions. [2021-11-12 23:18:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:18:10,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 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 42 [2021-11-12 23:18:10,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:10,057 INFO L225 Difference]: With dead ends: 2603 [2021-11-12 23:18:10,058 INFO L226 Difference]: Without dead ends: 2574 [2021-11-12 23:18:10,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:18:10,059 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 57 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 180.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.47ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 210.71ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:10,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 0 Invalid, 228 Unknown, 0 Unchecked, 0.47ms Time], IncrementalHoareTripleChecker [0 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 210.71ms Time] [2021-11-12 23:18:10,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states. [2021-11-12 23:18:10,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 2180. [2021-11-12 23:18:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2180 states, 2179 states have (on average 3.7884350619550253) internal successors, (8255), 2179 states have internal predecessors, (8255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 8255 transitions. [2021-11-12 23:18:10,124 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 8255 transitions. Word has length 42 [2021-11-12 23:18:10,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:10,124 INFO L470 AbstractCegarLoop]: Abstraction has 2180 states and 8255 transitions. [2021-11-12 23:18:10,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 8255 transitions. [2021-11-12 23:18:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-12 23:18:10,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:10,131 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:10,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-12 23:18:10,131 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:10,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:10,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1936053844, now seen corresponding path program 1 times [2021-11-12 23:18:10,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:10,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691136915] [2021-11-12 23:18:10,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:10,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:10,545 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:10,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691136915] [2021-11-12 23:18:10,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691136915] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:18:10,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522435879] [2021-11-12 23:18:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:10,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:10,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:18:10,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-12 23:18:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:10,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 23:18:10,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:10,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:11,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522435879] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:11,139 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:18:11,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [9] total 14 [2021-11-12 23:18:11,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511444057] [2021-11-12 23:18:11,140 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:11,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:18:11,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:11,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:18:11,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:18:11,141 INFO L87 Difference]: Start difference. First operand 2180 states and 8255 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:11,492 INFO L93 Difference]: Finished difference Result 2770 states and 9892 transitions. [2021-11-12 23:18:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:18:11,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 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 44 [2021-11-12 23:18:11,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:11,500 INFO L225 Difference]: With dead ends: 2770 [2021-11-12 23:18:11,500 INFO L226 Difference]: Without dead ends: 2698 [2021-11-12 23:18:11,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:18:11,501 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 139 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 254.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 295.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:11,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 0 Invalid, 267 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 295.94ms Time] [2021-11-12 23:18:11,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2021-11-12 23:18:11,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2156. [2021-11-12 23:18:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2156 states, 2155 states have (on average 3.780046403712297) internal successors, (8146), 2155 states have internal predecessors, (8146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 8146 transitions. [2021-11-12 23:18:11,567 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 8146 transitions. Word has length 44 [2021-11-12 23:18:11,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:11,567 INFO L470 AbstractCegarLoop]: Abstraction has 2156 states and 8146 transitions. [2021-11-12 23:18:11,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 8146 transitions. [2021-11-12 23:18:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-12 23:18:11,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:11,574 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:11,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:11,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-12 23:18:11,787 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:11,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:11,787 INFO L85 PathProgramCache]: Analyzing trace with hash 511202218, now seen corresponding path program 2 times [2021-11-12 23:18:11,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:11,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622529660] [2021-11-12 23:18:11,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:11,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:12,114 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:12,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622529660] [2021-11-12 23:18:12,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622529660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:12,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:12,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:12,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208702693] [2021-11-12 23:18:12,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:12,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:12,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:12,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:12,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:12,117 INFO L87 Difference]: Start difference. First operand 2156 states and 8146 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:12,253 INFO L93 Difference]: Finished difference Result 2314 states and 8613 transitions. [2021-11-12 23:18:12,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:12,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 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 44 [2021-11-12 23:18:12,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:12,259 INFO L225 Difference]: With dead ends: 2314 [2021-11-12 23:18:12,259 INFO L226 Difference]: Without dead ends: 2314 [2021-11-12 23:18:12,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:12,260 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 67 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.26ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 124.95ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:12,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 0 Invalid, 127 Unknown, 0 Unchecked, 0.26ms Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 124.95ms Time] [2021-11-12 23:18:12,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2021-11-12 23:18:12,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2228. [2021-11-12 23:18:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 2227 states have (on average 3.7723394701392006) internal successors, (8401), 2227 states have internal predecessors, (8401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 8401 transitions. [2021-11-12 23:18:12,320 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 8401 transitions. Word has length 44 [2021-11-12 23:18:12,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:12,320 INFO L470 AbstractCegarLoop]: Abstraction has 2228 states and 8401 transitions. [2021-11-12 23:18:12,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:12,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 8401 transitions. [2021-11-12 23:18:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-12 23:18:12,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:12,327 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:12,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-12 23:18:12,327 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:12,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:12,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1365580678, now seen corresponding path program 3 times [2021-11-12 23:18:12,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:12,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317933765] [2021-11-12 23:18:12,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:12,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:12,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:12,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317933765] [2021-11-12 23:18:12,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317933765] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:18:12,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548920945] [2021-11-12 23:18:12,830 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:18:12,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:12,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:12,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:18:12,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-12 23:18:13,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:18:13,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:18:13,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-12 23:18:13,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:13,528 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:18:13,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 55 [2021-11-12 23:18:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:13,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:15,053 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:18:15,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 37 [2021-11-12 23:18:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:15,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548920945] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:18:15,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1559115903] [2021-11-12 23:18:15,161 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:18:15,162 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:18:15,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 22 [2021-11-12 23:18:15,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684331937] [2021-11-12 23:18:15,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:18:15,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-12 23:18:15,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:15,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-12 23:18:15,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:18:15,165 INFO L87 Difference]: Start difference. First operand 2228 states and 8401 transitions. Second operand has 23 states, 22 states have (on average 3.272727272727273) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:18,204 INFO L93 Difference]: Finished difference Result 9043 states and 34565 transitions. [2021-11-12 23:18:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-12 23:18:18,205 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.272727272727273) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 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 44 [2021-11-12 23:18:18,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:18,244 INFO L225 Difference]: With dead ends: 9043 [2021-11-12 23:18:18,244 INFO L226 Difference]: Without dead ends: 8100 [2021-11-12 23:18:18,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 81 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=203, Invalid=727, Unknown=0, NotChecked=0, Total=930 [2021-11-12 23:18:18,246 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 782 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 2077 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1929.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.20ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1208 IncrementalHoareTripleChecker+Unchecked, 2273.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:18,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [782 Valid, 0 Invalid, 3317 Unknown, 0 Unchecked, 14.20ms Time], IncrementalHoareTripleChecker [32 Valid, 2077 Invalid, 0 Unknown, 1208 Unchecked, 2273.52ms Time] [2021-11-12 23:18:18,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8100 states. [2021-11-12 23:18:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8100 to 4636. [2021-11-12 23:18:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4636 states, 4635 states have (on average 3.8319309600863) internal successors, (17761), 4635 states have internal predecessors, (17761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:18,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 17761 transitions. [2021-11-12 23:18:18,478 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 17761 transitions. Word has length 44 [2021-11-12 23:18:18,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:18,478 INFO L470 AbstractCegarLoop]: Abstraction has 4636 states and 17761 transitions. [2021-11-12 23:18:18,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.272727272727273) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:18,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 17761 transitions. [2021-11-12 23:18:18,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-12 23:18:18,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:18,496 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:18,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:18,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-12 23:18:18,721 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:18,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:18,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1558271828, now seen corresponding path program 4 times [2021-11-12 23:18:18,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:18,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019617258] [2021-11-12 23:18:18,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:18,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:19,401 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:19,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019617258] [2021-11-12 23:18:19,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019617258] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:18:19,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058823899] [2021-11-12 23:18:19,402 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:18:19,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:19,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:19,403 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:18:19,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-12 23:18:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:19,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 23:18:19,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:19,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:19,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058823899] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:19,959 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:18:19,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [12] total 17 [2021-11-12 23:18:19,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024268420] [2021-11-12 23:18:19,960 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:19,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:19,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:19,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:19,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:18:19,961 INFO L87 Difference]: Start difference. First operand 4636 states and 17761 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:20,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:20,339 INFO L93 Difference]: Finished difference Result 6512 states and 22924 transitions. [2021-11-12 23:18:20,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:18:20,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-11-12 23:18:20,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:20,357 INFO L225 Difference]: With dead ends: 6512 [2021-11-12 23:18:20,357 INFO L226 Difference]: Without dead ends: 6408 [2021-11-12 23:18:20,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:18:20,362 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 100 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 274.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.41ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 330.35ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:20,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 0 Invalid, 272 Unknown, 0 Unchecked, 1.41ms Time], IncrementalHoareTripleChecker [3 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 330.35ms Time] [2021-11-12 23:18:20,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6408 states. [2021-11-12 23:18:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6408 to 4532. [2021-11-12 23:18:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4532 states, 4531 states have (on average 3.8649304789229753) internal successors, (17512), 4531 states have internal predecessors, (17512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4532 states to 4532 states and 17512 transitions. [2021-11-12 23:18:20,637 INFO L78 Accepts]: Start accepts. Automaton has 4532 states and 17512 transitions. Word has length 44 [2021-11-12 23:18:20,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:20,637 INFO L470 AbstractCegarLoop]: Abstraction has 4532 states and 17512 transitions. [2021-11-12 23:18:20,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 4532 states and 17512 transitions. [2021-11-12 23:18:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-12 23:18:20,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:20,654 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:20,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:20,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-12 23:18:20,861 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:20,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:20,862 INFO L85 PathProgramCache]: Analyzing trace with hash -569455875, now seen corresponding path program 1 times [2021-11-12 23:18:20,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:20,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262302073] [2021-11-12 23:18:20,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:20,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:21,288 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:21,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262302073] [2021-11-12 23:18:21,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262302073] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:21,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:21,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:21,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036008705] [2021-11-12 23:18:21,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:21,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:21,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:21,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:21,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:21,291 INFO L87 Difference]: Start difference. First operand 4532 states and 17512 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:21,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:21,542 INFO L93 Difference]: Finished difference Result 4708 states and 17955 transitions. [2021-11-12 23:18:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:21,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 45 [2021-11-12 23:18:21,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:21,560 INFO L225 Difference]: With dead ends: 4708 [2021-11-12 23:18:21,560 INFO L226 Difference]: Without dead ends: 4698 [2021-11-12 23:18:21,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:21,561 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 27 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 179.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 210.90ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:21,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 0 Invalid, 142 Unknown, 0 Unchecked, 0.71ms Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 210.90ms Time] [2021-11-12 23:18:21,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4698 states. [2021-11-12 23:18:21,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4698 to 4528. [2021-11-12 23:18:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4528 states, 4527 states have (on average 3.8663574110890213) internal successors, (17503), 4527 states have internal predecessors, (17503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:21,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4528 states to 4528 states and 17503 transitions. [2021-11-12 23:18:21,722 INFO L78 Accepts]: Start accepts. Automaton has 4528 states and 17503 transitions. Word has length 45 [2021-11-12 23:18:21,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:21,723 INFO L470 AbstractCegarLoop]: Abstraction has 4528 states and 17503 transitions. [2021-11-12 23:18:21,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 4528 states and 17503 transitions. [2021-11-12 23:18:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-12 23:18:21,739 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:21,740 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:21,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-12 23:18:21,740 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:21,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:21,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1655589425, now seen corresponding path program 2 times [2021-11-12 23:18:21,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:21,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039888645] [2021-11-12 23:18:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:21,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:22,179 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:22,180 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:22,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039888645] [2021-11-12 23:18:22,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039888645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:22,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:22,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:22,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529663260] [2021-11-12 23:18:22,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:22,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:22,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:22,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:22,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:22,182 INFO L87 Difference]: Start difference. First operand 4528 states and 17503 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:22,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:22,432 INFO L93 Difference]: Finished difference Result 4534 states and 17362 transitions. [2021-11-12 23:18:22,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:22,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 45 [2021-11-12 23:18:22,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:22,451 INFO L225 Difference]: With dead ends: 4534 [2021-11-12 23:18:22,452 INFO L226 Difference]: Without dead ends: 4534 [2021-11-12 23:18:22,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:22,453 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 88 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 174.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.82ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 205.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:22,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 0 Invalid, 120 Unknown, 0 Unchecked, 0.82ms Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 205.52ms Time] [2021-11-12 23:18:22,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2021-11-12 23:18:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 4372. [2021-11-12 23:18:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 4371 states have (on average 3.840311141615191) internal successors, (16786), 4371 states have internal predecessors, (16786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 16786 transitions. [2021-11-12 23:18:22,677 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 16786 transitions. Word has length 45 [2021-11-12 23:18:22,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:22,678 INFO L470 AbstractCegarLoop]: Abstraction has 4372 states and 16786 transitions. [2021-11-12 23:18:22,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 16786 transitions. [2021-11-12 23:18:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-12 23:18:22,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:22,694 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:22,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-12 23:18:22,694 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:22,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:22,695 INFO L85 PathProgramCache]: Analyzing trace with hash 394546979, now seen corresponding path program 3 times [2021-11-12 23:18:22,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:22,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602610687] [2021-11-12 23:18:22,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:22,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:23,139 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:23,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602610687] [2021-11-12 23:18:23,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602610687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:23,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:23,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:23,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604496309] [2021-11-12 23:18:23,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:23,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:23,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:23,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:23,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:23,142 INFO L87 Difference]: Start difference. First operand 4372 states and 16786 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:23,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:23,405 INFO L93 Difference]: Finished difference Result 4378 states and 16795 transitions. [2021-11-12 23:18:23,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:23,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 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 45 [2021-11-12 23:18:23,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:23,424 INFO L225 Difference]: With dead ends: 4378 [2021-11-12 23:18:23,424 INFO L226 Difference]: Without dead ends: 4372 [2021-11-12 23:18:23,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:23,427 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 40 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 182.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.81ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 214.98ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:23,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 169 Unknown, 0 Unchecked, 0.81ms Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 214.98ms Time] [2021-11-12 23:18:23,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4372 states. [2021-11-12 23:18:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4372 to 4372. [2021-11-12 23:18:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 4371 states have (on average 3.83893845801876) internal successors, (16780), 4371 states have internal predecessors, (16780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 16780 transitions. [2021-11-12 23:18:23,576 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 16780 transitions. Word has length 45 [2021-11-12 23:18:23,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:23,577 INFO L470 AbstractCegarLoop]: Abstraction has 4372 states and 16780 transitions. [2021-11-12 23:18:23,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 16780 transitions. [2021-11-12 23:18:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-12 23:18:23,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:23,596 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:23,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-12 23:18:23,596 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1638445232, now seen corresponding path program 1 times [2021-11-12 23:18:23,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:23,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495702850] [2021-11-12 23:18:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:23,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:24,114 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:24,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495702850] [2021-11-12 23:18:24,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495702850] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:18:24,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887668408] [2021-11-12 23:18:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:24,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:24,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:24,116 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:18:24,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-12 23:18:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:24,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:18:24,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:24,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:24,692 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-12 23:18:24,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 14 [2021-11-12 23:18:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:24,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887668408] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:18:24,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2079972267] [2021-11-12 23:18:24,749 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:18:24,751 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:18:24,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14 [2021-11-12 23:18:24,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793551551] [2021-11-12 23:18:24,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:18:24,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-12 23:18:24,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:24,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-12 23:18:24,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:18:24,753 INFO L87 Difference]: Start difference. First operand 4372 states and 16780 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:25,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:25,963 INFO L93 Difference]: Finished difference Result 14072 states and 53744 transitions. [2021-11-12 23:18:25,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:18:25,964 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 0 states have call successors, (0), 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 50 [2021-11-12 23:18:25,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:26,012 INFO L225 Difference]: With dead ends: 14072 [2021-11-12 23:18:26,012 INFO L226 Difference]: Without dead ends: 14072 [2021-11-12 23:18:26,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=435, Unknown=0, NotChecked=0, Total=650 [2021-11-12 23:18:26,013 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 428 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 767.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.32ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 901.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:26,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 0 Invalid, 801 Unknown, 0 Unchecked, 4.32ms Time], IncrementalHoareTripleChecker [36 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 901.36ms Time] [2021-11-12 23:18:26,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14072 states. [2021-11-12 23:18:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14072 to 4967. [2021-11-12 23:18:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4967 states, 4966 states have (on average 3.8308497784937576) internal successors, (19024), 4966 states have internal predecessors, (19024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4967 states to 4967 states and 19024 transitions. [2021-11-12 23:18:26,292 INFO L78 Accepts]: Start accepts. Automaton has 4967 states and 19024 transitions. Word has length 50 [2021-11-12 23:18:26,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:26,292 INFO L470 AbstractCegarLoop]: Abstraction has 4967 states and 19024 transitions. [2021-11-12 23:18:26,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 4967 states and 19024 transitions. [2021-11-12 23:18:26,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-12 23:18:26,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:26,307 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:26,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:26,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-11-12 23:18:26,533 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:26,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:26,534 INFO L85 PathProgramCache]: Analyzing trace with hash 187944448, now seen corresponding path program 1 times [2021-11-12 23:18:26,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:26,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894385217] [2021-11-12 23:18:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:26,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:26,846 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:26,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894385217] [2021-11-12 23:18:26,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894385217] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:26,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:26,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:26,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767916308] [2021-11-12 23:18:26,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:26,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:26,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:26,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:26,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:26,852 INFO L87 Difference]: Start difference. First operand 4967 states and 19024 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:27,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:27,171 INFO L93 Difference]: Finished difference Result 7277 states and 26496 transitions. [2021-11-12 23:18:27,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:27,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 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 50 [2021-11-12 23:18:27,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:27,200 INFO L225 Difference]: With dead ends: 7277 [2021-11-12 23:18:27,201 INFO L226 Difference]: Without dead ends: 7277 [2021-11-12 23:18:27,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:27,202 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 59 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 218.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.74ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 256.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:27,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 0 Invalid, 180 Unknown, 0 Unchecked, 0.74ms Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 256.42ms Time] [2021-11-12 23:18:27,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states. [2021-11-12 23:18:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 6463. [2021-11-12 23:18:27,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6463 states, 6462 states have (on average 3.7496131228721756) internal successors, (24230), 6462 states have internal predecessors, (24230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6463 states to 6463 states and 24230 transitions. [2021-11-12 23:18:27,409 INFO L78 Accepts]: Start accepts. Automaton has 6463 states and 24230 transitions. Word has length 50 [2021-11-12 23:18:27,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:27,409 INFO L470 AbstractCegarLoop]: Abstraction has 6463 states and 24230 transitions. [2021-11-12 23:18:27,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 6463 states and 24230 transitions. [2021-11-12 23:18:27,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-12 23:18:27,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:27,423 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:27,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-12 23:18:27,424 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:27,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:27,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2709602, now seen corresponding path program 2 times [2021-11-12 23:18:27,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:27,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675436134] [2021-11-12 23:18:27,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:27,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:28,028 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:28,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675436134] [2021-11-12 23:18:28,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675436134] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:18:28,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358966106] [2021-11-12 23:18:28,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:18:28,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:28,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:28,030 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:18:28,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-12 23:18:28,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-12 23:18:28,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:18:28,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:18:28,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:28,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:28,697 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-12 23:18:28,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 14 [2021-11-12 23:18:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:18:28,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358966106] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:18:28,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1689170353] [2021-11-12 23:18:28,749 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:18:28,750 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:18:28,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 22 [2021-11-12 23:18:28,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347438578] [2021-11-12 23:18:28,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:18:28,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-12 23:18:28,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:28,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-12 23:18:28,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:18:28,753 INFO L87 Difference]: Start difference. First operand 6463 states and 24230 transitions. Second operand has 22 states, 22 states have (on average 4.5) internal successors, (99), 22 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:34,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:34,529 INFO L93 Difference]: Finished difference Result 31504 states and 118080 transitions. [2021-11-12 23:18:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-12 23:18:34,530 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.5) internal successors, (99), 22 states have internal predecessors, (99), 0 states have call successors, (0), 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 50 [2021-11-12 23:18:34,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:34,683 INFO L225 Difference]: With dead ends: 31504 [2021-11-12 23:18:34,684 INFO L226 Difference]: Without dead ends: 30566 [2021-11-12 23:18:34,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1374 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1176, Invalid=4080, Unknown=0, NotChecked=0, Total=5256 [2021-11-12 23:18:34,687 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1171 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 3265 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2731.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.39ms SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 3265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3212.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:34,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1171 Valid, 0 Invalid, 3492 Unknown, 0 Unchecked, 18.39ms Time], IncrementalHoareTripleChecker [227 Valid, 3265 Invalid, 0 Unknown, 0 Unchecked, 3212.40ms Time] [2021-11-12 23:18:34,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30566 states. [2021-11-12 23:18:35,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30566 to 7330. [2021-11-12 23:18:35,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7330 states, 7329 states have (on average 3.7365261290762724) internal successors, (27385), 7329 states have internal predecessors, (27385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7330 states to 7330 states and 27385 transitions. [2021-11-12 23:18:35,146 INFO L78 Accepts]: Start accepts. Automaton has 7330 states and 27385 transitions. Word has length 50 [2021-11-12 23:18:35,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:35,147 INFO L470 AbstractCegarLoop]: Abstraction has 7330 states and 27385 transitions. [2021-11-12 23:18:35,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.5) internal successors, (99), 22 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 7330 states and 27385 transitions. [2021-11-12 23:18:35,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-12 23:18:35,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:35,164 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:35,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:35,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:35,377 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:35,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:35,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1228005514, now seen corresponding path program 2 times [2021-11-12 23:18:35,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:35,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762578218] [2021-11-12 23:18:35,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:35,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:35,532 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:35,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762578218] [2021-11-12 23:18:35,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762578218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:35,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:35,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:35,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984300950] [2021-11-12 23:18:35,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:35,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:35,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:35,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:35,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:35,535 INFO L87 Difference]: Start difference. First operand 7330 states and 27385 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:35,752 INFO L93 Difference]: Finished difference Result 7360 states and 26498 transitions. [2021-11-12 23:18:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:35,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 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 50 [2021-11-12 23:18:35,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:35,767 INFO L225 Difference]: With dead ends: 7360 [2021-11-12 23:18:35,767 INFO L226 Difference]: Without dead ends: 7360 [2021-11-12 23:18:35,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:35,768 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.45ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 185.21ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:35,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 189 Unknown, 0 Unchecked, 0.45ms Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 185.21ms Time] [2021-11-12 23:18:35,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7360 states. [2021-11-12 23:18:35,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7360 to 5444. [2021-11-12 23:18:35,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5444 states, 5443 states have (on average 3.631453242697042) internal successors, (19766), 5443 states have internal predecessors, (19766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:35,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5444 states to 5444 states and 19766 transitions. [2021-11-12 23:18:35,909 INFO L78 Accepts]: Start accepts. Automaton has 5444 states and 19766 transitions. Word has length 50 [2021-11-12 23:18:35,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:35,909 INFO L470 AbstractCegarLoop]: Abstraction has 5444 states and 19766 transitions. [2021-11-12 23:18:35,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 5444 states and 19766 transitions. [2021-11-12 23:18:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-12 23:18:35,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:35,919 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:35,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-12 23:18:35,920 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:35,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:35,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1485612581, now seen corresponding path program 1 times [2021-11-12 23:18:35,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:35,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103063107] [2021-11-12 23:18:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:35,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:36,141 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:36,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103063107] [2021-11-12 23:18:36,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103063107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:36,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:36,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:36,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202117933] [2021-11-12 23:18:36,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:36,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:36,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:36,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:36,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:36,145 INFO L87 Difference]: Start difference. First operand 5444 states and 19766 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:36,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:36,359 INFO L93 Difference]: Finished difference Result 5474 states and 19817 transitions. [2021-11-12 23:18:36,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:36,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 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 51 [2021-11-12 23:18:36,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:36,375 INFO L225 Difference]: With dead ends: 5474 [2021-11-12 23:18:36,375 INFO L226 Difference]: Without dead ends: 5444 [2021-11-12 23:18:36,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:36,376 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 148.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.53ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 174.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:36,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 177 Unknown, 0 Unchecked, 0.53ms Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 174.76ms Time] [2021-11-12 23:18:36,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5444 states. [2021-11-12 23:18:36,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5444 to 5444. [2021-11-12 23:18:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5444 states, 5443 states have (on average 3.625941576336579) internal successors, (19736), 5443 states have internal predecessors, (19736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:36,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5444 states to 5444 states and 19736 transitions. [2021-11-12 23:18:36,505 INFO L78 Accepts]: Start accepts. Automaton has 5444 states and 19736 transitions. Word has length 51 [2021-11-12 23:18:36,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:36,505 INFO L470 AbstractCegarLoop]: Abstraction has 5444 states and 19736 transitions. [2021-11-12 23:18:36,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 5444 states and 19736 transitions. [2021-11-12 23:18:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-12 23:18:36,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:36,517 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:36,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-12 23:18:36,517 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:36,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:36,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1619749489, now seen corresponding path program 2 times [2021-11-12 23:18:36,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:36,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959395357] [2021-11-12 23:18:36,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:36,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:36,799 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:36,800 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:36,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959395357] [2021-11-12 23:18:36,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959395357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:36,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:36,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:18:36,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487251343] [2021-11-12 23:18:36,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:36,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:36,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:36,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:36,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:36,803 INFO L87 Difference]: Start difference. First operand 5444 states and 19736 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:36,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:36,985 INFO L93 Difference]: Finished difference Result 5474 states and 19787 transitions. [2021-11-12 23:18:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:36,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 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 51 [2021-11-12 23:18:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:37,002 INFO L225 Difference]: With dead ends: 5474 [2021-11-12 23:18:37,002 INFO L226 Difference]: Without dead ends: 5442 [2021-11-12 23:18:37,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:37,003 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 15 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.43ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:37,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 0 Invalid, 159 Unknown, 0 Unchecked, 0.46ms Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 149.43ms Time] [2021-11-12 23:18:37,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5442 states. [2021-11-12 23:18:37,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5442 to 5442. [2021-11-12 23:18:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5442 states, 5441 states have (on average 3.6263554493659256) internal successors, (19731), 5441 states have internal predecessors, (19731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5442 states to 5442 states and 19731 transitions. [2021-11-12 23:18:37,130 INFO L78 Accepts]: Start accepts. Automaton has 5442 states and 19731 transitions. Word has length 51 [2021-11-12 23:18:37,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:37,130 INFO L470 AbstractCegarLoop]: Abstraction has 5442 states and 19731 transitions. [2021-11-12 23:18:37,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5442 states and 19731 transitions. [2021-11-12 23:18:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:18:37,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:37,141 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:37,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-12 23:18:37,141 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:18:37,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:37,142 INFO L85 PathProgramCache]: Analyzing trace with hash 269894564, now seen corresponding path program 1 times [2021-11-12 23:18:37,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:37,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232798958] [2021-11-12 23:18:37,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:37,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:18:37,681 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:37,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232798958] [2021-11-12 23:18:37,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232798958] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:18:37,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920024301] [2021-11-12 23:18:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:37,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:18:37,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:37,685 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:18:37,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-12 23:18:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:37,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-12 23:18:37,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:37,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 121 [2021-11-12 23:18:38,553 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-12 23:18:38,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-11-12 23:18:38,778 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:18:38,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 53 [2021-11-12 23:18:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:18:38,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:00,630 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:19:00,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 234 treesize of output 252 [2021-11-12 23:19:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:19:02,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920024301] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:19:02,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1522648527] [2021-11-12 23:19:02,947 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:19:02,949 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:19:02,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 13] total 34 [2021-11-12 23:19:02,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348103991] [2021-11-12 23:19:02,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:19:02,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-12 23:19:02,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:19:02,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-12 23:19:02,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1035, Unknown=8, NotChecked=0, Total=1260 [2021-11-12 23:19:02,953 INFO L87 Difference]: Start difference. First operand 5442 states and 19731 transitions. Second operand has 36 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:19:39,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:39,934 INFO L93 Difference]: Finished difference Result 25881 states and 94291 transitions. [2021-11-12 23:19:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-12 23:19:39,934 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 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 52 [2021-11-12 23:19:39,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:39,989 INFO L225 Difference]: With dead ends: 25881 [2021-11-12 23:19:39,990 INFO L226 Difference]: Without dead ends: 24286 [2021-11-12 23:19:39,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 95 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1673 ImplicationChecksByTransitivity, 56.3s TimeCoverageRelationStatistics Valid=1041, Invalid=4189, Unknown=26, NotChecked=0, Total=5256 [2021-11-12 23:19:39,992 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1209 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 4084 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2728.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.14ms SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 4084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3480 IncrementalHoareTripleChecker+Unchecked, 3211.12ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:39,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1209 Valid, 0 Invalid, 7719 Unknown, 0 Unchecked, 18.14ms Time], IncrementalHoareTripleChecker [155 Valid, 4084 Invalid, 0 Unknown, 3480 Unchecked, 3211.12ms Time] [2021-11-12 23:19:40,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24286 states. [2021-11-12 23:19:40,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24286 to 6783. [2021-11-12 23:19:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6783 states, 6782 states have (on average 3.613683279268652) internal successors, (24508), 6782 states have internal predecessors, (24508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:19:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6783 states to 6783 states and 24508 transitions. [2021-11-12 23:19:40,235 INFO L78 Accepts]: Start accepts. Automaton has 6783 states and 24508 transitions. Word has length 52 [2021-11-12 23:19:40,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:40,236 INFO L470 AbstractCegarLoop]: Abstraction has 6783 states and 24508 transitions. [2021-11-12 23:19:40,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:19:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 6783 states and 24508 transitions. [2021-11-12 23:19:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:19:40,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:40,249 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:19:40,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:40,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:19:40,461 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:19:40,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:40,462 INFO L85 PathProgramCache]: Analyzing trace with hash 411008560, now seen corresponding path program 2 times [2021-11-12 23:19:40,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:19:40,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431590553] [2021-11-12 23:19:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:40,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:19:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:19:41,089 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:19:41,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431590553] [2021-11-12 23:19:41,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431590553] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:19:41,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606416845] [2021-11-12 23:19:41,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:19:41,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:19:41,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:19:41,090 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:19:41,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-12 23:19:41,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-12 23:19:41,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:19:41,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-12 23:19:41,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:42,133 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-12 23:19:42,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-12 23:19:42,354 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:19:42,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 49 [2021-11-12 23:19:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:19:42,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:44,894 WARN L838 $PredicateComparison]: unable to prove that (and (= (mod c_~break_14~0 256) 0) (or (forall ((|v_ULTIMATE.start_main_#t~pre112#1_184| Int) (|ULTIMATE.start_main_~#t3~0#1.offset| Int) (~ends_with_6~0.base Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_184|)) ~ends_with_6~0.base) (+ c_~i_13~0 c_~ends_with_6~0.offset)) 256) 0)) (not (= (+ c_~i_13~0 1000) 0))) (forall ((|v_ULTIMATE.start_main_#t~pre112#1_184| Int) (|ULTIMATE.start_main_~#t3~0#1.offset| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_184|)) c_~ends_with_2~0.base) (+ c_~i_13~0 c_~ends_with_2~0.offset)) 256) 0)) (or (forall ((|v_ULTIMATE.start_main_#t~pre112#1_184| Int) (|ULTIMATE.start_main_~#t3~0#1.offset| Int) (~ends_with_6~0.base Int)) (not (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_184|)) ~ends_with_6~0.base) (+ c_~i_13~0 c_~ends_with_6~0.offset)) 256) 0))) (< c_~i_13~0 4))) is different from false [2021-11-12 23:19:59,867 WARN L227 SmtUtils]: Spent 7.30s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:20:09,078 WARN L227 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:20:09,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:09,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 158 [2021-11-12 23:20:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:20:09,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606416845] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:20:09,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1801184375] [2021-11-12 23:20:09,732 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:20:09,733 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:20:09,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 12] total 38 [2021-11-12 23:20:09,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16447873] [2021-11-12 23:20:09,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:20:09,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-12 23:20:09,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:20:09,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-12 23:20:09,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1271, Unknown=6, NotChecked=74, Total=1560 [2021-11-12 23:20:09,735 INFO L87 Difference]: Start difference. First operand 6783 states and 24508 transitions. Second operand has 40 states, 39 states have (on average 2.948717948717949) internal successors, (115), 39 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:20:15,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:15,802 INFO L93 Difference]: Finished difference Result 20495 states and 72803 transitions. [2021-11-12 23:20:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-12 23:20:15,803 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 2.948717948717949) internal successors, (115), 39 states have internal predecessors, (115), 0 states have call successors, (0), 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 52 [2021-11-12 23:20:15,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:15,868 INFO L225 Difference]: With dead ends: 20495 [2021-11-12 23:20:15,868 INFO L226 Difference]: Without dead ends: 19868 [2021-11-12 23:20:15,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 78 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 1695 ImplicationChecksByTransitivity, 28.6s TimeCoverageRelationStatistics Valid=1064, Invalid=4786, Unknown=6, NotChecked=150, Total=6006 [2021-11-12 23:20:15,871 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 972 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 3690 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2818.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.82ms SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 3690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1996 IncrementalHoareTripleChecker+Unchecked, 3326.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:15,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [972 Valid, 0 Invalid, 5782 Unknown, 0 Unchecked, 16.82ms Time], IncrementalHoareTripleChecker [96 Valid, 3690 Invalid, 0 Unknown, 1996 Unchecked, 3326.39ms Time] [2021-11-12 23:20:15,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19868 states. [2021-11-12 23:20:16,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19868 to 7648. [2021-11-12 23:20:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7648 states, 7647 states have (on average 3.613181639858768) internal successors, (27630), 7647 states have internal predecessors, (27630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:20:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7648 states to 7648 states and 27630 transitions. [2021-11-12 23:20:16,186 INFO L78 Accepts]: Start accepts. Automaton has 7648 states and 27630 transitions. Word has length 52 [2021-11-12 23:20:16,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:16,187 INFO L470 AbstractCegarLoop]: Abstraction has 7648 states and 27630 transitions. [2021-11-12 23:20:16,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 2.948717948717949) internal successors, (115), 39 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:20:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7648 states and 27630 transitions. [2021-11-12 23:20:16,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:20:16,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:16,206 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:16,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:16,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-11-12 23:20:16,433 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:20:16,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:16,434 INFO L85 PathProgramCache]: Analyzing trace with hash 678152808, now seen corresponding path program 3 times [2021-11-12 23:20:16,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:20:16,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921442575] [2021-11-12 23:20:16,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:16,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:20:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:20:17,174 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:20:17,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921442575] [2021-11-12 23:20:17,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921442575] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:20:17,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783881570] [2021-11-12 23:20:17,175 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:20:17,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:20:17,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:20:17,176 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:20:17,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-12 23:20:17,522 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:20:17,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:20:17,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-12 23:20:17,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:17,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 79 [2021-11-12 23:20:18,030 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-12 23:20:18,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-12 23:20:18,516 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:18,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 53 [2021-11-12 23:20:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:20:18,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:51,731 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:20:51,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 100 [2021-11-12 23:20:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:20:52,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783881570] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:20:52,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1525810983] [2021-11-12 23:20:52,986 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:20:52,988 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:20:52,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 35 [2021-11-12 23:20:52,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208096190] [2021-11-12 23:20:52,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:20:52,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-12 23:20:52,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:20:52,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-12 23:20:52,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1108, Unknown=6, NotChecked=0, Total=1332 [2021-11-12 23:20:52,991 INFO L87 Difference]: Start difference. First operand 7648 states and 27630 transitions. Second operand has 37 states, 36 states have (on average 3.111111111111111) internal successors, (112), 36 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:20:56,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:56,487 INFO L93 Difference]: Finished difference Result 20456 states and 75174 transitions. [2021-11-12 23:20:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-12 23:20:56,487 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.111111111111111) internal successors, (112), 36 states have internal predecessors, (112), 0 states have call successors, (0), 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 52 [2021-11-12 23:20:56,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:56,677 INFO L225 Difference]: With dead ends: 20456 [2021-11-12 23:20:56,677 INFO L226 Difference]: Without dead ends: 19578 [2021-11-12 23:20:56,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 81 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 33.9s TimeCoverageRelationStatistics Valid=434, Invalid=2110, Unknown=6, NotChecked=0, Total=2550 [2021-11-12 23:20:56,683 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 514 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 2970 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2279.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.87ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1796 IncrementalHoareTripleChecker+Unchecked, 2698.17ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:56,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [514 Valid, 0 Invalid, 4799 Unknown, 0 Unchecked, 14.87ms Time], IncrementalHoareTripleChecker [33 Valid, 2970 Invalid, 0 Unknown, 1796 Unchecked, 2698.17ms Time] [2021-11-12 23:20:56,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19578 states. [2021-11-12 23:20:56,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19578 to 7490. [2021-11-12 23:20:56,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7490 states, 7489 states have (on average 3.6132995059420483) internal successors, (27060), 7489 states have internal predecessors, (27060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:20:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 27060 transitions. [2021-11-12 23:20:57,012 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 27060 transitions. Word has length 52 [2021-11-12 23:20:57,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:57,013 INFO L470 AbstractCegarLoop]: Abstraction has 7490 states and 27060 transitions. [2021-11-12 23:20:57,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.111111111111111) internal successors, (112), 36 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:20:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 27060 transitions. [2021-11-12 23:20:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:20:57,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:57,028 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:57,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:57,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-11-12 23:20:57,228 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:20:57,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:57,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1920294642, now seen corresponding path program 4 times [2021-11-12 23:20:57,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:20:57,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566914389] [2021-11-12 23:20:57,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:57,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:20:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-12 23:20:59,336 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:20:59,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566914389] [2021-11-12 23:20:59,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566914389] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:20:59,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426291890] [2021-11-12 23:20:59,336 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:20:59,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:20:59,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:20:59,337 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:20:59,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-12 23:20:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:59,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-12 23:20:59,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:59,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 825 treesize of output 761 [2021-11-12 23:20:59,971 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-12 23:20:59,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-12 23:21:00,362 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:21:00,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 53 [2021-11-12 23:21:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:21:00,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:21:25,050 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:21:25,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 100 [2021-11-12 23:21:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:21:27,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426291890] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:21:27,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [36429390] [2021-11-12 23:21:27,857 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:21:27,874 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:21:27,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 13] total 48 [2021-11-12 23:21:27,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393215168] [2021-11-12 23:21:27,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:21:27,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-11-12 23:21:27,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:21:27,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-11-12 23:21:27,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=2161, Unknown=6, NotChecked=0, Total=2450 [2021-11-12 23:21:27,878 INFO L87 Difference]: Start difference. First operand 7490 states and 27060 transitions. Second operand has 50 states, 49 states have (on average 2.489795918367347) internal successors, (122), 49 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:21:36,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:21:36,839 INFO L93 Difference]: Finished difference Result 15784 states and 56905 transitions. [2021-11-12 23:21:36,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-12 23:21:36,854 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 2.489795918367347) internal successors, (122), 49 states have internal predecessors, (122), 0 states have call successors, (0), 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 52 [2021-11-12 23:21:36,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:21:36,930 INFO L225 Difference]: With dead ends: 15784 [2021-11-12 23:21:36,930 INFO L226 Difference]: Without dead ends: 15644 [2021-11-12 23:21:36,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 103 SyntacticMatches, 3 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1995 ImplicationChecksByTransitivity, 30.8s TimeCoverageRelationStatistics Valid=1422, Invalid=6944, Unknown=6, NotChecked=0, Total=8372 [2021-11-12 23:21:36,935 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 812 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4174.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.95ms SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2747 IncrementalHoareTripleChecker+Unchecked, 4886.43ms IncrementalHoareTripleChecker+Time [2021-11-12 23:21:36,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [812 Valid, 0 Invalid, 7930 Unknown, 0 Unchecked, 24.95ms Time], IncrementalHoareTripleChecker [148 Valid, 5035 Invalid, 0 Unknown, 2747 Unchecked, 4886.43ms Time] [2021-11-12 23:21:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15644 states. [2021-11-12 23:21:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15644 to 7936. [2021-11-12 23:21:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7936 states, 7935 states have (on average 3.628481411468179) internal successors, (28792), 7935 states have internal predecessors, (28792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:21:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7936 states to 7936 states and 28792 transitions. [2021-11-12 23:21:37,259 INFO L78 Accepts]: Start accepts. Automaton has 7936 states and 28792 transitions. Word has length 52 [2021-11-12 23:21:37,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:21:37,259 INFO L470 AbstractCegarLoop]: Abstraction has 7936 states and 28792 transitions. [2021-11-12 23:21:37,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 2.489795918367347) internal successors, (122), 49 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:21:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 7936 states and 28792 transitions. [2021-11-12 23:21:37,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:21:37,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:21:37,280 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:21:37,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:21:37,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:21:37,481 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:21:37,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:21:37,481 INFO L85 PathProgramCache]: Analyzing trace with hash -298427808, now seen corresponding path program 5 times [2021-11-12 23:21:37,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:21:37,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824733905] [2021-11-12 23:21:37,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:21:37,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:21:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:21:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:21:38,329 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:21:38,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824733905] [2021-11-12 23:21:38,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824733905] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:21:38,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583211636] [2021-11-12 23:21:38,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:21:38,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:21:38,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:21:38,331 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:21:38,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-12 23:21:38,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-12 23:21:38,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:21:38,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-12 23:21:38,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:21:39,330 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-12 23:21:39,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-12 23:21:39,696 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:21:39,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 53 [2021-11-12 23:21:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:21:39,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:21:53,184 WARN L227 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:21:53,981 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thread1Thread1of1ForFork2_#t~ite12#1| 0) (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre112#1_190| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_190|)) c_~ends_with_2~0.base) (+ c_~i_13~0 c_~ends_with_2~0.offset)) 256) 0)) (or (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (~ends_with_6~0.base Int) (~ends_with_6~0.offset Int) (|v_ULTIMATE.start_main_#t~pre112#1_190| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_190|)) ~ends_with_6~0.base) (+ c_~i_13~0 ~ends_with_6~0.offset)) 256) 0)) (not (= (+ c_~i_13~0 1000) 0))) (< c_~i_13~0 4)) is different from false [2021-11-12 23:21:54,115 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:21:54,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 100 [2021-11-12 23:21:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 1 not checked. [2021-11-12 23:21:55,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583211636] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:21:55,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1623970540] [2021-11-12 23:21:55,485 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:21:55,486 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:21:55,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 33 [2021-11-12 23:21:55,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037427175] [2021-11-12 23:21:55,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:21:55,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-12 23:21:55,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:21:55,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-12 23:21:55,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=939, Unknown=8, NotChecked=64, Total=1190 [2021-11-12 23:21:55,488 INFO L87 Difference]: Start difference. First operand 7936 states and 28792 transitions. Second operand has 35 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 34 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:00,627 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod c_~break_14~0 256) 0)) (.cse1 (not (= (+ c_~i_13~0 1000) 0))) (.cse2 (< c_~i_13~0 4))) (and .cse0 (or .cse0 (not (= c_~result_12~0 0))) (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre112#1_190| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_190|)) c_~ends_with_2~0.base) (+ c_~i_13~0 c_~ends_with_2~0.offset)) 256) 0)) (or (not .cse0) (and (or (forall ((~ends_with_6~0.base Int) (~ends_with_6~0.offset Int)) (= 0 (mod (select (select |c_#memory_int| ~ends_with_6~0.base) (+ c_~i_13~0 ~ends_with_6~0.offset)) 256))) .cse1) (or (forall ((~ends_with_6~0.base Int) (~ends_with_6~0.offset Int)) (not (= 0 (mod (select (select |c_#memory_int| ~ends_with_6~0.base) (+ c_~i_13~0 ~ends_with_6~0.offset)) 256)))) .cse2))) (or (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (~ends_with_6~0.base Int) (~ends_with_6~0.offset Int) (|v_ULTIMATE.start_main_#t~pre112#1_190| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_190|)) ~ends_with_6~0.base) (+ c_~i_13~0 ~ends_with_6~0.offset)) 256) 0)) .cse1) .cse2)) is different from false [2021-11-12 23:22:01,837 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod c_~break_14~0 256) 0)) (.cse1 (not (= (+ c_~i_13~0 1000) 0))) (.cse2 (< c_~i_13~0 4))) (and .cse0 (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre112#1_190| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_190|)) c_~ends_with_2~0.base) (+ c_~i_13~0 c_~ends_with_2~0.offset)) 256) 0)) (or (and (or .cse0 (not (= c_~result_12~0 0))) (or (not .cse0) (and (or (forall ((~ends_with_6~0.base Int) (~ends_with_6~0.offset Int)) (= 0 (mod (select (select |c_#memory_int| ~ends_with_6~0.base) (+ c_~i_13~0 ~ends_with_6~0.offset)) 256))) .cse1) (or (forall ((~ends_with_6~0.base Int) (~ends_with_6~0.offset Int)) (not (= 0 (mod (select (select |c_#memory_int| ~ends_with_6~0.base) (+ c_~i_13~0 ~ends_with_6~0.offset)) 256)))) .cse2)))) (not (= (mod c_~break_20~0 256) 0))) (or (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (~ends_with_6~0.base Int) (~ends_with_6~0.offset Int) (|v_ULTIMATE.start_main_#t~pre112#1_190| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_190|)) ~ends_with_6~0.base) (+ c_~i_13~0 ~ends_with_6~0.offset)) 256) 0)) .cse1) .cse2)) is different from false [2021-11-12 23:22:02,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:22:02,639 INFO L93 Difference]: Finished difference Result 23122 states and 84341 transitions. [2021-11-12 23:22:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-12 23:22:02,639 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 34 states have internal predecessors, (115), 0 states have call successors, (0), 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 52 [2021-11-12 23:22:02,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:22:02,719 INFO L225 Difference]: With dead ends: 23122 [2021-11-12 23:22:02,720 INFO L226 Difference]: Without dead ends: 22368 [2021-11-12 23:22:02,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 88 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 806 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=545, Invalid=2319, Unknown=10, NotChecked=318, Total=3192 [2021-11-12 23:22:02,723 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 860 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 2889 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2217.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.17ms SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2914 IncrementalHoareTripleChecker+Unchecked, 2632.68ms IncrementalHoareTripleChecker+Time [2021-11-12 23:22:02,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [860 Valid, 0 Invalid, 5852 Unknown, 0 Unchecked, 18.17ms Time], IncrementalHoareTripleChecker [49 Valid, 2889 Invalid, 0 Unknown, 2914 Unchecked, 2632.68ms Time] [2021-11-12 23:22:02,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22368 states. [2021-11-12 23:22:03,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22368 to 8499. [2021-11-12 23:22:03,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8499 states, 8498 states have (on average 3.6115556601553305) internal successors, (30691), 8498 states have internal predecessors, (30691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8499 states to 8499 states and 30691 transitions. [2021-11-12 23:22:03,094 INFO L78 Accepts]: Start accepts. Automaton has 8499 states and 30691 transitions. Word has length 52 [2021-11-12 23:22:03,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:22:03,094 INFO L470 AbstractCegarLoop]: Abstraction has 8499 states and 30691 transitions. [2021-11-12 23:22:03,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 34 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 8499 states and 30691 transitions. [2021-11-12 23:22:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:22:03,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:03,113 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:22:03,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:22:03,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:22:03,313 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:22:03,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:03,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1630455664, now seen corresponding path program 6 times [2021-11-12 23:22:03,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:22:03,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734444418] [2021-11-12 23:22:03,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:03,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:22:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:22:04,126 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:22:04,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734444418] [2021-11-12 23:22:04,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734444418] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:22:04,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459918242] [2021-11-12 23:22:04,127 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:22:04,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:22:04,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:22:04,129 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:22:04,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-12 23:22:04,571 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:22:04,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:22:04,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-12 23:22:04,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:05,507 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:22:05,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 53 [2021-11-12 23:22:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:22:05,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:22:07,266 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:22:07,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 173 treesize of output 197 [2021-11-12 23:22:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:22:07,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459918242] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:22:07,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [343136198] [2021-11-12 23:22:07,826 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:22:07,827 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:22:07,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 13] total 34 [2021-11-12 23:22:07,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387725374] [2021-11-12 23:22:07,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:22:07,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-12 23:22:07,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:22:07,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-12 23:22:07,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1013, Unknown=0, NotChecked=0, Total=1190 [2021-11-12 23:22:07,829 INFO L87 Difference]: Start difference. First operand 8499 states and 30691 transitions. Second operand has 35 states, 34 states have (on average 3.2941176470588234) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:20,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:22:20,257 INFO L93 Difference]: Finished difference Result 33563 states and 120979 transitions. [2021-11-12 23:22:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-11-12 23:22:20,258 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 3.2941176470588234) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 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 52 [2021-11-12 23:22:20,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:22:20,340 INFO L225 Difference]: With dead ends: 33563 [2021-11-12 23:22:20,340 INFO L226 Difference]: Without dead ends: 32430 [2021-11-12 23:22:20,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 105 SyntacticMatches, 18 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6115 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=2793, Invalid=12213, Unknown=0, NotChecked=0, Total=15006 [2021-11-12 23:22:20,345 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1355 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 4225 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4282.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.55ms SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 4225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3767 IncrementalHoareTripleChecker+Unchecked, 5132.63ms IncrementalHoareTripleChecker+Time [2021-11-12 23:22:20,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1355 Valid, 0 Invalid, 8307 Unknown, 0 Unchecked, 34.55ms Time], IncrementalHoareTripleChecker [315 Valid, 4225 Invalid, 0 Unknown, 3767 Unchecked, 5132.63ms Time] [2021-11-12 23:22:20,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32430 states. [2021-11-12 23:22:20,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32430 to 8124. [2021-11-12 23:22:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8124 states, 8123 states have (on average 3.613689523575034) internal successors, (29354), 8123 states have internal predecessors, (29354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8124 states to 8124 states and 29354 transitions. [2021-11-12 23:22:20,844 INFO L78 Accepts]: Start accepts. Automaton has 8124 states and 29354 transitions. Word has length 52 [2021-11-12 23:22:20,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:22:20,844 INFO L470 AbstractCegarLoop]: Abstraction has 8124 states and 29354 transitions. [2021-11-12 23:22:20,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 3.2941176470588234) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 8124 states and 29354 transitions. [2021-11-12 23:22:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:22:20,859 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:20,859 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:22:20,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:22:21,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:22:21,060 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:22:21,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:21,060 INFO L85 PathProgramCache]: Analyzing trace with hash 93840298, now seen corresponding path program 1 times [2021-11-12 23:22:21,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:22:21,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107331519] [2021-11-12 23:22:21,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:21,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:22:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:22:21,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:22:21,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107331519] [2021-11-12 23:22:21,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107331519] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:22:21,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069125183] [2021-11-12 23:22:21,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:21,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:22:21,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:22:21,807 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:22:21,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-12 23:22:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:21,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-12 23:22:21,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:22,555 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:22:22,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 82 [2021-11-12 23:22:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:22:22,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:22:22,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 109 [2021-11-12 23:22:24,183 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:22:24,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2021-11-12 23:22:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:22:24,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069125183] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:22:24,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1918515027] [2021-11-12 23:22:24,372 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:22:24,372 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:22:24,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 42 [2021-11-12 23:22:24,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550318167] [2021-11-12 23:22:24,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:22:24,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-12 23:22:24,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:22:24,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-12 23:22:24,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1592, Unknown=0, NotChecked=0, Total=1806 [2021-11-12 23:22:24,374 INFO L87 Difference]: Start difference. First operand 8124 states and 29354 transitions. Second operand has 43 states, 42 states have (on average 2.857142857142857) internal successors, (120), 43 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:48,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:22:48,829 INFO L93 Difference]: Finished difference Result 46167 states and 168486 transitions. [2021-11-12 23:22:48,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-11-12 23:22:48,829 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.857142857142857) internal successors, (120), 43 states have internal predecessors, (120), 0 states have call successors, (0), 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 52 [2021-11-12 23:22:48,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:22:48,977 INFO L225 Difference]: With dead ends: 46167 [2021-11-12 23:22:48,977 INFO L226 Difference]: Without dead ends: 44400 [2021-11-12 23:22:48,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 112 SyntacticMatches, 14 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9746 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=3705, Invalid=24017, Unknown=0, NotChecked=0, Total=27722 [2021-11-12 23:22:48,980 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1360 mSDsluCounter, 3451 mSDsCounter, 0 mSdLazyCounter, 10584 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7714.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.50ms SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 10584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3169 IncrementalHoareTripleChecker+Unchecked, 9079.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:22:48,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1360 Valid, 0 Invalid, 14082 Unknown, 0 Unchecked, 41.50ms Time], IncrementalHoareTripleChecker [329 Valid, 10584 Invalid, 0 Unknown, 3169 Unchecked, 9079.74ms Time] [2021-11-12 23:22:49,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44400 states. [2021-11-12 23:22:49,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44400 to 11396. [2021-11-12 23:22:49,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11396 states, 11395 states have (on average 3.6614304519526106) internal successors, (41722), 11395 states have internal predecessors, (41722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11396 states to 11396 states and 41722 transitions. [2021-11-12 23:22:49,793 INFO L78 Accepts]: Start accepts. Automaton has 11396 states and 41722 transitions. Word has length 52 [2021-11-12 23:22:49,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:22:49,794 INFO L470 AbstractCegarLoop]: Abstraction has 11396 states and 41722 transitions. [2021-11-12 23:22:49,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.857142857142857) internal successors, (120), 43 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:22:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 11396 states and 41722 transitions. [2021-11-12 23:22:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:22:49,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:49,815 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:22:49,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-11-12 23:22:50,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:22:50,015 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:22:50,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:50,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2111284622, now seen corresponding path program 7 times [2021-11-12 23:22:50,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:22:50,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601266780] [2021-11-12 23:22:50,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:50,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:22:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:50,953 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:22:50,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:22:50,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601266780] [2021-11-12 23:22:50,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601266780] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:22:50,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124788596] [2021-11-12 23:22:50,954 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-12 23:22:50,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:22:50,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:22:50,955 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:22:50,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-12 23:22:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:51,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-12 23:22:51,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:51,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 79 [2021-11-12 23:22:51,896 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-12 23:22:51,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-11-12 23:22:52,128 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:22:52,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 53 [2021-11-12 23:22:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:22:52,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:05,225 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thread1Thread1of1ForFork2_#t~ite12#1| 0) (< c_~i_13~0 4) (forall ((|v_ULTIMATE.start_main_#t~pre112#1_196| Int) (|ULTIMATE.start_main_~#t3~0#1.offset| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_196|)) c_~ends_with_2~0.base) (+ c_~i_13~0 c_~ends_with_2~0.offset)) 256) 0)) (or (forall ((|v_ULTIMATE.start_main_#t~pre112#1_196| Int) (|ULTIMATE.start_main_~#t3~0#1.offset| Int) (~ends_with_6~0.base Int) (~ends_with_6~0.offset Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |v_ULTIMATE.start_main_#t~pre112#1_196|)) ~ends_with_6~0.base) (+ c_~i_13~0 ~ends_with_6~0.offset)) 256) 0)) (not (= (+ c_~i_13~0 1000) 0)))) is different from false [2021-11-12 23:23:05,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 125 [2021-11-12 23:23:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 1 not checked. [2021-11-12 23:23:06,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124788596] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:23:06,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1633291473] [2021-11-12 23:23:06,389 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:23:06,389 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:23:06,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 38 [2021-11-12 23:23:06,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196798701] [2021-11-12 23:23:06,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:23:06,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-12 23:23:06,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:23:06,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-12 23:23:06,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1273, Unknown=9, NotChecked=74, Total=1560 [2021-11-12 23:23:06,391 INFO L87 Difference]: Start difference. First operand 11396 states and 41722 transitions. Second operand has 40 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:08,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:08,859 INFO L93 Difference]: Finished difference Result 15155 states and 55541 transitions. [2021-11-12 23:23:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:23:08,860 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 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 52 [2021-11-12 23:23:08,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:08,904 INFO L225 Difference]: With dead ends: 15155 [2021-11-12 23:23:08,904 INFO L226 Difference]: Without dead ends: 14874 [2021-11-12 23:23:08,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 84 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=411, Invalid=2134, Unknown=9, NotChecked=98, Total=2652 [2021-11-12 23:23:08,905 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 574 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 2659 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1603.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.51ms SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 591 IncrementalHoareTripleChecker+Unchecked, 1903.99ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:08,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [574 Valid, 0 Invalid, 3324 Unknown, 0 Unchecked, 10.51ms Time], IncrementalHoareTripleChecker [74 Valid, 2659 Invalid, 0 Unknown, 591 Unchecked, 1903.99ms Time] [2021-11-12 23:23:08,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14874 states. [2021-11-12 23:23:09,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14874 to 10223. [2021-11-12 23:23:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10223 states, 10222 states have (on average 3.649481510467619) internal successors, (37305), 10222 states have internal predecessors, (37305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10223 states to 10223 states and 37305 transitions. [2021-11-12 23:23:09,189 INFO L78 Accepts]: Start accepts. Automaton has 10223 states and 37305 transitions. Word has length 52 [2021-11-12 23:23:09,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:09,190 INFO L470 AbstractCegarLoop]: Abstraction has 10223 states and 37305 transitions. [2021-11-12 23:23:09,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 3.076923076923077) internal successors, (120), 39 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 10223 states and 37305 transitions. [2021-11-12 23:23:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:23:09,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:09,208 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:09,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:09,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-11-12 23:23:09,418 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:23:09,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:09,419 INFO L85 PathProgramCache]: Analyzing trace with hash -13612192, now seen corresponding path program 2 times [2021-11-12 23:23:09,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:23:09,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177046788] [2021-11-12 23:23:09,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:09,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:23:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:23:10,364 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:23:10,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177046788] [2021-11-12 23:23:10,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177046788] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:23:10,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485806905] [2021-11-12 23:23:10,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:23:10,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:23:10,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:10,366 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:23:10,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-12 23:23:10,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-12 23:23:10,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:23:10,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-12 23:23:10,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:10,911 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-12 23:23:10,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-12 23:23:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:23:11,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:12,451 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre110#1_178| Int) (|ULTIMATE.start_main_~#t2~0#1.offset| Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |v_ULTIMATE.start_main_#t~pre110#1_178|)) c_~ends_with_2~0.base) c_~ends_with_2~0.offset) 256) 0)) is different from false [2021-11-12 23:23:12,519 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:12,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 43 [2021-11-12 23:23:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:23:12,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485806905] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:23:12,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [175706966] [2021-11-12 23:23:12,668 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:23:12,669 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:23:12,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 22 [2021-11-12 23:23:12,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397094868] [2021-11-12 23:23:12,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:23:12,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-12 23:23:12,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:23:12,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-12 23:23:12,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=359, Unknown=1, NotChecked=40, Total=506 [2021-11-12 23:23:12,671 INFO L87 Difference]: Start difference. First operand 10223 states and 37305 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:15,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:15,061 INFO L93 Difference]: Finished difference Result 24927 states and 91198 transitions. [2021-11-12 23:23:15,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-12 23:23:15,062 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 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 52 [2021-11-12 23:23:15,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:15,143 INFO L225 Difference]: With dead ends: 24927 [2021-11-12 23:23:15,143 INFO L226 Difference]: Without dead ends: 24927 [2021-11-12 23:23:15,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 95 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=281, Invalid=844, Unknown=1, NotChecked=64, Total=1190 [2021-11-12 23:23:15,144 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 451 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1512.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.34ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 257 IncrementalHoareTripleChecker+Unchecked, 1789.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:15,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [451 Valid, 0 Invalid, 2464 Unknown, 0 Unchecked, 8.34ms Time], IncrementalHoareTripleChecker [38 Valid, 2169 Invalid, 0 Unknown, 257 Unchecked, 1789.00ms Time] [2021-11-12 23:23:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24927 states. [2021-11-12 23:23:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24927 to 11051. [2021-11-12 23:23:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11051 states, 11050 states have (on average 3.6323981900452487) internal successors, (40138), 11050 states have internal predecessors, (40138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11051 states to 11051 states and 40138 transitions. [2021-11-12 23:23:15,634 INFO L78 Accepts]: Start accepts. Automaton has 11051 states and 40138 transitions. Word has length 52 [2021-11-12 23:23:15,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:15,635 INFO L470 AbstractCegarLoop]: Abstraction has 11051 states and 40138 transitions. [2021-11-12 23:23:15,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 11051 states and 40138 transitions. [2021-11-12 23:23:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:23:15,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:15,651 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:15,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:15,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-11-12 23:23:15,852 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:23:15,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:15,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1883082256, now seen corresponding path program 8 times [2021-11-12 23:23:15,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:23:15,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607275311] [2021-11-12 23:23:15,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:15,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:23:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:23:16,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:23:16,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607275311] [2021-11-12 23:23:16,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607275311] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:23:16,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205732162] [2021-11-12 23:23:16,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:23:16,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:23:16,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:16,565 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:23:16,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-12 23:23:16,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-12 23:23:16,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:23:16,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-12 23:23:16,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:17,399 INFO L354 Elim1Store]: treesize reduction 66, result has 30.5 percent of original size [2021-11-12 23:23:17,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 57 [2021-11-12 23:23:17,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-11-12 23:23:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:23:18,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:30,357 WARN L227 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 56 DAG size of output: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:23:35,479 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:35,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 210 treesize of output 210 [2021-11-12 23:23:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:23:37,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205732162] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:23:37,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [727309751] [2021-11-12 23:23:37,849 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:23:37,853 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:23:37,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 13] total 37 [2021-11-12 23:23:37,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015448779] [2021-11-12 23:23:37,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:23:37,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-12 23:23:37,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:23:37,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-12 23:23:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1276, Unknown=5, NotChecked=0, Total=1482 [2021-11-12 23:23:37,870 INFO L87 Difference]: Start difference. First operand 11051 states and 40138 transitions. Second operand has 39 states, 38 states have (on average 3.026315789473684) internal successors, (115), 38 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:49,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:49,517 INFO L93 Difference]: Finished difference Result 37828 states and 140913 transitions. [2021-11-12 23:23:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-12 23:23:49,518 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 3.026315789473684) internal successors, (115), 38 states have internal predecessors, (115), 0 states have call successors, (0), 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 52 [2021-11-12 23:23:49,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:49,640 INFO L225 Difference]: With dead ends: 37828 [2021-11-12 23:23:49,640 INFO L226 Difference]: Without dead ends: 36837 [2021-11-12 23:23:49,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 88 SyntacticMatches, 32 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 3717 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=1564, Invalid=6440, Unknown=6, NotChecked=0, Total=8010 [2021-11-12 23:23:49,641 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1269 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 4083 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3519.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.04ms SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 4083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2624 IncrementalHoareTripleChecker+Unchecked, 4128.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:49,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1269 Valid, 0 Invalid, 6913 Unknown, 0 Unchecked, 23.04ms Time], IncrementalHoareTripleChecker [206 Valid, 4083 Invalid, 0 Unknown, 2624 Unchecked, 4128.93ms Time] [2021-11-12 23:23:49,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36837 states. [2021-11-12 23:23:50,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36837 to 12441. [2021-11-12 23:23:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12441 states, 12440 states have (on average 3.6532154340836014) internal successors, (45446), 12440 states have internal predecessors, (45446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12441 states to 12441 states and 45446 transitions. [2021-11-12 23:23:50,299 INFO L78 Accepts]: Start accepts. Automaton has 12441 states and 45446 transitions. Word has length 52 [2021-11-12 23:23:50,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:50,299 INFO L470 AbstractCegarLoop]: Abstraction has 12441 states and 45446 transitions. [2021-11-12 23:23:50,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 3.026315789473684) internal successors, (115), 38 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 12441 states and 45446 transitions. [2021-11-12 23:23:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-12 23:23:50,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:50,320 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:50,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:50,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-11-12 23:23:50,521 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:23:50,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:50,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2003707510, now seen corresponding path program 9 times [2021-11-12 23:23:50,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:23:50,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039892827] [2021-11-12 23:23:50,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:50,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:23:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:23:51,580 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:23:51,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039892827] [2021-11-12 23:23:51,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039892827] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:23:51,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531555117] [2021-11-12 23:23:51,581 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 23:23:51,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:23:51,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:51,581 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:23:51,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-12 23:23:51,941 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-12 23:23:51,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:23:51,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-12 23:23:51,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:52,431 INFO L354 Elim1Store]: treesize reduction 66, result has 30.5 percent of original size [2021-11-12 23:23:52,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 57 [2021-11-12 23:23:52,651 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-12 23:23:52,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2021-11-12 23:23:52,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-11-12 23:23:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:23:52,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:24:07,453 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:24:07,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 667 treesize of output 655 [2021-11-12 23:24:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-12 23:24:10,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531555117] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:24:10,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [301695587] [2021-11-12 23:24:10,146 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgJoinThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:24:10,147 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:24:10,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 41 [2021-11-12 23:24:10,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15400020] [2021-11-12 23:24:10,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:24:10,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-12 23:24:10,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:24:10,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-12 23:24:10,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1599, Unknown=4, NotChecked=0, Total=1806 [2021-11-12 23:24:10,148 INFO L87 Difference]: Start difference. First operand 12441 states and 45446 transitions. Second operand has 43 states, 42 states have (on average 2.8095238095238093) internal successors, (118), 42 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:24:15,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:24:15,975 INFO L93 Difference]: Finished difference Result 19776 states and 72896 transitions. [2021-11-12 23:24:15,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-12 23:24:15,976 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.8095238095238093) internal successors, (118), 42 states have internal predecessors, (118), 0 states have call successors, (0), 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 52 [2021-11-12 23:24:15,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:24:16,025 INFO L225 Difference]: With dead ends: 19776 [2021-11-12 23:24:16,026 INFO L226 Difference]: Without dead ends: 19119 [2021-11-12 23:24:16,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 83 SyntacticMatches, 7 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 981 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=586, Invalid=2950, Unknown=4, NotChecked=0, Total=3540 [2021-11-12 23:24:16,027 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1300 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 3454 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2606.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.20ms SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 3454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1562 IncrementalHoareTripleChecker+Unchecked, 3044.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:24:16,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1300 Valid, 0 Invalid, 5158 Unknown, 0 Unchecked, 19.20ms Time], IncrementalHoareTripleChecker [142 Valid, 3454 Invalid, 0 Unknown, 1562 Unchecked, 3044.94ms Time] [2021-11-12 23:24:16,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19119 states. [2021-11-12 23:24:16,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19119 to 11727. [2021-11-12 23:24:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11727 states, 11726 states have (on average 3.6310762408323383) internal successors, (42578), 11726 states have internal predecessors, (42578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:24:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11727 states to 11727 states and 42578 transitions. [2021-11-12 23:24:16,307 INFO L78 Accepts]: Start accepts. Automaton has 11727 states and 42578 transitions. Word has length 52 [2021-11-12 23:24:16,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:24:16,307 INFO L470 AbstractCegarLoop]: Abstraction has 11727 states and 42578 transitions. [2021-11-12 23:24:16,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.8095238095238093) internal successors, (118), 42 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:24:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 11727 states and 42578 transitions. [2021-11-12 23:24:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-12 23:24:16,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:16,323 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:24:16,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:24:16,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-11-12 23:24:16,524 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-12 23:24:16,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:16,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1247594991, now seen corresponding path program 1 times [2021-11-12 23:24:16,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:24:16,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707456119] [2021-11-12 23:24:16,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:16,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:24:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:24:19,090 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:24:19,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707456119] [2021-11-12 23:24:19,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707456119] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:24:19,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430019777] [2021-11-12 23:24:19,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:19,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:24:19,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:24:19,091 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:24:19,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c5bc553-ddbb-44c5-a17e-cba66e76f2ff/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-12 23:24:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:19,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-12 23:24:19,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:24:22,499 INFO L354 Elim1Store]: treesize reduction 88, result has 25.4 percent of original size [2021-11-12 23:24:22,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 87 [2021-11-12 23:24:22,982 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:24:22,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 479 treesize of output 411 [2021-11-12 23:24:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-12 23:24:24,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:24:42,142 WARN L227 SmtUtils]: Spent 9.58s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:25:30,482 WARN L227 SmtUtils]: Spent 47.85s on a formula simplification. DAG size of input: 71 DAG size of output: 70 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:26:10,331 WARN L227 SmtUtils]: Spent 39.14s on a formula simplification. DAG size of input: 84 DAG size of output: 81 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:27:17,559 WARN L227 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 108 DAG size of output: 106 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:28:03,379 WARN L227 SmtUtils]: Spent 44.84s on a formula simplification. DAG size of input: 96 DAG size of output: 94 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:28:39,660 WARN L227 SmtUtils]: Spent 34.01s on a formula simplification. DAG size of input: 98 DAG size of output: 81 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:29:09,246 WARN L227 SmtUtils]: Spent 26.85s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)