./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-bakery-4.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_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/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_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/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_c0655eba-8b5b-418e-ba64-2a682bdfb958/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 39dcc47a23129180b44ef3e235976e9c499f5290fa3f0e6dd106879ae94f5ae2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:49:13,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:49:13,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:49:13,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:49:13,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:49:13,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:49:13,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:49:13,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:49:13,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:49:13,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:49:13,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:49:13,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:49:13,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:49:13,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:49:13,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:49:13,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:49:14,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:49:14,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:49:14,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:49:14,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:49:14,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:49:14,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:49:14,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:49:14,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:49:14,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:49:14,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:49:14,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:49:14,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:49:14,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:49:14,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:49:14,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:49:14,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:49:14,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:49:14,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:49:14,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:49:14,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:49:14,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:49:14,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:49:14,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:49:14,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:49:14,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:49:14,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:49:14,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:49:14,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:49:14,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:49:14,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:49:14,090 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:49:14,090 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:49:14,090 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:49:14,090 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:49:14,091 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:49:14,091 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:49:14,092 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:49:14,092 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:49:14,092 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:49:14,093 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:49:14,093 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:49:14,093 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:49:14,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:49:14,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:49:14,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:49:14,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:49:14,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:49:14,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:49:14,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:49:14,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:49:14,095 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:49:14,096 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:49:14,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:49:14,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:49:14,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:49:14,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:49:14,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:49:14,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:49:14,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:49:14,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:49:14,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:49:14,099 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:49:14,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:49:14,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:49:14,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:49:14,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:49:14,100 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_c0655eba-8b5b-418e-ba64-2a682bdfb958/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39dcc47a23129180b44ef3e235976e9c499f5290fa3f0e6dd106879ae94f5ae2 [2021-11-12 23:49:14,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:49:14,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:49:14,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:49:14,427 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:49:14,428 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:49:14,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2021-11-12 23:49:14,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/data/ff1aa80b4/06f01b54dd004e1d88ec9ba326c642cb/FLAG9f9a537f6 [2021-11-12 23:49:15,083 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:49:15,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2021-11-12 23:49:15,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/data/ff1aa80b4/06f01b54dd004e1d88ec9ba326c642cb/FLAG9f9a537f6 [2021-11-12 23:49:15,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/data/ff1aa80b4/06f01b54dd004e1d88ec9ba326c642cb [2021-11-12 23:49:15,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:49:15,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:49:15,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:49:15,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:49:15,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:49:15,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c8d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15, skipping insertion in model container [2021-11-12 23:49:15,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:49:15,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:49:15,697 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_c0655eba-8b5b-418e-ba64-2a682bdfb958/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c[7978,7991] [2021-11-12 23:49:15,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:49:15,709 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:49:15,761 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_c0655eba-8b5b-418e-ba64-2a682bdfb958/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c[7978,7991] [2021-11-12 23:49:15,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:49:15,777 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:49:15,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15 WrapperNode [2021-11-12 23:49:15,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:49:15,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:49:15,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:49:15,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:49:15,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:49:15,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:49:15,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:49:15,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:49:15,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:49:15,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:49:15,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:49:15,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:49:15,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (1/1) ... [2021-11-12 23:49:15,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:49:15,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:49:15,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:49:15,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0655eba-8b5b-418e-ba64-2a682bdfb958/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:49:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-12 23:49:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-12 23:49:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-12 23:49:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-12 23:49:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-12 23:49:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-12 23:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-12 23:49:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-12 23:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-12 23:49:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-12 23:49:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:49:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:49:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:49:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:49:15,993 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 23:49:16,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:49:16,855 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:49:16,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:49:16 BoogieIcfgContainer [2021-11-12 23:49:16,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:49:16,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:49:16,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:49:16,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:49:16,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:49:15" (1/3) ... [2021-11-12 23:49:16,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d46fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:49:16, skipping insertion in model container [2021-11-12 23:49:16,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:49:15" (2/3) ... [2021-11-12 23:49:16,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d46fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:49:16, skipping insertion in model container [2021-11-12 23:49:16,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:49:16" (3/3) ... [2021-11-12 23:49:16,867 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-bakery-4.wvr.c [2021-11-12 23:49:16,873 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:49:16,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:49:16,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:49:16,873 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:49:16,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,933 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,933 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,935 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,936 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,937 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,938 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,938 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,938 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,938 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,939 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,940 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,941 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,942 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,942 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,943 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,944 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,945 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,946 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,947 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,948 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,949 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,950 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,950 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,950 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,951 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,951 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,952 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,953 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,954 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,956 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,958 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,959 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,960 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,961 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,981 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,986 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,986 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,986 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,986 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,987 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,987 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,987 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,987 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,987 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,988 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,988 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,988 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,988 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,988 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,988 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,994 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,994 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,994 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,994 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,994 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,995 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,995 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,995 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:16,995 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,008 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,009 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,009 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,009 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,009 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,009 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,009 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,010 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,012 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,014 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,014 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,014 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,014 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,015 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,015 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,015 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,015 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:49:17,023 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-12 23:49:17,077 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:49:17,088 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 23:49:17,088 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-12 23:49:17,112 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:49:17,126 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 202 transitions, 436 flow [2021-11-12 23:49:17,129 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 202 transitions, 436 flow [2021-11-12 23:49:17,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 202 transitions, 436 flow [2021-11-12 23:49:17,229 INFO L129 PetriNetUnfolder]: 2/198 cut-off events. [2021-11-12 23:49:17,230 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-12 23:49:17,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 198 events. 2/198 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 205 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2021-11-12 23:49:17,254 INFO L116 LiptonReduction]: Number of co-enabled transitions 5712 [2021-11-12 23:49:25,028 INFO L131 LiptonReduction]: Checked pairs total: 48515 [2021-11-12 23:49:25,028 INFO L133 LiptonReduction]: Total number of compositions: 135 [2021-11-12 23:49:25,037 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 74 transitions, 180 flow [2021-11-12 23:49:28,706 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 88652 states, 88651 states have (on average 4.1476802292134325) internal successors, (367696), 88651 states have internal predecessors, (367696), 0 states have call successors, (0), 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 23:49:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 88652 states, 88651 states have (on average 4.1476802292134325) internal successors, (367696), 88651 states have internal predecessors, (367696), 0 states have call successors, (0), 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 23:49:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-12 23:49:30,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:30,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:49:30,064 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:49:30,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:30,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1876583541, now seen corresponding path program 1 times [2021-11-12 23:49:30,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:49:30,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786159077] [2021-11-12 23:49:30,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:30,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:49:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:31,122 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 23:49:31,123 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:49:31,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786159077] [2021-11-12 23:49:31,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786159077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:31,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:31,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-12 23:49:31,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056452416] [2021-11-12 23:49:31,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:31,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:49:31,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:49:31,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:49:31,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:49:31,305 INFO L87 Difference]: Start difference. First operand has 88652 states, 88651 states have (on average 4.1476802292134325) internal successors, (367696), 88651 states have internal predecessors, (367696), 0 states have call successors, (0), 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 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 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 23:49:34,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:34,983 INFO L93 Difference]: Finished difference Result 109845 states and 439897 transitions. [2021-11-12 23:49:34,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:49:34,985 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2021-11-12 23:49:34,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:36,366 INFO L225 Difference]: With dead ends: 109845 [2021-11-12 23:49:36,367 INFO L226 Difference]: Without dead ends: 109496 [2021-11-12 23:49:36,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:49:36,372 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 449 mSDsluCounter, 1833 mSDsCounter, 0 mSdLazyCounter, 2346 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1237.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.55ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1582.38ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:36,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 34 Invalid, 2353 Unknown, 0 Unchecked, 18.55ms Time], IncrementalHoareTripleChecker [7 Valid, 2346 Invalid, 0 Unknown, 0 Unchecked, 1582.38ms Time] [2021-11-12 23:49:36,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109496 states. [2021-11-12 23:49:40,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109496 to 91094. [2021-11-12 23:49:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91094 states, 91093 states have (on average 4.1323702150549435) internal successors, (376430), 91093 states have internal predecessors, (376430), 0 states have call successors, (0), 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 23:49:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91094 states to 91094 states and 376430 transitions. [2021-11-12 23:49:42,476 INFO L78 Accepts]: Start accepts. Automaton has 91094 states and 376430 transitions. Word has length 69 [2021-11-12 23:49:42,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:42,477 INFO L470 AbstractCegarLoop]: Abstraction has 91094 states and 376430 transitions. [2021-11-12 23:49:42,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 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 23:49:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 91094 states and 376430 transitions. [2021-11-12 23:49:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-12 23:49:42,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:42,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:49:42,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:49:42,847 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:49:42,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:42,848 INFO L85 PathProgramCache]: Analyzing trace with hash 379949197, now seen corresponding path program 2 times [2021-11-12 23:49:42,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:49:42,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990851365] [2021-11-12 23:49:42,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:42,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:49:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:43,885 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 23:49:43,886 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:49:43,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990851365] [2021-11-12 23:49:43,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990851365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:43,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:43,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-12 23:49:43,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853083332] [2021-11-12 23:49:43,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:43,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:49:43,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:49:43,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:49:43,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:49:43,889 INFO L87 Difference]: Start difference. First operand 91094 states and 376430 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 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 23:49:46,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:46,417 INFO L93 Difference]: Finished difference Result 157078 states and 645998 transitions. [2021-11-12 23:49:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:49:46,418 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2021-11-12 23:49:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:48,080 INFO L225 Difference]: With dead ends: 157078 [2021-11-12 23:49:48,080 INFO L226 Difference]: Without dead ends: 156134 [2021-11-12 23:49:48,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:49:48,082 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 261 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 644.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.80ms SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 799.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:48,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 168 Invalid, 1363 Unknown, 0 Unchecked, 9.80ms Time], IncrementalHoareTripleChecker [62 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 799.52ms Time] [2021-11-12 23:49:48,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156134 states. [2021-11-12 23:49:52,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156134 to 127146. [2021-11-12 23:49:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127146 states, 127145 states have (on average 4.140744818907547) internal successors, (526475), 127145 states have internal predecessors, (526475), 0 states have call successors, (0), 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 23:49:54,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127146 states to 127146 states and 526475 transitions. [2021-11-12 23:49:54,580 INFO L78 Accepts]: Start accepts. Automaton has 127146 states and 526475 transitions. Word has length 69 [2021-11-12 23:49:54,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:49:54,582 INFO L470 AbstractCegarLoop]: Abstraction has 127146 states and 526475 transitions. [2021-11-12 23:49:54,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 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 23:49:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 127146 states and 526475 transitions. [2021-11-12 23:49:55,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-12 23:49:55,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:49:55,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:49:55,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:49:55,070 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:49:55,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:49:55,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1014698419, now seen corresponding path program 3 times [2021-11-12 23:49:55,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:49:55,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127304885] [2021-11-12 23:49:55,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:55,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:49:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:55,199 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 23:49:55,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:49:55,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127304885] [2021-11-12 23:49:55,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127304885] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:49:55,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:49:55,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:49:55,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131216204] [2021-11-12 23:49:55,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:49:55,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:49:55,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:49:55,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:49:55,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:49:55,203 INFO L87 Difference]: Start difference. First operand 127146 states and 526475 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 23:49:56,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:56,834 INFO L93 Difference]: Finished difference Result 122428 states and 500896 transitions. [2021-11-12 23:49:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:49:56,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2021-11-12 23:49:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:57,555 INFO L225 Difference]: With dead ends: 122428 [2021-11-12 23:49:57,555 INFO L226 Difference]: Without dead ends: 122428 [2021-11-12 23:49:57,556 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 23:49:57,557 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 40 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.90ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.18ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:57,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 22 Invalid, 158 Unknown, 0 Unchecked, 0.90ms Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 111.18ms Time] [2021-11-12 23:49:57,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122428 states. [2021-11-12 23:50:02,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122428 to 121880. [2021-11-12 23:50:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121880 states, 121879 states have (on average 4.092952846675802) internal successors, (498845), 121879 states have internal predecessors, (498845), 0 states have call successors, (0), 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 23:50:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121880 states to 121880 states and 498845 transitions. [2021-11-12 23:50:03,361 INFO L78 Accepts]: Start accepts. Automaton has 121880 states and 498845 transitions. Word has length 69 [2021-11-12 23:50:03,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:50:03,363 INFO L470 AbstractCegarLoop]: Abstraction has 121880 states and 498845 transitions. [2021-11-12 23:50:03,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 23:50:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 121880 states and 498845 transitions. [2021-11-12 23:50:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-12 23:50:04,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:50:04,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:50:04,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-12 23:50:04,584 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:50:04,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:50:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1360288621, now seen corresponding path program 4 times [2021-11-12 23:50:04,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:50:04,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219096201] [2021-11-12 23:50:04,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:50:04,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:50:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:50:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:50:04,947 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:50:04,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219096201] [2021-11-12 23:50:04,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219096201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:50:04,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:50:04,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-12 23:50:04,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627931527] [2021-11-12 23:50:04,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:50:04,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:50:04,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:50:04,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:50:04,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:50:04,958 INFO L87 Difference]: Start difference. First operand 121880 states and 498845 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 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 23:50:07,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:50:07,742 INFO L93 Difference]: Finished difference Result 144649 states and 575938 transitions. [2021-11-12 23:50:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:50:07,743 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2021-11-12 23:50:07,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:50:08,482 INFO L225 Difference]: With dead ends: 144649 [2021-11-12 23:50:08,482 INFO L226 Difference]: Without dead ends: 144212 [2021-11-12 23:50:08,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:50:08,483 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 469 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 894.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.58ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1142.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:50:08,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [469 Valid, 35 Invalid, 2340 Unknown, 0 Unchecked, 12.58ms Time], IncrementalHoareTripleChecker [6 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 1142.52ms Time] [2021-11-12 23:50:08,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144212 states.