./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i --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_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/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_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/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_44b099c0-79d1-4880-a740-6e99c955246c/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 f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:35:16,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:35:16,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:35:16,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:35:16,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:35:16,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:35:17,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:35:17,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:35:17,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:35:17,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:35:17,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:35:17,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:35:17,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:35:17,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:35:17,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:35:17,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:35:17,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:35:17,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:35:17,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:35:17,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:35:17,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:35:17,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:35:17,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:35:17,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:35:17,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:35:17,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:35:17,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:35:17,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:35:17,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:35:17,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:35:17,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:35:17,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:35:17,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:35:17,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:35:17,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:35:17,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:35:17,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:35:17,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:35:17,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:35:17,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:35:17,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:35:17,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:35:17,103 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:35:17,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:35:17,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:35:17,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:35:17,105 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:35:17,106 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:35:17,106 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:35:17,106 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:35:17,106 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:35:17,106 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:35:17,107 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:35:17,108 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:35:17,108 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:35:17,108 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:35:17,108 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:35:17,109 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:35:17,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:35:17,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:35:17,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:35:17,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:35:17,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:35:17,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:35:17,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:35:17,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:35:17,111 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:35:17,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:35:17,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:35:17,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:35:17,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:35:17,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:35:17,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:35:17,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:35:17,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:35:17,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:35:17,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:35:17,114 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:35:17,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:35:17,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:35:17,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:35:17,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:35:17,115 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_44b099c0-79d1-4880-a740-6e99c955246c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 [2021-11-12 23:35:17,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:35:17,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:35:17,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:35:17,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:35:17,490 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:35:17,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2021-11-12 23:35:17,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data/c03dc302a/6cbfa2a5578e450ea5292b6d46beebb5/FLAGa826c61a0 [2021-11-12 23:35:18,177 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:35:18,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2021-11-12 23:35:18,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data/c03dc302a/6cbfa2a5578e450ea5292b6d46beebb5/FLAGa826c61a0 [2021-11-12 23:35:18,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data/c03dc302a/6cbfa2a5578e450ea5292b6d46beebb5 [2021-11-12 23:35:18,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:35:18,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:35:18,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:35:18,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:35:18,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:35:18,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:35:18" (1/1) ... [2021-11-12 23:35:18,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16162158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:18, skipping insertion in model container [2021-11-12 23:35:18,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:35:18" (1/1) ... [2021-11-12 23:35:18,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:35:18,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:35:18,729 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_44b099c0-79d1-4880-a740-6e99c955246c/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2021-11-12 23:35:18,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:35:18,930 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:35:18,942 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_44b099c0-79d1-4880-a740-6e99c955246c/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2021-11-12 23:35:18,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:35:19,045 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:35:19,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19 WrapperNode [2021-11-12 23:35:19,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:35:19,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:35:19,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:35:19,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:35:19,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:35:19,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:35:19,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:35:19,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:35:19,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:35:19,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:35:19,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:35:19,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:35:19,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (1/1) ... [2021-11-12 23:35:19,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:35:19,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:35:19,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:35:19,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:35:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:35:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:35:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-12 23:35:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:35:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:35:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-12 23:35:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-12 23:35:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-12 23:35:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-12 23:35:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-12 23:35:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-12 23:35:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-12 23:35:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-12 23:35:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:35:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-12 23:35:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:35:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:35:19,251 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 23:35:20,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:35:20,496 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:35:20,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:35:20 BoogieIcfgContainer [2021-11-12 23:35:20,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:35:20,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:35:20,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:35:20,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:35:20,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:35:18" (1/3) ... [2021-11-12 23:35:20,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c58a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:35:20, skipping insertion in model container [2021-11-12 23:35:20,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:19" (2/3) ... [2021-11-12 23:35:20,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c58a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:35:20, skipping insertion in model container [2021-11-12 23:35:20,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:35:20" (3/3) ... [2021-11-12 23:35:20,508 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_rmo.i [2021-11-12 23:35:20,513 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:35:20,513 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:35:20,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:35:20,513 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:35:20,568 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,569 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,569 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,569 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,569 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,570 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,571 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,571 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,571 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,571 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,572 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,572 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,572 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,572 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,573 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,573 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,573 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,574 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,574 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,574 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,575 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,575 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,575 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,575 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,576 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,576 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,576 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,576 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,576 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,579 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,579 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,579 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,587 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,587 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,587 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,587 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,587 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,589 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,589 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,589 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,589 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,590 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,591 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,591 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,591 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,592 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,594 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,595 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,595 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,595 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,596 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,596 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,596 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,596 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,597 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,602 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,602 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,603 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,603 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,603 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,603 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,603 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,609 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,610 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,610 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,610 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,610 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,610 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,610 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,611 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,611 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,611 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,611 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,611 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,612 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,612 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,612 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,612 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,613 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,613 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,613 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,613 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,613 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,614 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,614 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,614 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,614 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,614 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,615 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,615 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,615 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,615 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,615 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,616 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,616 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,616 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,616 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,616 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,617 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,617 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,617 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,617 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,617 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,618 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,618 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,618 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,619 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,619 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,620 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,620 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,620 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,621 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,623 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,623 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,623 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,623 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,633 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,633 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,634 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,634 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,634 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,634 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,634 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,635 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,635 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,635 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,635 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,636 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,636 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,637 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,637 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,638 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,638 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,639 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,639 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,639 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,639 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,640 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,640 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,640 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,640 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,640 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,641 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,641 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,641 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,641 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,641 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,642 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,642 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,642 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,642 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,642 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,642 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,643 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,643 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,643 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,643 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,643 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,644 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,644 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,644 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,644 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,645 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,649 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:20,649 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:35:20,696 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:35:20,705 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 23:35:20,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-12 23:35:20,719 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:35:20,732 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 153 transitions, 326 flow [2021-11-12 23:35:20,735 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 153 transitions, 326 flow [2021-11-12 23:35:20,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 164 places, 153 transitions, 326 flow [2021-11-12 23:35:20,798 INFO L129 PetriNetUnfolder]: 2/149 cut-off events. [2021-11-12 23:35:20,798 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:35:20,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 149 events. 2/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2021-11-12 23:35:20,807 INFO L116 LiptonReduction]: Number of co-enabled transitions 2722 [2021-11-12 23:35:36,032 INFO L131 LiptonReduction]: Checked pairs total: 6348 [2021-11-12 23:35:36,033 INFO L133 LiptonReduction]: Total number of compositions: 136 [2021-11-12 23:35:36,040 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 30 transitions, 80 flow [2021-11-12 23:35:36,145 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1450 states, 1449 states have (on average 3.710144927536232) internal successors, (5376), 1449 states have internal predecessors, (5376), 0 states have call successors, (0), 0 states 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 23:35:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 1450 states, 1449 states have (on average 3.710144927536232) internal successors, (5376), 1449 states have internal predecessors, (5376), 0 states have call successors, (0), 0 states 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 23:35:36,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 23:35:36,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:36,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:36,165 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 23:35:36,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:36,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1513598245, now seen corresponding path program 1 times [2021-11-12 23:35:36,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:36,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305710728] [2021-11-12 23:35:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:36,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:36,651 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 23:35:36,652 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:36,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305710728] [2021-11-12 23:35:36,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305710728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:36,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:36,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-12 23:35:36,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718344829] [2021-11-12 23:35:36,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:36,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:35:36,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:36,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:35:36,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:35:36,694 INFO L87 Difference]: Start difference. First operand has 1450 states, 1449 states have (on average 3.710144927536232) internal successors, (5376), 1449 states have internal predecessors, (5376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:36,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:36,842 INFO L93 Difference]: Finished difference Result 1370 states and 5032 transitions. [2021-11-12 23:35:36,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:35:36,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-12 23:35:36,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:36,880 INFO L225 Difference]: With dead ends: 1370 [2021-11-12 23:35:36,881 INFO L226 Difference]: Without dead ends: 1370 [2021-11-12 23:35:36,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:35:36,885 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:36,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 8 Invalid, 36 Unknown, 0 Unchecked, 1.12ms Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 70.29ms Time] [2021-11-12 23:35:36,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2021-11-12 23:35:37,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1370. [2021-11-12 23:35:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1370 states, 1369 states have (on average 3.675675675675676) internal successors, (5032), 1369 states have internal predecessors, (5032), 0 states have call successors, (0), 0 states 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 23:35:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1370 states and 5032 transitions. [2021-11-12 23:35:37,031 INFO L78 Accepts]: Start accepts. Automaton has 1370 states and 5032 transitions. Word has length 11 [2021-11-12 23:35:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:37,032 INFO L470 AbstractCegarLoop]: Abstraction has 1370 states and 5032 transitions. [2021-11-12 23:35:37,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 5032 transitions. [2021-11-12 23:35:37,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-12 23:35:37,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:37,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:37,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:35:37,037 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 23:35:37,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash 323017993, now seen corresponding path program 1 times [2021-11-12 23:35:37,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:37,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387750458] [2021-11-12 23:35:37,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:37,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:37,229 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 23:35:37,262 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:37,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387750458] [2021-11-12 23:35:37,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387750458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:37,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:37,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-12 23:35:37,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642489846] [2021-11-12 23:35:37,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:37,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:35:37,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:37,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:35:37,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:35:37,267 INFO L87 Difference]: Start difference. First operand 1370 states and 5032 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:37,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:37,349 INFO L93 Difference]: Finished difference Result 1322 states and 4832 transitions. [2021-11-12 23:35:37,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:35:37,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-12 23:35:37,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:37,365 INFO L225 Difference]: With dead ends: 1322 [2021-11-12 23:35:37,365 INFO L226 Difference]: Without dead ends: 1322 [2021-11-12 23:35:37,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:35:37,369 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.15ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:37,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 8 Invalid, 32 Unknown, 0 Unchecked, 0.50ms Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 60.15ms Time] [2021-11-12 23:35:37,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2021-11-12 23:35:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1322. [2021-11-12 23:35:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1321 states have (on average 3.6578349735049205) internal successors, (4832), 1321 states have internal predecessors, (4832), 0 states have call successors, (0), 0 states 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 23:35:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 4832 transitions. [2021-11-12 23:35:37,438 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 4832 transitions. Word has length 12 [2021-11-12 23:35:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:37,439 INFO L470 AbstractCegarLoop]: Abstraction has 1322 states and 4832 transitions. [2021-11-12 23:35:37,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:37,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 4832 transitions. [2021-11-12 23:35:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:35:37,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:37,445 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:37,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:35:37,446 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 23:35:37,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1424291298, now seen corresponding path program 1 times [2021-11-12 23:35:37,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:37,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821669174] [2021-11-12 23:35:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:37,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:37,604 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 23:35:37,605 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:37,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821669174] [2021-11-12 23:35:37,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821669174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:37,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:37,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:35:37,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399316559] [2021-11-12 23:35:37,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:37,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:35:37,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:37,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:35:37,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:37,609 INFO L87 Difference]: Start difference. First operand 1322 states and 4832 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:37,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:37,724 INFO L93 Difference]: Finished difference Result 1610 states and 5744 transitions. [2021-11-12 23:35:37,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:37,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-12 23:35:37,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:37,735 INFO L225 Difference]: With dead ends: 1610 [2021-11-12 23:35:37,735 INFO L226 Difference]: Without dead ends: 842 [2021-11-12 23:35:37,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:37,737 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 41 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.43ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.54ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:37,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 10 Invalid, 47 Unknown, 0 Unchecked, 2.43ms Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 73.54ms Time] [2021-11-12 23:35:37,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-11-12 23:35:37,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2021-11-12 23:35:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 841 states have (on average 3.367419738406659) internal successors, (2832), 841 states have internal predecessors, (2832), 0 states have call successors, (0), 0 states 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 23:35:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 2832 transitions. [2021-11-12 23:35:37,779 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 2832 transitions. Word has length 13 [2021-11-12 23:35:37,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:37,780 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 2832 transitions. [2021-11-12 23:35:37,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2832 transitions. [2021-11-12 23:35:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 23:35:37,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:37,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:37,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-12 23:35:37,783 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 23:35:37,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:37,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1192569514, now seen corresponding path program 1 times [2021-11-12 23:35:37,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:37,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418723679] [2021-11-12 23:35:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:37,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:37,854 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 23:35:37,854 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:37,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418723679] [2021-11-12 23:35:37,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418723679] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:37,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:37,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:35:37,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313806216] [2021-11-12 23:35:37,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:37,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:35:37,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:37,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:35:37,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:37,857 INFO L87 Difference]: Start difference. First operand 842 states and 2832 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:37,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:37,994 INFO L93 Difference]: Finished difference Result 1070 states and 3476 transitions. [2021-11-12 23:35:37,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:37,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-12 23:35:37,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:38,004 INFO L225 Difference]: With dead ends: 1070 [2021-11-12 23:35:38,004 INFO L226 Difference]: Without dead ends: 518 [2021-11-12 23:35:38,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:38,009 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 44 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:38,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 11 Invalid, 56 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 81.42ms Time] [2021-11-12 23:35:38,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2021-11-12 23:35:38,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2021-11-12 23:35:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 517 states have (on average 3.0599613152804643) internal successors, (1582), 517 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states 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 23:35:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 1582 transitions. [2021-11-12 23:35:38,035 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 1582 transitions. Word has length 15 [2021-11-12 23:35:38,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:38,036 INFO L470 AbstractCegarLoop]: Abstraction has 518 states and 1582 transitions. [2021-11-12 23:35:38,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1582 transitions. [2021-11-12 23:35:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:35:38,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:38,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:38,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-12 23:35:38,039 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:35:38,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:38,040 INFO L85 PathProgramCache]: Analyzing trace with hash 646856868, now seen corresponding path program 1 times [2021-11-12 23:35:38,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:38,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525697468] [2021-11-12 23:35:38,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:38,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:38,134 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 23:35:38,134 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:38,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525697468] [2021-11-12 23:35:38,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525697468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:38,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:38,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:35:38,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047403753] [2021-11-12 23:35:38,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:38,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:35:38,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:38,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:35:38,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:38,141 INFO L87 Difference]: Start difference. First operand 518 states and 1582 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states 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 23:35:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:38,227 INFO L93 Difference]: Finished difference Result 658 states and 1974 transitions. [2021-11-12 23:35:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:38,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2021-11-12 23:35:38,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:38,230 INFO L225 Difference]: With dead ends: 658 [2021-11-12 23:35:38,230 INFO L226 Difference]: Without dead ends: 268 [2021-11-12 23:35:38,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:38,232 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 36 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.07ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:38,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 8 Invalid, 49 Unknown, 0 Unchecked, 1.07ms Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 66.94ms Time] [2021-11-12 23:35:38,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-12 23:35:38,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2021-11-12 23:35:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 2.756554307116105) internal successors, (736), 267 states have internal predecessors, (736), 0 states have call successors, (0), 0 states 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 23:35:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 736 transitions. [2021-11-12 23:35:38,244 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 736 transitions. Word has length 17 [2021-11-12 23:35:38,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:38,244 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 736 transitions. [2021-11-12 23:35:38,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states 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 23:35:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 736 transitions. [2021-11-12 23:35:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-12 23:35:38,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:38,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:38,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-12 23:35:38,247 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:35:38,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:38,247 INFO L85 PathProgramCache]: Analyzing trace with hash 75706002, now seen corresponding path program 1 times [2021-11-12 23:35:38,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:38,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014531014] [2021-11-12 23:35:38,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:38,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:38,480 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 23:35:38,480 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:38,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014531014] [2021-11-12 23:35:38,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014531014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:38,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:38,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:35:38,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750215936] [2021-11-12 23:35:38,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:38,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:35:38,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:38,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:35:38,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:38,483 INFO L87 Difference]: Start difference. First operand 268 states and 736 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:38,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:38,618 INFO L93 Difference]: Finished difference Result 260 states and 708 transitions. [2021-11-12 23:35:38,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:35:38,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-12 23:35:38,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:38,625 INFO L225 Difference]: With dead ends: 260 [2021-11-12 23:35:38,625 INFO L226 Difference]: Without dead ends: 260 [2021-11-12 23:35:38,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:35:38,626 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 32 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.07ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:38,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 3 Invalid, 78 Unknown, 0 Unchecked, 1.07ms Time], IncrementalHoareTripleChecker [14 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 100.36ms Time] [2021-11-12 23:35:38,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-11-12 23:35:38,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2021-11-12 23:35:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 2.7335907335907335) internal successors, (708), 259 states have internal predecessors, (708), 0 states have call successors, (0), 0 states 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 23:35:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 708 transitions. [2021-11-12 23:35:38,639 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 708 transitions. Word has length 18 [2021-11-12 23:35:38,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:38,639 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 708 transitions. [2021-11-12 23:35:38,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 708 transitions. [2021-11-12 23:35:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 23:35:38,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:38,641 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:38,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-12 23:35:38,642 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:35:38,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:38,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1948194420, now seen corresponding path program 1 times [2021-11-12 23:35:38,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:38,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4958817] [2021-11-12 23:35:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:38,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:38,757 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 23:35:38,758 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:38,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4958817] [2021-11-12 23:35:38,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4958817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:38,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:38,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:35:38,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977355066] [2021-11-12 23:35:38,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:38,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:35:38,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:38,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:35:38,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:35:38,760 INFO L87 Difference]: Start difference. First operand 260 states and 708 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:38,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:38,851 INFO L93 Difference]: Finished difference Result 292 states and 748 transitions. [2021-11-12 23:35:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:35:38,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-12 23:35:38,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:38,854 INFO L225 Difference]: With dead ends: 292 [2021-11-12 23:35:38,854 INFO L226 Difference]: Without dead ends: 238 [2021-11-12 23:35:38,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:38,855 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.78ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.20ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:38,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 18 Invalid, 78 Unknown, 0 Unchecked, 0.78ms Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 78.20ms Time] [2021-11-12 23:35:38,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-11-12 23:35:38,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-11-12 23:35:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 2.6244725738396624) internal successors, (622), 237 states have internal predecessors, (622), 0 states have call successors, (0), 0 states 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 23:35:38,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 622 transitions. [2021-11-12 23:35:38,866 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 622 transitions. Word has length 19 [2021-11-12 23:35:38,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:38,867 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 622 transitions. [2021-11-12 23:35:38,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 622 transitions. [2021-11-12 23:35:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-12 23:35:38,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:38,868 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:38,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-12 23:35:38,869 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:35:38,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:38,869 INFO L85 PathProgramCache]: Analyzing trace with hash -736822852, now seen corresponding path program 1 times [2021-11-12 23:35:38,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:38,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523147592] [2021-11-12 23:35:38,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:38,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:38,977 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 23:35:38,977 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:38,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523147592] [2021-11-12 23:35:38,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523147592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:38,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:38,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:35:38,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799293571] [2021-11-12 23:35:38,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:38,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:35:38,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:38,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:35:38,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:35:38,980 INFO L87 Difference]: Start difference. First operand 238 states and 622 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:39,089 INFO L93 Difference]: Finished difference Result 237 states and 565 transitions. [2021-11-12 23:35:39,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:35:39,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-12 23:35:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:39,091 INFO L225 Difference]: With dead ends: 237 [2021-11-12 23:35:39,091 INFO L226 Difference]: Without dead ends: 193 [2021-11-12 23:35:39,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:39,092 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 35 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:39,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 21 Invalid, 102 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [8 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 96.77ms Time] [2021-11-12 23:35:39,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-12 23:35:39,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2021-11-12 23:35:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 2.3854166666666665) internal successors, (458), 192 states have internal predecessors, (458), 0 states have call successors, (0), 0 states 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 23:35:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 458 transitions. [2021-11-12 23:35:39,101 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 458 transitions. Word has length 20 [2021-11-12 23:35:39,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:39,102 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 458 transitions. [2021-11-12 23:35:39,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 458 transitions. [2021-11-12 23:35:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-12 23:35:39,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:39,103 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] [2021-11-12 23:35:39,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-12 23:35:39,104 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:35:39,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:39,104 INFO L85 PathProgramCache]: Analyzing trace with hash 843176942, now seen corresponding path program 1 times [2021-11-12 23:35:39,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:39,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676916383] [2021-11-12 23:35:39,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:39,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:39,201 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 23:35:39,201 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:39,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676916383] [2021-11-12 23:35:39,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676916383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:39,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:39,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-12 23:35:39,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720392910] [2021-11-12 23:35:39,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:39,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:35:39,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:39,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:35:39,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:35:39,203 INFO L87 Difference]: Start difference. First operand 193 states and 458 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states 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 23:35:39,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:39,322 INFO L93 Difference]: Finished difference Result 175 states and 389 transitions. [2021-11-12 23:35:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:35:39,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2021-11-12 23:35:39,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:39,324 INFO L225 Difference]: With dead ends: 175 [2021-11-12 23:35:39,324 INFO L226 Difference]: Without dead ends: 150 [2021-11-12 23:35:39,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:35:39,325 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 53 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.23ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:39,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 19 Invalid, 111 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [12 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 106.23ms Time] [2021-11-12 23:35:39,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-11-12 23:35:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2021-11-12 23:35:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 149 states have (on average 2.2348993288590604) internal successors, (333), 149 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 23:35:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 333 transitions. [2021-11-12 23:35:39,332 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 333 transitions. Word has length 21 [2021-11-12 23:35:39,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:39,332 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 333 transitions. [2021-11-12 23:35:39,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states 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 23:35:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 333 transitions. [2021-11-12 23:35:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-12 23:35:39,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:39,333 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:39,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-12 23:35:39,334 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:35:39,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:39,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1978048890, now seen corresponding path program 1 times [2021-11-12 23:35:39,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:39,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35439426] [2021-11-12 23:35:39,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:39,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:39,443 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 23:35:39,443 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:39,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35439426] [2021-11-12 23:35:39,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35439426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:35:39,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:35:39,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-12 23:35:39,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873592699] [2021-11-12 23:35:39,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:35:39,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:35:39,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:39,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:35:39,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:35:39,445 INFO L87 Difference]: Start difference. First operand 150 states and 333 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:39,569 INFO L93 Difference]: Finished difference Result 139 states and 309 transitions. [2021-11-12 23:35:39,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:35:39,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-12 23:35:39,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:39,571 INFO L225 Difference]: With dead ends: 139 [2021-11-12 23:35:39,571 INFO L226 Difference]: Without dead ends: 131 [2021-11-12 23:35:39,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:35:39,572 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 60 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.23ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:39,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 17 Invalid, 121 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [19 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 110.23ms Time] [2021-11-12 23:35:39,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-12 23:35:39,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-12 23:35:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 2.269230769230769) internal successors, (295), 130 states have internal predecessors, (295), 0 states have call successors, (0), 0 states 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 23:35:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 295 transitions. [2021-11-12 23:35:39,578 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 295 transitions. Word has length 22 [2021-11-12 23:35:39,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:39,578 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 295 transitions. [2021-11-12 23:35:39,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 295 transitions. [2021-11-12 23:35:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-12 23:35:39,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:39,580 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] [2021-11-12 23:35:39,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-12 23:35:39,580 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:35:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:39,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1090525626, now seen corresponding path program 1 times [2021-11-12 23:35:39,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:39,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650538038] [2021-11-12 23:35:39,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:39,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:35:39,637 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:35:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:35:39,734 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:35:39,734 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:35:39,735 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-12 23:35:39,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2021-11-12 23:35:39,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2021-11-12 23:35:39,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2021-11-12 23:35:39,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2021-11-12 23:35:39,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-12 23:35:39,741 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:35:39,745 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:35:39,745 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:35:39,820 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:35:39,824 INFO L158 Benchmark]: Toolchain (without parser) took 21374.95ms. Allocated memory was 83.9MB in the beginning and 169.9MB in the end (delta: 86.0MB). Free memory was 60.6MB in the beginning and 52.8MB in the end (delta: 7.8MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2021-11-12 23:35:39,824 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:35:39,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.51ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 47.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:35:39,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.13ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 44.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:35:39,825 INFO L158 Benchmark]: Boogie Preprocessor took 65.62ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 42.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:35:39,826 INFO L158 Benchmark]: RCFGBuilder took 1327.73ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 42.4MB in the beginning and 68.6MB in the end (delta: -26.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2021-11-12 23:35:39,826 INFO L158 Benchmark]: TraceAbstraction took 19323.03ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 67.9MB in the beginning and 52.8MB in the end (delta: 15.1MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2021-11-12 23:35:39,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.51ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 47.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.13ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 44.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.62ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 42.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1327.73ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 42.4MB in the beginning and 68.6MB in the end (delta: -26.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * TraceAbstraction took 19323.03ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 67.9MB in the beginning and 52.8MB in the end (delta: 15.1MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.3s, 164 PlacesBefore, 42 PlacesAfterwards, 153 TransitionsBefore, 30 TransitionsAfterwards, 2722 CoEnabledTransitionPairs, 7 FixpointIterations, 66 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 136 TotalNumberOfCompositions, 6348 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3555, positive: 3335, positive conditional: 0, positive unconditional: 3335, negative: 220, negative conditional: 0, negative unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1989, positive: 1912, positive conditional: 0, positive unconditional: 1912, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1989, positive: 1893, positive conditional: 0, positive unconditional: 1893, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2426, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 728, negative conditional: 0, negative unconditional: 728, unknown: 1658, unknown conditional: 0, unknown unconditional: 1658] ], Cache Queries: [ total: 3555, positive: 1423, positive conditional: 0, positive unconditional: 1423, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 1989, unknown conditional: 0, unknown unconditional: 1989] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 202, Positive conditional cache size: 0, Positive unconditional cache size: 202, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:35:39,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/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_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/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 f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:35:42,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:35:42,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:35:42,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:35:42,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:35:42,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:35:42,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:35:42,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:35:42,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:35:42,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:35:42,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:35:42,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:35:42,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:35:42,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:35:42,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:35:42,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:35:42,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:35:42,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:35:42,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:35:42,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:35:42,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:35:42,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:35:42,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:35:42,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:35:42,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:35:42,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:35:42,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:35:42,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:35:42,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:35:42,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:35:42,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:35:42,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:35:42,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:35:42,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:35:42,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:35:42,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:35:42,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:35:42,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:35:42,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:35:42,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:35:42,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:35:42,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:35:42,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:35:42,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:35:42,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:35:42,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:35:42,390 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:35:42,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:35:42,391 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:35:42,391 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:35:42,392 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:35:42,392 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:35:42,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:35:42,393 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:35:42,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:35:42,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:35:42,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:35:42,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:35:42,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:35:42,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:35:42,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:35:42,398 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:35:42,398 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:35:42,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:35:42,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:35:42,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:35:42,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:35:42,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:35:42,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:35:42,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:35:42,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:35:42,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:35:42,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:35:42,402 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:35:42,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:35:42,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:35:42,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:35:42,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:35:42,404 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_44b099c0-79d1-4880-a740-6e99c955246c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 [2021-11-12 23:35:42,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:35:42,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:35:42,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:35:42,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:35:42,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:35:42,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2021-11-12 23:35:42,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data/d01982cad/60e2f2b2b95143b885bb749f49b3536e/FLAG51db99dcb [2021-11-12 23:35:43,526 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:35:43,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/sv-benchmarks/c/pthread-wmm/thin002_rmo.i [2021-11-12 23:35:43,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data/d01982cad/60e2f2b2b95143b885bb749f49b3536e/FLAG51db99dcb [2021-11-12 23:35:43,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/data/d01982cad/60e2f2b2b95143b885bb749f49b3536e [2021-11-12 23:35:43,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:35:43,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:35:43,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:35:43,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:35:43,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:35:43,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:35:43" (1/1) ... [2021-11-12 23:35:43,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63837a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:43, skipping insertion in model container [2021-11-12 23:35:43,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:35:43" (1/1) ... [2021-11-12 23:35:43,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:35:43,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:35:44,105 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_44b099c0-79d1-4880-a740-6e99c955246c/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2021-11-12 23:35:44,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:35:44,357 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:35:44,381 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_44b099c0-79d1-4880-a740-6e99c955246c/sv-benchmarks/c/pthread-wmm/thin002_rmo.i[988,1001] [2021-11-12 23:35:44,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:35:44,505 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:35:44,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44 WrapperNode [2021-11-12 23:35:44,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:35:44,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:35:44,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:35:44,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:35:44,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:35:44,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:35:44,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:35:44,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:35:44,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:35:44,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:35:44,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:35:44,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:35:44,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (1/1) ... [2021-11-12 23:35:44,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:35:44,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:35:44,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:35:44,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:35:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:35:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-12 23:35:44,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:35:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:35:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:35:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:35:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:35:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-12 23:35:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-12 23:35:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-12 23:35:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-12 23:35:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-12 23:35:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-12 23:35:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-12 23:35:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-12 23:35:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-12 23:35:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:35:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:35:44,778 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-12 23:35:45,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:35:45,737 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:35:45,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:35:45 BoogieIcfgContainer [2021-11-12 23:35:45,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:35:45,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:35:45,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:35:45,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:35:45,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:35:43" (1/3) ... [2021-11-12 23:35:45,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eae2785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:35:45, skipping insertion in model container [2021-11-12 23:35:45,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:35:44" (2/3) ... [2021-11-12 23:35:45,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eae2785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:35:45, skipping insertion in model container [2021-11-12 23:35:45,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:35:45" (3/3) ... [2021-11-12 23:35:45,748 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_rmo.i [2021-11-12 23:35:45,753 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-12 23:35:45,753 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:35:45,753 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:35:45,753 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-12 23:35:45,794 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,794 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,794 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,795 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,795 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,795 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,796 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,796 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,796 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,796 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,796 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,797 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,797 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,797 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,797 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,797 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,797 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,798 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,798 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,798 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,798 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,798 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,802 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,802 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,802 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,802 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,802 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,803 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,803 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,803 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,803 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,803 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,803 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,806 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,806 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,806 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,806 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,806 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,808 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,808 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,808 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,808 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,808 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,808 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,809 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,809 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,809 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,809 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,809 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,810 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,810 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,810 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,810 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,810 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,816 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,817 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,817 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,817 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,818 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,818 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,818 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,819 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,819 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,819 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,819 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,819 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,820 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,820 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,820 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,820 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,821 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,821 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,821 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,821 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,822 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,822 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,822 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,822 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,823 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,823 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,824 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,824 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,829 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,829 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,830 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,830 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,833 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,833 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,833 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,834 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,835 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,836 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,837 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,837 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,848 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,849 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,849 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,849 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,849 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,849 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,850 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,850 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,851 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,851 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,851 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,852 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,852 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,852 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,852 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,852 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,853 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,853 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,853 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,854 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,854 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,854 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,855 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,855 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,855 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,856 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-12 23:35:45,856 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-12 23:35:45,899 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:35:45,906 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 23:35:45,906 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-12 23:35:45,921 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-12 23:35:45,936 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 154 transitions, 328 flow [2021-11-12 23:35:45,943 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 154 transitions, 328 flow [2021-11-12 23:35:45,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 154 transitions, 328 flow [2021-11-12 23:35:46,048 INFO L129 PetriNetUnfolder]: 2/150 cut-off events. [2021-11-12 23:35:46,049 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-12 23:35:46,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 150 events. 2/150 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2021-11-12 23:35:46,061 INFO L116 LiptonReduction]: Number of co-enabled transitions 2722 [2021-11-12 23:36:26,953 INFO L131 LiptonReduction]: Checked pairs total: 6855 [2021-11-12 23:36:26,954 INFO L133 LiptonReduction]: Total number of compositions: 138 [2021-11-12 23:36:26,962 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 30 transitions, 80 flow [2021-11-12 23:36:27,060 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1450 states, 1449 states have (on average 3.710144927536232) internal successors, (5376), 1449 states have internal predecessors, (5376), 0 states have call successors, (0), 0 states 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 23:36:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 1450 states, 1449 states have (on average 3.710144927536232) internal successors, (5376), 1449 states have internal predecessors, (5376), 0 states have call successors, (0), 0 states 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 23:36:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 23:36:27,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:36:27,079 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:36:27,080 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 23:36:27,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:36:27,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2035385300, now seen corresponding path program 1 times [2021-11-12 23:36:27,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:36:27,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543605624] [2021-11-12 23:36:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:36:27,099 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:36:27,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:36:27,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:36:27,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:36:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:36:27,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:36:27,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:27,458 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 23:36:27,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:27,560 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 23:36:27,561 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:36:27,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543605624] [2021-11-12 23:36:27,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543605624] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:36:27,562 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:36:27,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:36:27,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600690251] [2021-11-12 23:36:27,565 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:36:27,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:36:27,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:36:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:36:27,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:36:27,602 INFO L87 Difference]: Start difference. First operand has 1450 states, 1449 states have (on average 3.710144927536232) internal successors, (5376), 1449 states have internal predecessors, (5376), 0 states have call successors, (0), 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 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:36:27,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:36:27,958 INFO L93 Difference]: Finished difference Result 1041 states and 3355 transitions. [2021-11-12 23:36:27,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:36:27,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-12 23:36:27,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:36:27,986 INFO L225 Difference]: With dead ends: 1041 [2021-11-12 23:36:27,986 INFO L226 Difference]: Without dead ends: 721 [2021-11-12 23:36:27,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:36:27,990 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 51 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 211.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.83ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 269.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:36:27,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 28 Invalid, 113 Unknown, 0 Unchecked, 2.83ms Time], IncrementalHoareTripleChecker [12 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 269.87ms Time] [2021-11-12 23:36:28,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2021-11-12 23:36:28,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2021-11-12 23:36:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 720 states have (on average 2.966666666666667) internal successors, (2136), 720 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states 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 23:36:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 2136 transitions. [2021-11-12 23:36:28,094 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 2136 transitions. Word has length 11 [2021-11-12 23:36:28,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:36:28,095 INFO L470 AbstractCegarLoop]: Abstraction has 721 states and 2136 transitions. [2021-11-12 23:36:28,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:36:28,095 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 2136 transitions. [2021-11-12 23:36:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-12 23:36:28,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:36:28,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:36:28,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 23:36:28,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:36:28,316 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 23:36:28,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:36:28,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1604035794, now seen corresponding path program 1 times [2021-11-12 23:36:28,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:36:28,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055748467] [2021-11-12 23:36:28,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:36:28,318 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:36:28,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:36:28,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:36:28,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:36:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:36:28,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:36:28,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:28,598 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 23:36:28,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:28,702 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 23:36:28,703 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:36:28,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055748467] [2021-11-12 23:36:28,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055748467] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:36:28,703 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:36:28,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:36:28,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709191101] [2021-11-12 23:36:28,704 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:36:28,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:36:28,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:36:28,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:36:28,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:36:28,708 INFO L87 Difference]: Start difference. First operand 721 states and 2136 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:36:29,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:36:29,247 INFO L93 Difference]: Finished difference Result 570 states and 1706 transitions. [2021-11-12 23:36:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:36:29,247 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-12 23:36:29,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:36:29,253 INFO L225 Difference]: With dead ends: 570 [2021-11-12 23:36:29,253 INFO L226 Difference]: Without dead ends: 493 [2021-11-12 23:36:29,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:36:29,255 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 138 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 395.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.19ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 471.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:36:29,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 76 Invalid, 313 Unknown, 0 Unchecked, 4.19ms Time], IncrementalHoareTripleChecker [39 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 471.27ms Time] [2021-11-12 23:36:29,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2021-11-12 23:36:29,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2021-11-12 23:36:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 492 states have (on average 3.0304878048780486) internal successors, (1491), 492 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states 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 23:36:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 1491 transitions. [2021-11-12 23:36:29,301 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 1491 transitions. Word has length 17 [2021-11-12 23:36:29,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:36:29,303 INFO L470 AbstractCegarLoop]: Abstraction has 493 states and 1491 transitions. [2021-11-12 23:36:29,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:36:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1491 transitions. [2021-11-12 23:36:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-12 23:36:29,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:36:29,319 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] [2021-11-12 23:36:29,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:36:29,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:36:29,536 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 23:36:29,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:36:29,537 INFO L85 PathProgramCache]: Analyzing trace with hash -133057104, now seen corresponding path program 1 times [2021-11-12 23:36:29,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:36:29,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514695244] [2021-11-12 23:36:29,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:36:29,538 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:36:29,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:36:29,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:36:29,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:36:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:36:29,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:36:29,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:29,837 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 23:36:29,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:29,976 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 23:36:29,976 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:36:29,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514695244] [2021-11-12 23:36:29,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514695244] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:36:29,977 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:36:29,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-11-12 23:36:29,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299554208] [2021-11-12 23:36:29,977 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:36:29,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:36:29,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:36:29,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:36:29,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:36:29,979 INFO L87 Difference]: Start difference. First operand 493 states and 1491 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 23:36:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:36:30,168 INFO L93 Difference]: Finished difference Result 675 states and 1985 transitions. [2021-11-12 23:36:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:36:30,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 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 24 [2021-11-12 23:36:30,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:36:30,172 INFO L225 Difference]: With dead ends: 675 [2021-11-12 23:36:30,172 INFO L226 Difference]: Without dead ends: 313 [2021-11-12 23:36:30,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:36:30,173 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 33 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 144.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.87ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 168.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:36:30,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 13 Invalid, 71 Unknown, 0 Unchecked, 0.87ms Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 168.45ms Time] [2021-11-12 23:36:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-11-12 23:36:30,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2021-11-12 23:36:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 312 states have (on average 2.7211538461538463) internal successors, (849), 312 states have internal predecessors, (849), 0 states have call successors, (0), 0 states 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 23:36:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 849 transitions. [2021-11-12 23:36:30,188 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 849 transitions. Word has length 24 [2021-11-12 23:36:30,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:36:30,189 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 849 transitions. [2021-11-12 23:36:30,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 23:36:30,189 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 849 transitions. [2021-11-12 23:36:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-12 23:36:30,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:36:30,191 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] [2021-11-12 23:36:30,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:36:30,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:36:30,405 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 23:36:30,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:36:30,406 INFO L85 PathProgramCache]: Analyzing trace with hash -74762690, now seen corresponding path program 2 times [2021-11-12 23:36:30,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:36:30,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274589557] [2021-11-12 23:36:30,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-12 23:36:30,407 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:36:30,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:36:30,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:36:30,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:36:30,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-12 23:36:30,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:36:30,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:36:30,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:30,686 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 23:36:30,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:30,813 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 23:36:30,814 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:36:30,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274589557] [2021-11-12 23:36:30,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274589557] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:36:30,814 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:36:30,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-11-12 23:36:30,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023916826] [2021-11-12 23:36:30,815 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:36:30,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:36:30,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:36:30,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:36:30,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:36:30,817 INFO L87 Difference]: Start difference. First operand 313 states and 849 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 23:36:30,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:36:30,939 INFO L93 Difference]: Finished difference Result 395 states and 1047 transitions. [2021-11-12 23:36:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:36:30,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 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 24 [2021-11-12 23:36:30,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:36:30,942 INFO L225 Difference]: With dead ends: 395 [2021-11-12 23:36:30,942 INFO L226 Difference]: Without dead ends: 233 [2021-11-12 23:36:30,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:36:30,944 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 46 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.63ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:36:30,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 10 Invalid, 49 Unknown, 0 Unchecked, 0.63ms Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 106.76ms Time] [2021-11-12 23:36:30,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-12 23:36:30,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2021-11-12 23:36:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 232 states have (on average 2.5560344827586206) internal successors, (593), 232 states have internal predecessors, (593), 0 states have call successors, (0), 0 states 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 23:36:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 593 transitions. [2021-11-12 23:36:30,954 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 593 transitions. Word has length 24 [2021-11-12 23:36:30,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:36:30,955 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 593 transitions. [2021-11-12 23:36:30,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states 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 23:36:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 593 transitions. [2021-11-12 23:36:30,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-12 23:36:30,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:36:30,956 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] [2021-11-12 23:36:30,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:36:31,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:36:31,168 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-12 23:36:31,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:36:31,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1426089318, now seen corresponding path program 3 times [2021-11-12 23:36:31,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:36:31,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296546621] [2021-11-12 23:36:31,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:36:31,170 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:36:31,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:36:31,174 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:36:31,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:36:31,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-12 23:36:31,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-12 23:36:31,451 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:36:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:36:31,720 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 23:36:31,720 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:36:31,721 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-12 23:36:31,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2021-11-12 23:36:31,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2021-11-12 23:36:31,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2021-11-12 23:36:31,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2021-11-12 23:36:31,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:36:31,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:36:31,964 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2021-11-12 23:36:31,968 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-12 23:36:31,968 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:36:32,051 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:36:32,052 INFO L158 Benchmark]: Toolchain (without parser) took 48251.84ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 57.8MB in the beginning and 41.4MB in the end (delta: 16.3MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2021-11-12 23:36:32,053 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:36:32,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.11ms. Allocated memory is still 73.4MB. Free memory was 57.6MB in the beginning and 44.2MB in the end (delta: 13.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-11-12 23:36:32,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.89ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 41.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:36:32,054 INFO L158 Benchmark]: Boogie Preprocessor took 94.27ms. Allocated memory is still 73.4MB. Free memory was 41.6MB in the beginning and 39.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:36:32,066 INFO L158 Benchmark]: RCFGBuilder took 1056.46ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 39.0MB in the beginning and 51.5MB in the end (delta: -12.6MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-12 23:36:32,066 INFO L158 Benchmark]: TraceAbstraction took 46309.83ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.1MB in the beginning and 41.4MB in the end (delta: 9.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-12 23:36:32,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.11ms. Allocated memory is still 73.4MB. Free memory was 57.6MB in the beginning and 44.2MB in the end (delta: 13.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.89ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 41.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.27ms. Allocated memory is still 73.4MB. Free memory was 41.6MB in the beginning and 39.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1056.46ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 39.0MB in the beginning and 51.5MB in the end (delta: -12.6MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 46309.83ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.1MB in the beginning and 41.4MB in the end (delta: 9.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.0s, 165 PlacesBefore, 42 PlacesAfterwards, 154 TransitionsBefore, 30 TransitionsAfterwards, 2722 CoEnabledTransitionPairs, 8 FixpointIterations, 67 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 138 TotalNumberOfCompositions, 6855 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3654, positive: 3407, positive conditional: 0, positive unconditional: 3407, negative: 247, negative conditional: 0, negative unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1943, positive: 1873, positive conditional: 0, positive unconditional: 1873, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1943, positive: 1850, positive conditional: 0, positive unconditional: 1850, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18119, positive: 211, positive conditional: 0, positive unconditional: 211, negative: 1843, negative conditional: 0, negative unconditional: 1843, unknown: 16065, unknown conditional: 0, unknown unconditional: 16065] ], Cache Queries: [ total: 3654, positive: 1534, positive conditional: 0, positive unconditional: 1534, negative: 177, negative conditional: 0, negative unconditional: 177, unknown: 1943, unknown conditional: 0, unknown unconditional: 1943] , Statistics on independence cache: Total cache size (in pairs): 211, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:36:32,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b099c0-79d1-4880-a740-6e99c955246c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null