./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_51-mutexptr_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_51-mutexptr_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8 --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 f222d5749b9bb10b4d4c09b2c40e45ee19dec77732a8593ce917652e8ca8a43e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:25:01,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:25:01,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:25:01,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:25:01,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:25:01,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:25:01,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:25:01,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:25:01,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:25:01,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:25:01,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:25:01,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:25:01,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:25:01,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:25:01,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:25:01,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:25:01,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:25:01,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:25:01,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:25:01,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:25:01,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:25:01,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:25:01,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:25:01,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:25:01,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:25:01,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:25:01,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:25:01,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:25:01,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:25:01,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:25:01,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:25:01,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:25:01,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:25:01,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:25:01,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:25:01,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:25:01,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:25:01,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:25:01,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:25:01,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:25:01,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:25:01,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:25:01,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:25:01,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:25:01,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:25:01,191 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:25:01,191 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:25:01,191 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:25:01,192 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:25:01,192 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:25:01,198 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:25:01,198 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:25:01,199 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:25:01,200 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:25:01,200 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:25:01,200 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:25:01,200 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:25:01,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:25:01,201 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:25:01,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:25:01,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:25:01,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:25:01,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:25:01,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:25:01,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:25:01,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:25:01,203 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:25:01,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:25:01,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:25:01,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:25:01,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:25:01,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:25:01,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:25:01,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:25:01,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:25:01,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:25:01,205 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:25:01,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:25:01,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:25:01,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:25:01,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:25:01,206 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_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f222d5749b9bb10b4d4c09b2c40e45ee19dec77732a8593ce917652e8ca8a43e [2021-11-07 01:25:01,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:25:01,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:25:01,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:25:01,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:25:01,525 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:25:01,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/28-race_reach_51-mutexptr_racefree.i [2021-11-07 01:25:01,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/data/b420b1680/7bf84cc467c843bcb40e3b04f6ec705f/FLAGe8ecdc8a6 [2021-11-07 01:25:02,145 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:25:02,146 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/sv-benchmarks/c/goblint-regression/28-race_reach_51-mutexptr_racefree.i [2021-11-07 01:25:02,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/data/b420b1680/7bf84cc467c843bcb40e3b04f6ec705f/FLAGe8ecdc8a6 [2021-11-07 01:25:02,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/data/b420b1680/7bf84cc467c843bcb40e3b04f6ec705f [2021-11-07 01:25:02,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:25:02,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:25:02,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:25:02,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:25:02,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:25:02,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:25:02" (1/1) ... [2021-11-07 01:25:02,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e932a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:02, skipping insertion in model container [2021-11-07 01:25:02,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:25:02" (1/1) ... [2021-11-07 01:25:02,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:25:02,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:25:02,947 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_9cdbdcbd-77d2-45be-b95e-fbf314118570/sv-benchmarks/c/goblint-regression/28-race_reach_51-mutexptr_racefree.i[30176,30189] [2021-11-07 01:25:02,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:25:02,994 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:25:03,051 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_9cdbdcbd-77d2-45be-b95e-fbf314118570/sv-benchmarks/c/goblint-regression/28-race_reach_51-mutexptr_racefree.i[30176,30189] [2021-11-07 01:25:03,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:25:03,135 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:25:03,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03 WrapperNode [2021-11-07 01:25:03,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:25:03,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:25:03,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:25:03,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:25:03,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:25:03,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:25:03,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:25:03,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:25:03,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:25:03,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:25:03,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:25:03,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:25:03,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (1/1) ... [2021-11-07 01:25:03,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:25:03,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:03,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:25:03,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:25:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:25:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:25:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-07 01:25:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:25:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-07 01:25:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-07 01:25:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:25:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:25:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:25:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:25:03,330 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 01:25:03,743 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:25:03,743 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-07 01:25:03,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:25:03 BoogieIcfgContainer [2021-11-07 01:25:03,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:25:03,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:25:03,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:25:03,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:25:03,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:25:02" (1/3) ... [2021-11-07 01:25:03,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c47a510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:25:03, skipping insertion in model container [2021-11-07 01:25:03,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:25:03" (2/3) ... [2021-11-07 01:25:03,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c47a510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:25:03, skipping insertion in model container [2021-11-07 01:25:03,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:25:03" (3/3) ... [2021-11-07 01:25:03,767 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_51-mutexptr_racefree.i [2021-11-07 01:25:03,773 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 01:25:03,773 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:25:03,773 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:25:03,774 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 01:25:03,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,835 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,835 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,836 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,836 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,837 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,837 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,837 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,838 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,838 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,838 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,839 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,840 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,840 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,840 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,841 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,841 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,871 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,872 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,874 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:03,885 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-07 01:25:03,927 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:25:03,933 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 [2021-11-07 01:25:03,934 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:25:03,949 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 01:25:03,961 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 120 transitions, 248 flow [2021-11-07 01:25:03,964 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 120 transitions, 248 flow [2021-11-07 01:25:03,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 120 transitions, 248 flow [2021-11-07 01:25:04,035 INFO L129 PetriNetUnfolder]: 17/156 cut-off events. [2021-11-07 01:25:04,035 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-07 01:25:04,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 156 events. 17/156 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 364 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 76. Up to 4 conditions per place. [2021-11-07 01:25:04,046 INFO L116 LiptonReduction]: Number of co-enabled transitions 2940 [2021-11-07 01:25:10,031 INFO L131 LiptonReduction]: Checked pairs total: 5129 [2021-11-07 01:25:10,032 INFO L133 LiptonReduction]: Total number of compositions: 108 [2021-11-07 01:25:10,040 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 34 transitions, 76 flow [2021-11-07 01:25:10,056 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 116 states, 111 states have (on average 2.4324324324324325) internal successors, (270), 115 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 111 states have (on average 2.4324324324324325) internal successors, (270), 115 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:25:10,064 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:10,065 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:25:10,065 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:10,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:10,070 INFO L85 PathProgramCache]: Analyzing trace with hash 14342413, now seen corresponding path program 1 times [2021-11-07 01:25:10,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:10,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196169452] [2021-11-07 01:25:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:10,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:10,278 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:10,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196169452] [2021-11-07 01:25:10,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196169452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:10,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:10,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:25:10,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667799450] [2021-11-07 01:25:10,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:10,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:10,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:10,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:10,325 INFO L87 Difference]: Start difference. First operand has 116 states, 111 states have (on average 2.4324324324324325) internal successors, (270), 115 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:10,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:10,371 INFO L93 Difference]: Finished difference Result 111 states and 198 transitions. [2021-11-07 01:25:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:10,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-11-07 01:25:10,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:10,392 INFO L225 Difference]: With dead ends: 111 [2021-11-07 01:25:10,393 INFO L226 Difference]: Without dead ends: 87 [2021-11-07 01:25:10,394 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:10,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-07 01:25:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-07 01:25:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 85 states have (on average 1.7882352941176471) internal successors, (152), 86 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 152 transitions. [2021-11-07 01:25:10,445 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 152 transitions. Word has length 4 [2021-11-07 01:25:10,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:10,446 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 152 transitions. [2021-11-07 01:25:10,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2021-11-07 01:25:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:25:10,447 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:10,448 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-11-07 01:25:10,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:25:10,449 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:10,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:10,450 INFO L85 PathProgramCache]: Analyzing trace with hash 882973098, now seen corresponding path program 1 times [2021-11-07 01:25:10,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:10,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832876682] [2021-11-07 01:25:10,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:10,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:25:10,544 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:25:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:25:10,594 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:25:10,595 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:25:10,596 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 01:25:10,598 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:25:10,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:25:10,601 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 01:25:10,602 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 01:25:10,602 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-07 01:25:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,618 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,618 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,619 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,619 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,619 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,619 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,619 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,619 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,620 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,620 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,620 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,620 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,620 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,620 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,623 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,623 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,630 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,630 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,630 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,630 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,630 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,631 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,631 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,631 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,631 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,631 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,631 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,631 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,631 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,632 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,632 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,632 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,632 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,632 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,632 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,632 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,632 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,633 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,633 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,633 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,633 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,640 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,640 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,641 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,641 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,642 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,642 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,643 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,644 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,644 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,644 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,645 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,646 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:10,650 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-07 01:25:10,651 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:25:10,653 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 [2021-11-07 01:25:10,653 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:25:10,656 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 01:25:10,657 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 157 transitions, 332 flow [2021-11-07 01:25:10,657 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 157 transitions, 332 flow [2021-11-07 01:25:10,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 157 transitions, 332 flow [2021-11-07 01:25:10,726 INFO L129 PetriNetUnfolder]: 31/253 cut-off events. [2021-11-07 01:25:10,727 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-07 01:25:10,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 253 events. 31/253 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 753 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 158. Up to 8 conditions per place. [2021-11-07 01:25:10,741 INFO L116 LiptonReduction]: Number of co-enabled transitions 9100 [2021-11-07 01:25:16,572 INFO L131 LiptonReduction]: Checked pairs total: 17069 [2021-11-07 01:25:16,572 INFO L133 LiptonReduction]: Total number of compositions: 137 [2021-11-07 01:25:16,573 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 55 transitions, 128 flow [2021-11-07 01:25:16,661 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1399 states, 1392 states have (on average 3.75) internal successors, (5220), 1398 states have internal predecessors, (5220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:16,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 1399 states, 1392 states have (on average 3.75) internal successors, (5220), 1398 states have internal predecessors, (5220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:25:16,667 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:16,668 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:25:16,668 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:16,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash 24487329, now seen corresponding path program 1 times [2021-11-07 01:25:16,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:16,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31995116] [2021-11-07 01:25:16,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:16,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:16,725 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:16,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31995116] [2021-11-07 01:25:16,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31995116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:16,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:16,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:25:16,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121013324] [2021-11-07 01:25:16,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:16,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:16,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:16,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:16,733 INFO L87 Difference]: Start difference. First operand has 1399 states, 1392 states have (on average 3.75) internal successors, (5220), 1398 states have internal predecessors, (5220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:16,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:16,775 INFO L93 Difference]: Finished difference Result 1395 states and 3715 transitions. [2021-11-07 01:25:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:16,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-11-07 01:25:16,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:16,794 INFO L225 Difference]: With dead ends: 1395 [2021-11-07 01:25:16,795 INFO L226 Difference]: Without dead ends: 1239 [2021-11-07 01:25:16,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:16,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2021-11-07 01:25:16,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2021-11-07 01:25:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1236 states have (on average 2.656957928802589) internal successors, (3284), 1238 states have internal predecessors, (3284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2021-11-07 01:25:16,901 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2021-11-07 01:25:16,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:16,901 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2021-11-07 01:25:16,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2021-11-07 01:25:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:25:16,903 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:16,903 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:16,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:25:16,904 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:16,904 INFO L85 PathProgramCache]: Analyzing trace with hash -983234933, now seen corresponding path program 1 times [2021-11-07 01:25:16,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:16,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359583072] [2021-11-07 01:25:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:16,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:16,979 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:16,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359583072] [2021-11-07 01:25:16,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359583072] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:25:16,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959922558] [2021-11-07 01:25:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:16,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:16,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:16,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:17,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:25:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:17,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:25:17,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:17,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:17,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959922558] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:25:17,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [292519347] [2021-11-07 01:25:17,168 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 01:25:17,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:25:17,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-11-07 01:25:17,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841529284] [2021-11-07 01:25:17,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:25:17,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:17,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:25:17,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:25:17,173 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:17,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:17,201 INFO L93 Difference]: Finished difference Result 771 states and 1991 transitions. [2021-11-07 01:25:17,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:25:17,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:25:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:17,207 INFO L225 Difference]: With dead ends: 771 [2021-11-07 01:25:17,208 INFO L226 Difference]: Without dead ends: 771 [2021-11-07 01:25:17,208 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:25:17,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-11-07 01:25:17,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2021-11-07 01:25:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 770 states have (on average 2.585714285714286) internal successors, (1991), 770 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1991 transitions. [2021-11-07 01:25:17,237 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1991 transitions. Word has length 8 [2021-11-07 01:25:17,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:17,237 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 1991 transitions. [2021-11-07 01:25:17,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1991 transitions. [2021-11-07 01:25:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:25:17,239 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:17,239 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2021-11-07 01:25:17,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:25:17,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:17,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:17,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:17,464 INFO L85 PathProgramCache]: Analyzing trace with hash 459603744, now seen corresponding path program 1 times [2021-11-07 01:25:17,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:17,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666304271] [2021-11-07 01:25:17,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:17,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:25:17,479 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:25:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:25:17,522 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:25:17,532 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:25:17,532 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 01:25:17,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:25:17,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 01:25:17,533 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-07 01:25:17,534 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 01:25:17,534 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-11-07 01:25:17,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,557 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,557 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,557 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,557 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,558 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,560 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,575 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,576 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,583 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,583 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,586 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,586 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,592 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,593 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,593 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,596 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,596 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,597 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,597 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,597 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,597 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,600 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,600 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,600 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,601 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,601 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,601 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:17,605 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-07 01:25:17,607 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:25:17,608 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 [2021-11-07 01:25:17,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:25:17,611 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 01:25:17,611 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 194 transitions, 418 flow [2021-11-07 01:25:17,611 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 194 transitions, 418 flow [2021-11-07 01:25:17,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 194 transitions, 418 flow [2021-11-07 01:25:17,698 INFO L129 PetriNetUnfolder]: 50/381 cut-off events. [2021-11-07 01:25:17,698 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-11-07 01:25:17,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 381 events. 50/381 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1284 event pairs, 1 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 261. Up to 16 conditions per place. [2021-11-07 01:25:17,727 INFO L116 LiptonReduction]: Number of co-enabled transitions 17640 [2021-11-07 01:25:23,944 INFO L131 LiptonReduction]: Checked pairs total: 37417 [2021-11-07 01:25:23,945 INFO L133 LiptonReduction]: Total number of compositions: 164 [2021-11-07 01:25:23,946 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 74 transitions, 178 flow [2021-11-07 01:25:25,230 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 18692 states, 18683 states have (on average 5.144462880693679) internal successors, (96114), 18691 states have internal predecessors, (96114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 18692 states, 18683 states have (on average 5.144462880693679) internal successors, (96114), 18691 states have internal predecessors, (96114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:25:25,295 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:25,295 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:25:25,295 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:25,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:25,296 INFO L85 PathProgramCache]: Analyzing trace with hash 36639264, now seen corresponding path program 1 times [2021-11-07 01:25:25,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:25,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880435635] [2021-11-07 01:25:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:25,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:25,433 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:25,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880435635] [2021-11-07 01:25:25,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880435635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:25,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:25,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:25:25,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140517287] [2021-11-07 01:25:25,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:25,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:25,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:25,505 INFO L87 Difference]: Start difference. First operand has 18692 states, 18683 states have (on average 5.144462880693679) internal successors, (96114), 18691 states have internal predecessors, (96114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:26,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:26,129 INFO L93 Difference]: Finished difference Result 18687 states and 66954 transitions. [2021-11-07 01:25:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:26,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-11-07 01:25:26,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:26,325 INFO L225 Difference]: With dead ends: 18687 [2021-11-07 01:25:26,326 INFO L226 Difference]: Without dead ends: 14919 [2021-11-07 01:25:26,326 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:26,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2021-11-07 01:25:27,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2021-11-07 01:25:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14919 states, 14915 states have (on average 3.562319812269527) internal successors, (53132), 14918 states have internal predecessors, (53132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2021-11-07 01:25:27,504 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2021-11-07 01:25:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:27,504 INFO L470 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2021-11-07 01:25:27,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2021-11-07 01:25:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:25:27,506 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:27,506 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:27,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 01:25:27,507 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:27,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:27,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1385241206, now seen corresponding path program 1 times [2021-11-07 01:25:27,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:27,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668413136] [2021-11-07 01:25:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:27,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:27,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:27,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668413136] [2021-11-07 01:25:27,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668413136] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:25:27,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449212966] [2021-11-07 01:25:27,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:27,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:27,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:27,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:27,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:25:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:27,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:25:27,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:27,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:27,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449212966] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:25:27,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1471183985] [2021-11-07 01:25:27,732 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 01:25:27,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:25:27,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 01:25:27,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939816041] [2021-11-07 01:25:27,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:25:27,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:27,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:25:27,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:25:27,736 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 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) [2021-11-07 01:25:27,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:27,893 INFO L93 Difference]: Finished difference Result 9267 states and 32399 transitions. [2021-11-07 01:25:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:25:27,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 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 8 [2021-11-07 01:25:27,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:27,950 INFO L225 Difference]: With dead ends: 9267 [2021-11-07 01:25:27,950 INFO L226 Difference]: Without dead ends: 9267 [2021-11-07 01:25:27,951 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:25:27,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9267 states. [2021-11-07 01:25:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9267 to 9267. [2021-11-07 01:25:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9267 states, 9266 states have (on average 3.496546514137708) internal successors, (32399), 9266 states have internal predecessors, (32399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9267 states to 9267 states and 32399 transitions. [2021-11-07 01:25:28,465 INFO L78 Accepts]: Start accepts. Automaton has 9267 states and 32399 transitions. Word has length 8 [2021-11-07 01:25:28,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:28,465 INFO L470 AbstractCegarLoop]: Abstraction has 9267 states and 32399 transitions. [2021-11-07 01:25:28,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 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) [2021-11-07 01:25:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 9267 states and 32399 transitions. [2021-11-07 01:25:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:25:28,469 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:28,469 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2021-11-07 01:25:28,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:25:28,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-07 01:25:28,672 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:28,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:28,673 INFO L85 PathProgramCache]: Analyzing trace with hash 112548654, now seen corresponding path program 1 times [2021-11-07 01:25:28,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:28,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569696617] [2021-11-07 01:25:28,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:28,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:25:28,691 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:25:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:25:28,719 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:25:28,724 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:25:28,724 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 01:25:28,724 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:25:28,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 01:25:28,725 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-07 01:25:28,725 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 01:25:28,725 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-11-07 01:25:28,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,748 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,748 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,748 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,748 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,756 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,756 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,756 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,758 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,760 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,769 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,769 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,779 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,780 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,781 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,781 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,781 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,781 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,789 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,789 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,789 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,793 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,793 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,794 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,794 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,795 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,795 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,798 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,798 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,799 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,799 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,799 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,799 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,801 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,801 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,802 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,802 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,802 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,802 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:25:28,894 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-07 01:25:28,896 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:25:28,896 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 [2021-11-07 01:25:28,897 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:25:28,899 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 01:25:28,899 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 231 transitions, 506 flow [2021-11-07 01:25:28,899 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 231 transitions, 506 flow [2021-11-07 01:25:28,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 231 transitions, 506 flow [2021-11-07 01:25:29,022 INFO L129 PetriNetUnfolder]: 81/573 cut-off events. [2021-11-07 01:25:29,022 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-11-07 01:25:29,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 573 events. 81/573 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2250 event pairs, 6 based on Foata normal form. 0/487 useless extension candidates. Maximal degree in co-relation 401. Up to 32 conditions per place. [2021-11-07 01:25:29,069 INFO L116 LiptonReduction]: Number of co-enabled transitions 28840 [2021-11-07 01:25:36,053 INFO L131 LiptonReduction]: Checked pairs total: 62713 [2021-11-07 01:25:36,053 INFO L133 LiptonReduction]: Total number of compositions: 194 [2021-11-07 01:25:36,054 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 93 transitions, 230 flow [2021-11-07 01:25:45,800 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 224324 states, 224313 states have (on average 6.558558799534579) internal successors, (1471170), 224323 states have internal predecessors, (1471170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 224324 states, 224313 states have (on average 6.558558799534579) internal successors, (1471170), 224323 states have internal predecessors, (1471170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:25:46,240 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:46,240 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:25:46,240 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:25:46,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:46,243 INFO L85 PathProgramCache]: Analyzing trace with hash 50852288, now seen corresponding path program 1 times [2021-11-07 01:25:46,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:46,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087337847] [2021-11-07 01:25:46,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:46,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:46,268 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:46,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087337847] [2021-11-07 01:25:46,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087337847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:25:46,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:25:46,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:25:46,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733483109] [2021-11-07 01:25:46,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:25:46,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:25:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:46,736 INFO L87 Difference]: Start difference. First operand has 224324 states, 224313 states have (on average 6.558558799534579) internal successors, (1471170), 224323 states have internal predecessors, (1471170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:52,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:52,273 INFO L93 Difference]: Finished difference Result 224319 states and 1009146 transitions. [2021-11-07 01:25:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:25:52,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2021-11-07 01:25:52,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:54,379 INFO L225 Difference]: With dead ends: 224319 [2021-11-07 01:25:54,379 INFO L226 Difference]: Without dead ends: 179079 [2021-11-07 01:25:54,379 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:25:55,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179079 states. [2021-11-07 01:26:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179079 to 179079. [2021-11-07 01:26:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179079 states, 179074 states have (on average 4.4774115728693165) internal successors, (801788), 179078 states have internal predecessors, (801788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179079 states to 179079 states and 801788 transitions. [2021-11-07 01:26:05,239 INFO L78 Accepts]: Start accepts. Automaton has 179079 states and 801788 transitions. Word has length 4 [2021-11-07 01:26:05,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:26:05,239 INFO L470 AbstractCegarLoop]: Abstraction has 179079 states and 801788 transitions. [2021-11-07 01:26:05,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:26:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 179079 states and 801788 transitions. [2021-11-07 01:26:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:26:05,240 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:26:05,240 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:26:05,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 01:26:05,240 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 01:26:05,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:26:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1980805106, now seen corresponding path program 1 times [2021-11-07 01:26:05,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:26:05,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115320793] [2021-11-07 01:26:05,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:05,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:26:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:05,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:26:05,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115320793] [2021-11-07 01:26:05,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115320793] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:26:05,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268054342] [2021-11-07 01:26:05,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:26:05,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:26:05,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:26:05,298 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:26:05,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cdbdcbd-77d2-45be-b95e-fbf314118570/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:26:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:26:05,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:26:05,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:26:05,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:05,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:05,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268054342] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:26:05,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2022238486] [2021-11-07 01:26:05,454 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 01:26:05,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:26:05,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 01:26:05,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239853847] [2021-11-07 01:26:05,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:26:05,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:26:05,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:26:05,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:26:05,458 INFO L87 Difference]: Start difference. First operand 179079 states and 801788 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 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) [2021-11-07 01:26:08,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:26:08,956 INFO L93 Difference]: Finished difference Result 173427 states and 781055 transitions. [2021-11-07 01:26:08,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:26:08,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 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 8 [2021-11-07 01:26:08,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:26:10,404 INFO L225 Difference]: With dead ends: 173427 [2021-11-07 01:26:10,404 INFO L226 Difference]: Without dead ends: 173427 [2021-11-07 01:26:10,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:26:11,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173427 states.