./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a8f8518887bc2e5e0d6d71e32a92b54f9a899d1e11c58bdb579bc81d5f31bb3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:51:41,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:41,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:41,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:41,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:41,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:41,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:41,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:41,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:41,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:41,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:41,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:41,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:41,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:41,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:41,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:41,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:41,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:41,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:41,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:41,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:41,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:41,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:41,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:41,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:41,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:41,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:41,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:41,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:41,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:41,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:41,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:41,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:41,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:41,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:41,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:41,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:41,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:41,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:41,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:41,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:41,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:51:41,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:41,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:41,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:41,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:41,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:41,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:41,477 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:41,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:41,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:51:41,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:51:41,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:51:41,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:41,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:51:41,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:51:41,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:51:41,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:51:41,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:51:41,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:41,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:51:41,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:41,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:41,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:51:41,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:41,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:41,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:51:41,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:51:41,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:51:41,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:51:41,481 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:51:41,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:51:41,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:51:41,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:41,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a8f8518887bc2e5e0d6d71e32a92b54f9a899d1e11c58bdb579bc81d5f31bb3 [2021-10-28 23:51:41,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:41,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:41,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:41,796 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:41,796 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:41,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2021-10-28 23:51:41,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/data/9d32e1baa/ba805527b79149ae90fcf5569e2c731a/FLAGe99b86feb [2021-10-28 23:51:42,457 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:42,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2021-10-28 23:51:42,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/data/9d32e1baa/ba805527b79149ae90fcf5569e2c731a/FLAGe99b86feb [2021-10-28 23:51:42,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/data/9d32e1baa/ba805527b79149ae90fcf5569e2c731a [2021-10-28 23:51:42,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:42,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:51:42,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:42,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:42,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:42,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:42" (1/1) ... [2021-10-28 23:51:42,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22844b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:42, skipping insertion in model container [2021-10-28 23:51:42,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:42" (1/1) ... [2021-10-28 23:51:42,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:42,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:43,036 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_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2021-10-28 23:51:43,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:43,285 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:51:43,299 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_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2021-10-28 23:51:43,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:43,441 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:51:43,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43 WrapperNode [2021-10-28 23:51:43,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:43,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:43,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:51:43,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:51:43,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:51:43,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:51:43,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:51:43,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:51:43,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:51:43,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:51:43,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:51:43,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:51:43,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (1/1) ... [2021-10-28 23:51:43,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:43,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:43,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:43,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:51:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:51:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-28 23:51:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:51:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:51:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-28 23:51:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-28 23:51:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-28 23:51:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-28 23:51:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:51:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-28 23:51:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:51:43,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:51:43,709 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 23:51:45,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:51:45,506 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 23:51:45,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:45 BoogieIcfgContainer [2021-10-28 23:51:45,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:51:45,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:51:45,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:51:45,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:51:45,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:42" (1/3) ... [2021-10-28 23:51:45,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c014ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:45, skipping insertion in model container [2021-10-28 23:51:45,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:43" (2/3) ... [2021-10-28 23:51:45,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c014ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:45, skipping insertion in model container [2021-10-28 23:51:45,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:45" (3/3) ... [2021-10-28 23:51:45,520 INFO L111 eAbstractionObserver]: Analyzing ICFG mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2021-10-28 23:51:45,526 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 23:51:45,526 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:51:45,526 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-28 23:51:45,526 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 23:51:45,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,567 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,567 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,567 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,567 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,568 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,568 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,568 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,568 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,569 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,570 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,572 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,573 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,574 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,575 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,576 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,576 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,577 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,577 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,623 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,624 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,627 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,629 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,630 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,634 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,634 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,634 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:51:45,636 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 23:51:45,686 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:51:45,693 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=PETRI_NET, 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 [2021-10-28 23:51:45,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-28 23:51:45,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2021-10-28 23:51:45,742 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2021-10-28 23:51:45,743 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:51:45,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2021-10-28 23:51:45,746 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 91 transitions, 192 flow [2021-10-28 23:51:45,751 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 89 transitions, 184 flow [2021-10-28 23:51:45,760 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-10-28 23:51:45,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:51:45,773 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:51:45,774 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:45,774 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-28 23:51:45,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:45,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1973084946, now seen corresponding path program 1 times [2021-10-28 23:51:45,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:45,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201759545] [2021-10-28 23:51:45,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:45,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:46,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:46,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201759545] [2021-10-28 23:51:46,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201759545] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:46,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:46,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:51:46,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391851223] [2021-10-28 23:51:46,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:51:46,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:46,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:51:46,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:51:46,112 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 91 [2021-10-28 23:51:46,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 89 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:51:46,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 91 [2021-10-28 23:51:46,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:51:46,215 INFO L129 PetriNetUnfolder]: 16/136 cut-off events. [2021-10-28 23:51:46,215 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:51:46,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 136 events. 16/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 339 event pairs, 2 based on Foata normal form. 12/141 useless extension candidates. Maximal degree in co-relation 132. Up to 27 conditions per place. [2021-10-28 23:51:46,220 INFO L132 encePairwiseOnDemand]: 86/91 looper letters, 7 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2021-10-28 23:51:46,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 88 transitions, 200 flow [2021-10-28 23:51:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:51:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 23:51:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2021-10-28 23:51:46,245 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9413919413919414 [2021-10-28 23:51:46,245 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2021-10-28 23:51:46,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2021-10-28 23:51:46,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:51:46,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2021-10-28 23:51:46,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,268 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,270 INFO L186 Difference]: Start difference. First operand has 94 places, 89 transitions, 184 flow. Second operand 3 states and 257 transitions. [2021-10-28 23:51:46,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 88 transitions, 200 flow [2021-10-28 23:51:46,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 198 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 23:51:46,280 INFO L242 Difference]: Finished difference. Result has 92 places, 85 transitions, 178 flow [2021-10-28 23:51:46,282 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2021-10-28 23:51:46,283 INFO L334 CegarLoopForPetriNet]: 94 programPoint places, -2 predicate places. [2021-10-28 23:51:46,284 INFO L470 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 178 flow [2021-10-28 23:51:46,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,285 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:51:46,286 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:46,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:51:46,287 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-28 23:51:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:46,288 INFO L85 PathProgramCache]: Analyzing trace with hash -554447788, now seen corresponding path program 1 times [2021-10-28 23:51:46,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:46,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869705941] [2021-10-28 23:51:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:46,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:46,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:46,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869705941] [2021-10-28 23:51:46,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869705941] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:46,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:46,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:51:46,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900391060] [2021-10-28 23:51:46,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:51:46,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:46,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:51:46,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:46,630 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 91 [2021-10-28 23:51:46,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 178 flow. Second operand has 7 states, 7 states have (on average 76.28571428571429) internal successors, (534), 7 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:51:46,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 91 [2021-10-28 23:51:46,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:51:46,882 INFO L129 PetriNetUnfolder]: 57/294 cut-off events. [2021-10-28 23:51:46,883 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:51:46,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 294 events. 57/294 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1321 event pairs, 12 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 374. Up to 56 conditions per place. [2021-10-28 23:51:46,888 INFO L132 encePairwiseOnDemand]: 85/91 looper letters, 11 selfloop transitions, 2 changer transitions 29/107 dead transitions. [2021-10-28 23:51:46,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 107 transitions, 292 flow [2021-10-28 23:51:46,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:51:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 23:51:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 712 transitions. [2021-10-28 23:51:46,893 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8693528693528694 [2021-10-28 23:51:46,893 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 712 transitions. [2021-10-28 23:51:46,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 712 transitions. [2021-10-28 23:51:46,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:51:46,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 712 transitions. [2021-10-28 23:51:46,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 79.11111111111111) internal successors, (712), 9 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,903 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 91.0) internal successors, (910), 10 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,903 INFO L186 Difference]: Start difference. First operand has 92 places, 85 transitions, 178 flow. Second operand 9 states and 712 transitions. [2021-10-28 23:51:46,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 107 transitions, 292 flow [2021-10-28 23:51:46,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 107 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 23:51:46,908 INFO L242 Difference]: Finished difference. Result has 105 places, 77 transitions, 178 flow [2021-10-28 23:51:46,908 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=178, PETRI_PLACES=105, PETRI_TRANSITIONS=77} [2021-10-28 23:51:46,909 INFO L334 CegarLoopForPetriNet]: 94 programPoint places, 11 predicate places. [2021-10-28 23:51:46,909 INFO L470 AbstractCegarLoop]: Abstraction has has 105 places, 77 transitions, 178 flow [2021-10-28 23:51:46,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 76.28571428571429) internal successors, (534), 7 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:46,910 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:51:46,910 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:46,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:51:46,910 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-28 23:51:46,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:46,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2122705558, now seen corresponding path program 1 times [2021-10-28 23:51:46,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:46,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751405070] [2021-10-28 23:51:46,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:46,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:47,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:47,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751405070] [2021-10-28 23:51:47,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751405070] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:47,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:47,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:51:47,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277757938] [2021-10-28 23:51:47,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:51:47,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:47,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:51:47,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:51:47,105 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 91 [2021-10-28 23:51:47,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 77 transitions, 178 flow. Second operand has 6 states, 6 states have (on average 79.16666666666667) internal successors, (475), 6 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:51:47,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 91 [2021-10-28 23:51:47,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:51:47,234 INFO L129 PetriNetUnfolder]: 30/170 cut-off events. [2021-10-28 23:51:47,234 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-10-28 23:51:47,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 170 events. 30/170 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 568 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 259. Up to 26 conditions per place. [2021-10-28 23:51:47,237 INFO L132 encePairwiseOnDemand]: 82/91 looper letters, 8 selfloop transitions, 5 changer transitions 20/100 dead transitions. [2021-10-28 23:51:47,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 100 transitions, 290 flow [2021-10-28 23:51:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:51:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 23:51:47,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 815 transitions. [2021-10-28 23:51:47,242 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8956043956043956 [2021-10-28 23:51:47,242 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 815 transitions. [2021-10-28 23:51:47,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 815 transitions. [2021-10-28 23:51:47,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:51:47,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 815 transitions. [2021-10-28 23:51:47,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 81.5) internal successors, (815), 10 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,250 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,250 INFO L186 Difference]: Start difference. First operand has 105 places, 77 transitions, 178 flow. Second operand 10 states and 815 transitions. [2021-10-28 23:51:47,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 100 transitions, 290 flow [2021-10-28 23:51:47,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 100 transitions, 274 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-10-28 23:51:47,256 INFO L242 Difference]: Finished difference. Result has 98 places, 78 transitions, 204 flow [2021-10-28 23:51:47,257 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=204, PETRI_PLACES=98, PETRI_TRANSITIONS=78} [2021-10-28 23:51:47,257 INFO L334 CegarLoopForPetriNet]: 94 programPoint places, 4 predicate places. [2021-10-28 23:51:47,257 INFO L470 AbstractCegarLoop]: Abstraction has has 98 places, 78 transitions, 204 flow [2021-10-28 23:51:47,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.16666666666667) internal successors, (475), 6 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,258 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:51:47,258 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:47,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:51:47,259 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-28 23:51:47,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:47,260 INFO L85 PathProgramCache]: Analyzing trace with hash -389274864, now seen corresponding path program 1 times [2021-10-28 23:51:47,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:47,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23879257] [2021-10-28 23:51:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:47,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:47,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:47,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23879257] [2021-10-28 23:51:47,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23879257] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:47,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:47,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:51:47,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28062896] [2021-10-28 23:51:47,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:51:47,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:47,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:51:47,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:47,511 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 91 [2021-10-28 23:51:47,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 78 transitions, 204 flow. Second operand has 7 states, 7 states have (on average 79.14285714285714) internal successors, (554), 7 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:51:47,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 91 [2021-10-28 23:51:47,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:51:47,638 INFO L129 PetriNetUnfolder]: 8/101 cut-off events. [2021-10-28 23:51:47,638 INFO L130 PetriNetUnfolder]: For 66/69 co-relation queries the response was YES. [2021-10-28 23:51:47,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 101 events. 8/101 cut-off events. For 66/69 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 122 event pairs, 0 based on Foata normal form. 6/107 useless extension candidates. Maximal degree in co-relation 185. Up to 17 conditions per place. [2021-10-28 23:51:47,639 INFO L132 encePairwiseOnDemand]: 83/91 looper letters, 4 selfloop transitions, 7 changer transitions 11/89 dead transitions. [2021-10-28 23:51:47,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 89 transitions, 313 flow [2021-10-28 23:51:47,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:51:47,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 23:51:47,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 804 transitions. [2021-10-28 23:51:47,643 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8835164835164835 [2021-10-28 23:51:47,643 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 804 transitions. [2021-10-28 23:51:47,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 804 transitions. [2021-10-28 23:51:47,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:51:47,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 804 transitions. [2021-10-28 23:51:47,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 80.4) internal successors, (804), 10 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,651 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 91.0) internal successors, (1001), 11 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,651 INFO L186 Difference]: Start difference. First operand has 98 places, 78 transitions, 204 flow. Second operand 10 states and 804 transitions. [2021-10-28 23:51:47,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 89 transitions, 313 flow [2021-10-28 23:51:47,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 89 transitions, 274 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-10-28 23:51:47,656 INFO L242 Difference]: Finished difference. Result has 101 places, 78 transitions, 216 flow [2021-10-28 23:51:47,657 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=216, PETRI_PLACES=101, PETRI_TRANSITIONS=78} [2021-10-28 23:51:47,657 INFO L334 CegarLoopForPetriNet]: 94 programPoint places, 7 predicate places. [2021-10-28 23:51:47,657 INFO L470 AbstractCegarLoop]: Abstraction has has 101 places, 78 transitions, 216 flow [2021-10-28 23:51:47,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 79.14285714285714) internal successors, (554), 7 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,658 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:51:47,658 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:47,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:51:47,658 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-28 23:51:47,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:47,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1328444479, now seen corresponding path program 1 times [2021-10-28 23:51:47,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:47,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540219738] [2021-10-28 23:51:47,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:47,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:47,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:51:47,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540219738] [2021-10-28 23:51:47,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540219738] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:47,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:47,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 23:51:47,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259889417] [2021-10-28 23:51:47,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:51:47,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:51:47,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:51:47,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:51:47,866 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 91 [2021-10-28 23:51:47,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 78 transitions, 216 flow. Second operand has 8 states, 8 states have (on average 74.75) internal successors, (598), 8 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:47,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:51:47,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 91 [2021-10-28 23:51:47,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:51:48,003 INFO L129 PetriNetUnfolder]: 4/119 cut-off events. [2021-10-28 23:51:48,003 INFO L130 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2021-10-28 23:51:48,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 119 events. 4/119 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 169 event pairs, 0 based on Foata normal form. 1/119 useless extension candidates. Maximal degree in co-relation 179. Up to 13 conditions per place. [2021-10-28 23:51:48,004 INFO L132 encePairwiseOnDemand]: 83/91 looper letters, 11 selfloop transitions, 3 changer transitions 7/85 dead transitions. [2021-10-28 23:51:48,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 85 transitions, 272 flow [2021-10-28 23:51:48,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:51:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-28 23:51:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 606 transitions. [2021-10-28 23:51:48,008 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8324175824175825 [2021-10-28 23:51:48,008 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 606 transitions. [2021-10-28 23:51:48,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 606 transitions. [2021-10-28 23:51:48,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:51:48,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 606 transitions. [2021-10-28 23:51:48,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 75.75) internal successors, (606), 8 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:48,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:48,014 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:48,014 INFO L186 Difference]: Start difference. First operand has 101 places, 78 transitions, 216 flow. Second operand 8 states and 606 transitions. [2021-10-28 23:51:48,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 85 transitions, 272 flow [2021-10-28 23:51:48,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 85 transitions, 226 flow, removed 13 selfloop flow, removed 13 redundant places. [2021-10-28 23:51:48,020 INFO L242 Difference]: Finished difference. Result has 96 places, 78 transitions, 187 flow [2021-10-28 23:51:48,021 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=187, PETRI_PLACES=96, PETRI_TRANSITIONS=78} [2021-10-28 23:51:48,021 INFO L334 CegarLoopForPetriNet]: 94 programPoint places, 2 predicate places. [2021-10-28 23:51:48,021 INFO L470 AbstractCegarLoop]: Abstraction has has 96 places, 78 transitions, 187 flow [2021-10-28 23:51:48,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 8 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:51:48,022 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:51:48,022 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:48,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:51:48,023 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-28 23:51:48,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:48,023 INFO L85 PathProgramCache]: Analyzing trace with hash 592351025, now seen corresponding path program 2 times [2021-10-28 23:51:48,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:51:48,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812990744] [2021-10-28 23:51:48,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:48,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:51:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:48,082 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:51:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:51:48,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:51:48,169 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:51:48,170 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:48,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:48,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 23:51:48,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-28 23:51:48,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:51:48,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:51:48,176 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-10-28 23:51:48,181 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 23:51:48,181 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:51:48,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:51:48 BasicIcfg [2021-10-28 23:51:48,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:51:48,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:51:48,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:51:48,315 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:51:48,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:45" (3/4) ... [2021-10-28 23:51:48,318 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:51:48,510 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:51:48,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:51:48,512 INFO L168 Benchmark]: Toolchain (without parser) took 5742.22 ms. Allocated memory was 81.8 MB in the beginning and 127.9 MB in the end (delta: 46.1 MB). Free memory was 41.7 MB in the beginning and 75.1 MB in the end (delta: -33.5 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:48,513 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory was 59.4 MB in the beginning and 59.4 MB in the end (delta: 41.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:48,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.33 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 41.4 MB in the beginning and 62.6 MB in the end (delta: -21.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:48,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.47 ms. Allocated memory is still 104.9 MB. Free memory was 62.6 MB in the beginning and 60.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:48,514 INFO L168 Benchmark]: Boogie Preprocessor took 79.70 ms. Allocated memory is still 104.9 MB. Free memory was 60.2 MB in the beginning and 58.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:48,514 INFO L168 Benchmark]: RCFGBuilder took 1894.50 ms. Allocated memory is still 104.9 MB. Free memory was 58.1 MB in the beginning and 55.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:48,515 INFO L168 Benchmark]: TraceAbstraction took 2804.39 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 55.0 MB in the beginning and 38.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:48,515 INFO L168 Benchmark]: Witness Printer took 195.73 ms. Allocated memory is still 127.9 MB. Free memory was 38.9 MB in the beginning and 75.1 MB in the end (delta: -36.3 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:48,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 81.8 MB. Free memory was 59.4 MB in the beginning and 59.4 MB in the end (delta: 41.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 671.33 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 41.4 MB in the beginning and 62.6 MB in the end (delta: -21.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.47 ms. Allocated memory is still 104.9 MB. Free memory was 62.6 MB in the beginning and 60.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.70 ms. Allocated memory is still 104.9 MB. Free memory was 60.2 MB in the beginning and 58.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1894.50 ms. Allocated memory is still 104.9 MB. Free memory was 58.1 MB in the beginning and 55.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2804.39 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 55.0 MB in the beginning and 38.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. * Witness Printer took 195.73 ms. Allocated memory is still 127.9 MB. Free memory was 38.9 MB in the beginning and 75.1 MB in the end (delta: -36.3 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L714] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L715] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L716] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L718] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L720] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L722] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L723] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L724] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L725] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L726] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L727] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L728] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0] [L729] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L730] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L731] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0] [L732] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L733] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L734] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L735] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L736] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L737] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L738] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L817] 0 pthread_t t897; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L818] FCALL, FORK 0 pthread_create(&t897, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L819] 0 pthread_t t898; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L820] FCALL, FORK 0 pthread_create(&t898, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L742] 1 z$w_buff1 = z$w_buff0 [L743] 1 z$w_buff0 = 1 [L744] 1 z$w_buff1_used = z$w_buff0_used [L745] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L747] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L748] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L749] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L750] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L776] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L779] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L780] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L781] 2 z$flush_delayed = weak$$choice2 [L782] 2 z$mem_tmp = z [L783] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L783] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L784] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L784] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0) [L784] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L784] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L785] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L785] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1) [L785] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L785] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L786] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L786] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used) [L786] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L786] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L787] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L787] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L787] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L787] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L788] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L788] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2) [L788] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L788] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L789] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L789] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L789] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L789] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 __unbuffered_p1_EBX = z [L791] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L791] 2 z = z$flush_delayed ? z$mem_tmp : z [L792] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L795] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L795] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L795] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L795] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L796] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L796] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L797] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L797] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L798] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L798] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L799] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L799] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L802] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L822] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L826] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L826] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L826] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L826] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L827] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L827] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L828] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L828] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L829] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L830] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L833] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 111 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 99 SDslu, 136 SDs, 0 SdLazy, 142 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 1305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:51:48,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7197a7a6-eab6-4c55-bc3d-b29590c39a0a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...