./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y --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 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:49:09,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:49:09,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:49:09,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:49:09,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:49:09,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:49:09,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:49:09,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:49:09,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:49:09,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:49:09,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:49:09,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:49:09,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:49:09,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:49:09,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:49:09,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:49:09,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:49:09,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:49:09,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:49:09,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:49:09,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:49:09,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:49:09,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:49:09,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:49:09,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:49:09,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:49:09,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:49:09,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:49:09,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:49:09,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:49:09,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:49:09,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:49:09,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:49:09,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:49:09,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:49:09,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:49:09,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:49:09,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:49:09,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:49:09,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:49:09,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:49:09,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:49:09,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:49:09,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:49:09,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:49:09,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:49:09,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:49:09,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:49:09,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:49:09,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:49:09,679 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:49:09,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:49:09,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:49:09,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:49:09,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:49:09,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:49:09,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:49:09,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:49:09,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:49:09,681 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:49:09,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:49:09,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:49:09,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:49:09,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:49:09,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:49:09,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:49:09,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:49:09,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:49:09,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:49:09,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:49:09,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:49:09,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:49:09,683 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:49:09,684 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:49:09,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:49:09,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:49:09,684 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_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6df98e8ac4880739ff8c7fa9cf00b32c56a4c64770b2bc9bcfef3d013872fa [2021-11-13 17:49:10,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:49:10,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:49:10,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:49:10,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:49:10,050 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:49:10,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-13 17:49:10,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/data/c67d97440/787a40420a4b4a228d021dbf203b879f/FLAG14d95aded [2021-11-13 17:49:10,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:49:10,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-13 17:49:10,922 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/data/c67d97440/787a40420a4b4a228d021dbf203b879f/FLAG14d95aded [2021-11-13 17:49:11,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/data/c67d97440/787a40420a4b4a228d021dbf203b879f [2021-11-13 17:49:11,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:49:11,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:49:11,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:49:11,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:49:11,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:49:11,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:49:11" (1/1) ... [2021-11-13 17:49:11,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a78efd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:11, skipping insertion in model container [2021-11-13 17:49:11,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:49:11" (1/1) ... [2021-11-13 17:49:11,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:49:11,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:49:11,483 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_02984b91-3661-4fef-a7e3-94822f980d14/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2021-11-13 17:49:11,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:49:11,913 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:49:11,930 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_02984b91-3661-4fef-a7e3-94822f980d14/sv-benchmarks/c/pthread-wmm/rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1038,1051] [2021-11-13 17:49:11,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:49:12,034 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:49:12,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12 WrapperNode [2021-11-13 17:49:12,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:49:12,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:49:12,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:49:12,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:49:12,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:49:12,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:49:12,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:49:12,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:49:12,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:49:12,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:49:12,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:49:12,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:49:12,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (1/1) ... [2021-11-13 17:49:12,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:49:12,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:49:12,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:49:12,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:49:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:49:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 17:49:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:49:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:49:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 17:49:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 17:49:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 17:49:12,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 17:49:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:49:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 17:49:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:49:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:49:12,350 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 17:49:14,294 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:49:14,294 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 17:49:14,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:49:14 BoogieIcfgContainer [2021-11-13 17:49:14,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:49:14,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:49:14,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:49:14,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:49:14,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:49:11" (1/3) ... [2021-11-13 17:49:14,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370d1105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:49:14, skipping insertion in model container [2021-11-13 17:49:14,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:49:12" (2/3) ... [2021-11-13 17:49:14,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370d1105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:49:14, skipping insertion in model container [2021-11-13 17:49:14,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:49:14" (3/3) ... [2021-11-13 17:49:14,313 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-13 17:49:14,320 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 17:49:14,321 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:49:14,321 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 17:49:14,321 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 17:49:14,385 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,385 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,386 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,386 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,386 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,386 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,387 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,387 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,387 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,387 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,388 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,388 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,388 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,389 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,389 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,390 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,390 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,391 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,391 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,391 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,393 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,393 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,394 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,394 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,394 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,395 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,396 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,396 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,396 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,396 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,396 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,397 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,397 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,397 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,397 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,397 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,398 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,398 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,398 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,398 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,398 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,400 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,400 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,400 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,401 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,401 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,401 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,401 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,401 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,404 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,404 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,404 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,404 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,405 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,405 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,405 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,405 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,405 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,406 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,406 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,406 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,406 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,406 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,407 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,407 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,407 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,408 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,408 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,408 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,409 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,409 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,409 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,409 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,411 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,412 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,412 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,415 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,416 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,416 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,418 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,418 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,419 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,419 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,419 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,420 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,426 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,427 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,429 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,429 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,429 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,430 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,430 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,430 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,430 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,431 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,431 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,431 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,431 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,432 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,432 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,432 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,433 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,433 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,433 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,433 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,434 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,434 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,434 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,434 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,435 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,435 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,435 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,435 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,436 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,436 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,436 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,436 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,437 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,437 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,437 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,438 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,438 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,438 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,438 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,439 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,439 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,439 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,440 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,440 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,440 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,440 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,440 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,441 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,442 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,442 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,442 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,442 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,442 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,443 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,443 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,444 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,444 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,444 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,445 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,445 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,445 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,445 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,445 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,445 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,446 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,446 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,446 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,446 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,447 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,447 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,448 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,449 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,449 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,449 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,449 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,450 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,450 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,450 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,450 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,450 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,451 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,451 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,451 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,451 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,451 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,453 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,453 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,453 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,453 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,453 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,454 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,454 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,454 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,454 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,454 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,455 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,455 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,455 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,455 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,455 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,456 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,456 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,456 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,456 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,458 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,458 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,459 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,459 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,459 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,460 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,465 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,465 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,466 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,467 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,467 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,468 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,474 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,475 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,481 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,481 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,482 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,482 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,482 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,482 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,483 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,483 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,483 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,483 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,483 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,484 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,484 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,484 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,484 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,484 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,485 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,493 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,493 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,493 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,493 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,494 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,494 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,494 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,494 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,499 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,500 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,500 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,500 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,500 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,500 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,501 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,501 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,501 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,501 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,501 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,502 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,502 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,502 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,502 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,502 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,502 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,503 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,503 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,503 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,503 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,503 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,504 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,504 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,504 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,504 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,504 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,504 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,506 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,506 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:49:14,506 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 17:49:14,578 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:49:14,591 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 [2021-11-13 17:49:14,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-13 17:49:14,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 99 transitions, 208 flow [2021-11-13 17:49:14,680 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-11-13 17:49:14,680 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:49:14,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2021-11-13 17:49:14,685 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 99 transitions, 208 flow [2021-11-13 17:49:14,692 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 97 transitions, 200 flow [2021-11-13 17:49:14,717 INFO L129 PetriNetUnfolder]: 0/58 cut-off events. [2021-11-13 17:49:14,718 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:49:14,718 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:49:14,719 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] [2021-11-13 17:49:14,719 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-13 17:49:14,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:14,729 INFO L85 PathProgramCache]: Analyzing trace with hash -491542144, now seen corresponding path program 1 times [2021-11-13 17:49:14,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:14,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466734890] [2021-11-13 17:49:14,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:14,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:15,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:15,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466734890] [2021-11-13 17:49:15,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466734890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:15,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:15,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:49:15,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695137920] [2021-11-13 17:49:15,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:15,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:49:15,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:15,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:49:15,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:49:15,324 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 99 [2021-11-13 17:49:15,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 97 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:15,332 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:49:15,332 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 99 [2021-11-13 17:49:15,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:49:15,661 INFO L129 PetriNetUnfolder]: 60/468 cut-off events. [2021-11-13 17:49:15,661 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-11-13 17:49:15,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 468 events. 60/468 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2658 event pairs, 25 based on Foata normal form. 23/460 useless extension candidates. Maximal degree in co-relation 546. Up to 88 conditions per place. [2021-11-13 17:49:15,673 INFO L132 encePairwiseOnDemand]: 94/99 looper letters, 14 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2021-11-13 17:49:15,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 98 transitions, 234 flow [2021-11-13 17:49:15,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:49:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 17:49:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2021-11-13 17:49:15,699 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9191919191919192 [2021-11-13 17:49:15,700 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2021-11-13 17:49:15,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2021-11-13 17:49:15,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:49:15,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2021-11-13 17:49:15,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:15,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:15,729 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 99.0) internal successors, (396), 4 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:15,731 INFO L186 Difference]: Start difference. First operand has 102 places, 97 transitions, 200 flow. Second operand 3 states and 273 transitions. [2021-11-13 17:49:15,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 98 transitions, 234 flow [2021-11-13 17:49:15,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 17:49:15,745 INFO L242 Difference]: Finished difference. Result has 100 places, 93 transitions, 194 flow [2021-11-13 17:49:15,748 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=100, PETRI_TRANSITIONS=93} [2021-11-13 17:49:15,756 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, -2 predicate places. [2021-11-13 17:49:15,756 INFO L470 AbstractCegarLoop]: Abstraction has has 100 places, 93 transitions, 194 flow [2021-11-13 17:49:15,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:15,757 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:49:15,757 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] [2021-11-13 17:49:15,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:49:15,758 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-13 17:49:15,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:15,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1591079342, now seen corresponding path program 1 times [2021-11-13 17:49:15,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:15,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401268631] [2021-11-13 17:49:15,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:15,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:16,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:16,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401268631] [2021-11-13 17:49:16,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401268631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:16,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:16,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:49:16,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635869228] [2021-11-13 17:49:16,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:16,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:49:16,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:16,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:49:16,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:49:16,089 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 99 [2021-11-13 17:49:16,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 93 transitions, 194 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:16,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:49:16,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 99 [2021-11-13 17:49:16,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:49:16,686 INFO L129 PetriNetUnfolder]: 208/704 cut-off events. [2021-11-13 17:49:16,687 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-11-13 17:49:16,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 704 events. 208/704 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4206 event pairs, 42 based on Foata normal form. 0/682 useless extension candidates. Maximal degree in co-relation 1082. Up to 149 conditions per place. [2021-11-13 17:49:16,692 INFO L132 encePairwiseOnDemand]: 93/99 looper letters, 19 selfloop transitions, 2 changer transitions 46/134 dead transitions. [2021-11-13 17:49:16,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 134 transitions, 408 flow [2021-11-13 17:49:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:49:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-13 17:49:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 762 transitions. [2021-11-13 17:49:16,699 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8552188552188552 [2021-11-13 17:49:16,699 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 762 transitions. [2021-11-13 17:49:16,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 762 transitions. [2021-11-13 17:49:16,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:49:16,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 762 transitions. [2021-11-13 17:49:16,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 84.66666666666667) internal successors, (762), 9 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:16,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:16,709 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:16,710 INFO L186 Difference]: Start difference. First operand has 100 places, 93 transitions, 194 flow. Second operand 9 states and 762 transitions. [2021-11-13 17:49:16,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 134 transitions, 408 flow [2021-11-13 17:49:16,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 134 transitions, 390 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 17:49:16,717 INFO L242 Difference]: Finished difference. Result has 113 places, 83 transitions, 190 flow [2021-11-13 17:49:16,717 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=190, PETRI_PLACES=113, PETRI_TRANSITIONS=83} [2021-11-13 17:49:16,718 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 11 predicate places. [2021-11-13 17:49:16,718 INFO L470 AbstractCegarLoop]: Abstraction has has 113 places, 83 transitions, 190 flow [2021-11-13 17:49:16,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:16,719 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:49:16,719 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] [2021-11-13 17:49:16,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:49:16,720 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-13 17:49:16,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:16,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1756940466, now seen corresponding path program 1 times [2021-11-13 17:49:16,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:16,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272129625] [2021-11-13 17:49:16,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:16,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:17,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:17,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272129625] [2021-11-13 17:49:17,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272129625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:17,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:17,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:49:17,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221206224] [2021-11-13 17:49:17,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:17,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:49:17,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:17,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:49:17,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:49:17,123 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 99 [2021-11-13 17:49:17,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 83 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:17,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:49:17,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 99 [2021-11-13 17:49:17,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:49:17,532 INFO L129 PetriNetUnfolder]: 127/381 cut-off events. [2021-11-13 17:49:17,534 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-11-13 17:49:17,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 381 events. 127/381 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1575 event pairs, 36 based on Foata normal form. 10/372 useless extension candidates. Maximal degree in co-relation 699. Up to 120 conditions per place. [2021-11-13 17:49:17,538 INFO L132 encePairwiseOnDemand]: 93/99 looper letters, 19 selfloop transitions, 2 changer transitions 25/112 dead transitions. [2021-11-13 17:49:17,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 112 transitions, 361 flow [2021-11-13 17:49:17,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:49:17,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-13 17:49:17,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 741 transitions. [2021-11-13 17:49:17,542 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8316498316498316 [2021-11-13 17:49:17,543 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 741 transitions. [2021-11-13 17:49:17,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 741 transitions. [2021-11-13 17:49:17,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:49:17,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 741 transitions. [2021-11-13 17:49:17,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 82.33333333333333) internal successors, (741), 9 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:17,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:17,551 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:17,551 INFO L186 Difference]: Start difference. First operand has 113 places, 83 transitions, 190 flow. Second operand 9 states and 741 transitions. [2021-11-13 17:49:17,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 112 transitions, 361 flow [2021-11-13 17:49:17,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 112 transitions, 327 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-13 17:49:17,557 INFO L242 Difference]: Finished difference. Result has 104 places, 83 transitions, 194 flow [2021-11-13 17:49:17,558 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=194, PETRI_PLACES=104, PETRI_TRANSITIONS=83} [2021-11-13 17:49:17,559 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 2 predicate places. [2021-11-13 17:49:17,559 INFO L470 AbstractCegarLoop]: Abstraction has has 104 places, 83 transitions, 194 flow [2021-11-13 17:49:17,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:17,560 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:49:17,560 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, 1] [2021-11-13 17:49:17,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:49:17,561 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-13 17:49:17,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:17,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1028990539, now seen corresponding path program 1 times [2021-11-13 17:49:17,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:17,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354281860] [2021-11-13 17:49:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:17,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:18,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:18,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354281860] [2021-11-13 17:49:18,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354281860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:18,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:18,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-13 17:49:18,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739177949] [2021-11-13 17:49:18,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:18,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 17:49:18,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:18,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 17:49:18,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-11-13 17:49:18,035 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 99 [2021-11-13 17:49:18,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 83 transitions, 194 flow. Second operand has 14 states, 14 states have (on average 73.35714285714286) internal successors, (1027), 14 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:18,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:49:18,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 99 [2021-11-13 17:49:18,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:49:18,791 INFO L129 PetriNetUnfolder]: 137/419 cut-off events. [2021-11-13 17:49:18,791 INFO L130 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2021-11-13 17:49:18,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 838 conditions, 419 events. 137/419 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1745 event pairs, 10 based on Foata normal form. 6/400 useless extension candidates. Maximal degree in co-relation 783. Up to 152 conditions per place. [2021-11-13 17:49:18,797 INFO L132 encePairwiseOnDemand]: 86/99 looper letters, 29 selfloop transitions, 13 changer transitions 19/122 dead transitions. [2021-11-13 17:49:18,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 122 transitions, 423 flow [2021-11-13 17:49:18,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 17:49:18,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-11-13 17:49:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1143 transitions. [2021-11-13 17:49:18,804 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7696969696969697 [2021-11-13 17:49:18,804 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1143 transitions. [2021-11-13 17:49:18,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1143 transitions. [2021-11-13 17:49:18,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:49:18,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1143 transitions. [2021-11-13 17:49:18,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 76.2) internal successors, (1143), 15 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:18,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:18,817 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:18,817 INFO L186 Difference]: Start difference. First operand has 104 places, 83 transitions, 194 flow. Second operand 15 states and 1143 transitions. [2021-11-13 17:49:18,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 122 transitions, 423 flow [2021-11-13 17:49:18,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 122 transitions, 391 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-13 17:49:18,825 INFO L242 Difference]: Finished difference. Result has 112 places, 90 transitions, 251 flow [2021-11-13 17:49:18,825 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=251, PETRI_PLACES=112, PETRI_TRANSITIONS=90} [2021-11-13 17:49:18,826 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 10 predicate places. [2021-11-13 17:49:18,827 INFO L470 AbstractCegarLoop]: Abstraction has has 112 places, 90 transitions, 251 flow [2021-11-13 17:49:18,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 73.35714285714286) internal successors, (1027), 14 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:18,828 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:49:18,828 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, 1] [2021-11-13 17:49:18,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:49:18,829 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-13 17:49:18,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2142717911, now seen corresponding path program 2 times [2021-11-13 17:49:18,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:18,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911069769] [2021-11-13 17:49:18,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:18,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:19,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:19,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911069769] [2021-11-13 17:49:19,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911069769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:19,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:19,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 17:49:19,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205575573] [2021-11-13 17:49:19,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:19,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 17:49:19,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:19,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 17:49:19,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:49:19,329 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 99 [2021-11-13 17:49:19,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 90 transitions, 251 flow. Second operand has 11 states, 11 states have (on average 72.81818181818181) internal successors, (801), 11 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:19,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:49:19,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 99 [2021-11-13 17:49:19,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:49:20,080 INFO L129 PetriNetUnfolder]: 146/437 cut-off events. [2021-11-13 17:49:20,082 INFO L130 PetriNetUnfolder]: For 268/438 co-relation queries the response was YES. [2021-11-13 17:49:20,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 437 events. 146/437 cut-off events. For 268/438 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1923 event pairs, 29 based on Foata normal form. 11/420 useless extension candidates. Maximal degree in co-relation 1018. Up to 163 conditions per place. [2021-11-13 17:49:20,087 INFO L132 encePairwiseOnDemand]: 85/99 looper letters, 29 selfloop transitions, 14 changer transitions 26/129 dead transitions. [2021-11-13 17:49:20,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 129 transitions, 543 flow [2021-11-13 17:49:20,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:49:20,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-13 17:49:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 983 transitions. [2021-11-13 17:49:20,093 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7637917637917638 [2021-11-13 17:49:20,093 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 983 transitions. [2021-11-13 17:49:20,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 983 transitions. [2021-11-13 17:49:20,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:49:20,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 983 transitions. [2021-11-13 17:49:20,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 75.61538461538461) internal successors, (983), 13 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:20,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:20,105 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:20,105 INFO L186 Difference]: Start difference. First operand has 112 places, 90 transitions, 251 flow. Second operand 13 states and 983 transitions. [2021-11-13 17:49:20,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 129 transitions, 543 flow [2021-11-13 17:49:20,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 129 transitions, 510 flow, removed 14 selfloop flow, removed 9 redundant places. [2021-11-13 17:49:20,121 INFO L242 Difference]: Finished difference. Result has 117 places, 98 transitions, 362 flow [2021-11-13 17:49:20,121 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=362, PETRI_PLACES=117, PETRI_TRANSITIONS=98} [2021-11-13 17:49:20,127 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 15 predicate places. [2021-11-13 17:49:20,127 INFO L470 AbstractCegarLoop]: Abstraction has has 117 places, 98 transitions, 362 flow [2021-11-13 17:49:20,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 72.81818181818181) internal successors, (801), 11 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:20,130 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:49:20,130 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, 1, 1] [2021-11-13 17:49:20,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:49:20,131 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-13 17:49:20,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:20,132 INFO L85 PathProgramCache]: Analyzing trace with hash -718517137, now seen corresponding path program 1 times [2021-11-13 17:49:20,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:20,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263255317] [2021-11-13 17:49:20,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:20,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:20,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:20,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263255317] [2021-11-13 17:49:20,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263255317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:20,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:20,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 17:49:20,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325256507] [2021-11-13 17:49:20,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:20,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 17:49:20,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:20,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 17:49:20,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:49:20,523 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 99 [2021-11-13 17:49:20,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 98 transitions, 362 flow. Second operand has 9 states, 9 states have (on average 76.0) internal successors, (684), 9 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:20,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:49:20,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 99 [2021-11-13 17:49:20,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:49:21,053 INFO L129 PetriNetUnfolder]: 138/444 cut-off events. [2021-11-13 17:49:21,053 INFO L130 PetriNetUnfolder]: For 961/1176 co-relation queries the response was YES. [2021-11-13 17:49:21,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1541 conditions, 444 events. 138/444 cut-off events. For 961/1176 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2094 event pairs, 23 based on Foata normal form. 8/421 useless extension candidates. Maximal degree in co-relation 1471. Up to 159 conditions per place. [2021-11-13 17:49:21,077 INFO L132 encePairwiseOnDemand]: 89/99 looper letters, 30 selfloop transitions, 7 changer transitions 26/127 dead transitions. [2021-11-13 17:49:21,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 127 transitions, 719 flow [2021-11-13 17:49:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 17:49:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-13 17:49:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 633 transitions. [2021-11-13 17:49:21,081 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7992424242424242 [2021-11-13 17:49:21,081 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 633 transitions. [2021-11-13 17:49:21,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 633 transitions. [2021-11-13 17:49:21,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:49:21,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 633 transitions. [2021-11-13 17:49:21,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 79.125) internal successors, (633), 8 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 99.0) internal successors, (891), 9 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,089 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 99.0) internal successors, (891), 9 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,089 INFO L186 Difference]: Start difference. First operand has 117 places, 98 transitions, 362 flow. Second operand 8 states and 633 transitions. [2021-11-13 17:49:21,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 127 transitions, 719 flow [2021-11-13 17:49:21,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 127 transitions, 701 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-11-13 17:49:21,099 INFO L242 Difference]: Finished difference. Result has 116 places, 99 transitions, 397 flow [2021-11-13 17:49:21,099 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=397, PETRI_PLACES=116, PETRI_TRANSITIONS=99} [2021-11-13 17:49:21,104 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 14 predicate places. [2021-11-13 17:49:21,105 INFO L470 AbstractCegarLoop]: Abstraction has has 116 places, 99 transitions, 397 flow [2021-11-13 17:49:21,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 76.0) internal successors, (684), 9 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,106 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:49:21,106 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, 1, 1] [2021-11-13 17:49:21,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:49:21,106 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-13 17:49:21,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:21,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1794986759, now seen corresponding path program 2 times [2021-11-13 17:49:21,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:21,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596305780] [2021-11-13 17:49:21,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:21,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:21,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:21,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596305780] [2021-11-13 17:49:21,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596305780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:21,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:21,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-13 17:49:21,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597969635] [2021-11-13 17:49:21,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:21,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 17:49:21,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:21,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 17:49:21,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:49:21,421 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 99 [2021-11-13 17:49:21,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 99 transitions, 397 flow. Second operand has 11 states, 11 states have (on average 74.72727272727273) internal successors, (822), 11 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:49:21,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 99 [2021-11-13 17:49:21,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:49:21,828 INFO L129 PetriNetUnfolder]: 73/282 cut-off events. [2021-11-13 17:49:21,828 INFO L130 PetriNetUnfolder]: For 771/820 co-relation queries the response was YES. [2021-11-13 17:49:21,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 282 events. 73/282 cut-off events. For 771/820 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1050 event pairs, 21 based on Foata normal form. 8/270 useless extension candidates. Maximal degree in co-relation 944. Up to 82 conditions per place. [2021-11-13 17:49:21,831 INFO L132 encePairwiseOnDemand]: 91/99 looper letters, 24 selfloop transitions, 4 changer transitions 29/118 dead transitions. [2021-11-13 17:49:21,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 118 transitions, 662 flow [2021-11-13 17:49:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:49:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-13 17:49:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 700 transitions. [2021-11-13 17:49:21,835 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7856341189674523 [2021-11-13 17:49:21,835 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 700 transitions. [2021-11-13 17:49:21,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 700 transitions. [2021-11-13 17:49:21,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:49:21,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 700 transitions. [2021-11-13 17:49:21,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,842 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 99.0) internal successors, (990), 10 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,842 INFO L186 Difference]: Start difference. First operand has 116 places, 99 transitions, 397 flow. Second operand 9 states and 700 transitions. [2021-11-13 17:49:21,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 118 transitions, 662 flow [2021-11-13 17:49:21,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 118 transitions, 626 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-11-13 17:49:21,850 INFO L242 Difference]: Finished difference. Result has 118 places, 84 transitions, 277 flow [2021-11-13 17:49:21,850 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=277, PETRI_PLACES=118, PETRI_TRANSITIONS=84} [2021-11-13 17:49:21,851 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 16 predicate places. [2021-11-13 17:49:21,851 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 84 transitions, 277 flow [2021-11-13 17:49:21,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.72727272727273) internal successors, (822), 11 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:21,852 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:49:21,853 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, 1, 1] [2021-11-13 17:49:21,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:49:21,853 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-11-13 17:49:21,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:49:21,854 INFO L85 PathProgramCache]: Analyzing trace with hash -35685258, now seen corresponding path program 1 times [2021-11-13 17:49:21,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:49:21,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295696711] [2021-11-13 17:49:21,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:49:21,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:49:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:49:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:49:22,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:49:22,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295696711] [2021-11-13 17:49:22,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295696711] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:49:22,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:49:22,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-13 17:49:22,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495466716] [2021-11-13 17:49:22,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:49:22,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 17:49:22,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:49:22,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 17:49:22,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-13 17:49:22,441 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 99 [2021-11-13 17:49:22,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 84 transitions, 277 flow. Second operand has 12 states, 12 states have (on average 74.58333333333333) internal successors, (895), 12 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:22,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:49:22,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 99 [2021-11-13 17:49:22,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:49:22,883 INFO L129 PetriNetUnfolder]: 13/126 cut-off events. [2021-11-13 17:49:22,883 INFO L130 PetriNetUnfolder]: For 275/281 co-relation queries the response was YES. [2021-11-13 17:49:22,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 126 events. 13/126 cut-off events. For 275/281 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 212 event pairs, 3 based on Foata normal form. 6/129 useless extension candidates. Maximal degree in co-relation 347. Up to 23 conditions per place. [2021-11-13 17:49:22,884 INFO L132 encePairwiseOnDemand]: 90/99 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2021-11-13 17:49:22,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 94 transitions, 457 flow [2021-11-13 17:49:22,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 17:49:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-13 17:49:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 911 transitions. [2021-11-13 17:49:22,889 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7668350168350169 [2021-11-13 17:49:22,889 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 911 transitions. [2021-11-13 17:49:22,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 911 transitions. [2021-11-13 17:49:22,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:49:22,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 911 transitions. [2021-11-13 17:49:22,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 75.91666666666667) internal successors, (911), 12 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:22,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 99.0) internal successors, (1287), 13 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:22,898 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 99.0) internal successors, (1287), 13 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:22,898 INFO L186 Difference]: Start difference. First operand has 118 places, 84 transitions, 277 flow. Second operand 12 states and 911 transitions. [2021-11-13 17:49:22,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 94 transitions, 457 flow [2021-11-13 17:49:22,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 94 transitions, 396 flow, removed 17 selfloop flow, removed 12 redundant places. [2021-11-13 17:49:22,903 INFO L242 Difference]: Finished difference. Result has 109 places, 0 transitions, 0 flow [2021-11-13 17:49:22,903 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=109, PETRI_TRANSITIONS=0} [2021-11-13 17:49:22,904 INFO L334 CegarLoopForPetriNet]: 102 programPoint places, 7 predicate places. [2021-11-13 17:49:22,904 INFO L470 AbstractCegarLoop]: Abstraction has has 109 places, 0 transitions, 0 flow [2021-11-13 17:49:22,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 74.58333333333333) internal successors, (895), 12 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:49:22,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-13 17:49:22,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-13 17:49:22,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-11-13 17:49:22,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-11-13 17:49:22,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-11-13 17:49:22,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:49:22,914 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2021-11-13 17:49:22,919 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 17:49:22,919 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:49:22,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:49:22 BasicIcfg [2021-11-13 17:49:22,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:49:22,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:49:22,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:49:22,924 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:49:22,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:49:14" (3/4) ... [2021-11-13 17:49:22,928 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 17:49:22,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-11-13 17:49:22,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-11-13 17:49:22,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2021-11-13 17:49:22,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-13 17:49:22,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-13 17:49:22,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 17:49:23,019 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 17:49:23,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:49:23,020 INFO L158 Benchmark]: Toolchain (without parser) took 11896.83ms. Allocated memory was 98.6MB in the beginning and 239.1MB in the end (delta: 140.5MB). Free memory was 64.2MB in the beginning and 124.1MB in the end (delta: -59.9MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2021-11-13 17:49:23,021 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:49:23,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 906.53ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 59.2MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:49:23,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.42ms. Allocated memory is still 98.6MB. Free memory was 59.2MB in the beginning and 56.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 17:49:23,022 INFO L158 Benchmark]: Boogie Preprocessor took 100.15ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 52.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:49:23,023 INFO L158 Benchmark]: RCFGBuilder took 2055.18ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 52.9MB in the beginning and 76.4MB in the end (delta: -23.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2021-11-13 17:49:23,023 INFO L158 Benchmark]: TraceAbstraction took 8620.66ms. Allocated memory was 123.7MB in the beginning and 239.1MB in the end (delta: 115.3MB). Free memory was 76.4MB in the beginning and 132.4MB in the end (delta: -56.0MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2021-11-13 17:49:23,024 INFO L158 Benchmark]: Witness Printer took 95.77ms. Allocated memory is still 239.1MB. Free memory was 132.4MB in the beginning and 124.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 17:49:23,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 906.53ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 59.2MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.42ms. Allocated memory is still 98.6MB. Free memory was 59.2MB in the beginning and 56.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.15ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 52.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2055.18ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 52.9MB in the beginning and 76.4MB in the end (delta: -23.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8620.66ms. Allocated memory was 123.7MB in the beginning and 239.1MB in the end (delta: 115.3MB). Free memory was 76.4MB in the beginning and 132.4MB in the end (delta: -56.0MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Witness Printer took 95.77ms. Allocated memory is still 239.1MB. Free memory was 132.4MB in the beginning and 124.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 120 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: 8.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 2159.52ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 277 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 1797.32ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1095 IncrementalHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 64 mSDtfsCounter, 1095 mSolverCounterSat, 25.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=397occurred in iteration=6, InterpolantAutomatonStates: 78, 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: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 544 ConstructedInterpolants, 0 QuantifiedInterpolants, 2984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-13 17:49:23,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02984b91-3661-4fef-a7e3-94822f980d14/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE