./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix044.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix044.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb408c890b0d52a937687fd58d564d57121120b7f4647156375768e776a678b4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:49:21,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:49:21,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:49:21,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:49:21,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:49:21,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:49:21,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:49:21,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:49:21,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:49:21,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:49:21,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:49:21,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:49:21,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:49:21,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:49:21,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:49:21,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:49:21,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:49:21,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:49:21,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:49:21,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:49:21,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:49:21,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:49:21,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:49:21,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:49:21,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:49:21,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:49:21,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:49:21,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:49:21,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:49:21,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:49:21,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:49:21,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:49:21,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:49:21,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:49:21,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:49:21,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:49:21,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:49:21,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:49:21,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:49:21,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:49:21,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:49:21,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:49:21,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:49:21,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:49:21,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:49:21,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:49:21,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:49:21,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:49:21,796 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:49:21,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:49:21,797 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:49:21,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:49:21,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:49:21,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:49:21,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:49:21,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:49:21,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:49:21,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:49:21,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:49:21,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:49:21,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:49:21,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:49:21,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:49:21,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:49:21,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:49:21,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:49:21,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:49:21,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:49:21,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:49:21,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:49:21,802 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:49:21,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:49:21,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:49:21,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:49:21,803 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_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb408c890b0d52a937687fd58d564d57121120b7f4647156375768e776a678b4 [2021-10-28 22:49:22,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:49:22,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:49:22,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:49:22,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:49:22,106 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:49:22,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-wmm/mix044.opt.i [2021-10-28 22:49:22,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/data/e7c7aeee8/2bd1b7d28a8f457c8d0a3cc50f671f65/FLAGc0c68f98a [2021-10-28 22:49:22,733 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:49:22,734 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/sv-benchmarks/c/pthread-wmm/mix044.opt.i [2021-10-28 22:49:22,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/data/e7c7aeee8/2bd1b7d28a8f457c8d0a3cc50f671f65/FLAGc0c68f98a [2021-10-28 22:49:23,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/data/e7c7aeee8/2bd1b7d28a8f457c8d0a3cc50f671f65 [2021-10-28 22:49:23,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:49:23,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:49:23,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:23,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:49:23,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:49:23,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8e42fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23, skipping insertion in model container [2021-10-28 22:49:23,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:49:23,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:49:23,335 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_31c96c94-dad9-438d-9bc8-13cb4766a30e/sv-benchmarks/c/pthread-wmm/mix044.opt.i[944,957] [2021-10-28 22:49:23,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:23,606 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:49:23,621 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_31c96c94-dad9-438d-9bc8-13cb4766a30e/sv-benchmarks/c/pthread-wmm/mix044.opt.i[944,957] [2021-10-28 22:49:23,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:23,714 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:49:23,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23 WrapperNode [2021-10-28 22:49:23,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:23,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:23,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:49:23,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:49:23,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:23,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:49:23,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:49:23,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:49:23,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:49:23,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:49:23,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:49:23,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:49:23,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (1/1) ... [2021-10-28 22:49:23,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:49:23,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:23,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:23,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:49:23,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:49:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-28 22:49:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:49:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:49:23,990 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-28 22:49:23,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-28 22:49:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-28 22:49:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-28 22:49:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-28 22:49:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-28 22:49:23,991 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-28 22:49:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-28 22:49:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:49:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-28 22:49:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:49:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:49:23,995 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 22:49:26,119 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:49:26,120 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 22:49:26,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:26 BoogieIcfgContainer [2021-10-28 22:49:26,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:49:26,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:49:26,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:49:26,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:49:26,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:49:23" (1/3) ... [2021-10-28 22:49:26,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24214bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:49:26, skipping insertion in model container [2021-10-28 22:49:26,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:23" (2/3) ... [2021-10-28 22:49:26,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24214bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:49:26, skipping insertion in model container [2021-10-28 22:49:26,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:26" (3/3) ... [2021-10-28 22:49:26,133 INFO L111 eAbstractionObserver]: Analyzing ICFG mix044.opt.i [2021-10-28 22:49:26,139 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 22:49:26,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:49:26,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-28 22:49:26,140 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 22:49:26,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,192 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,192 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,193 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,193 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,194 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,196 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,197 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,198 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,198 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,199 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,199 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,200 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,202 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,203 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,203 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,203 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,204 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,204 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,205 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,206 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,207 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,208 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,209 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,209 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,210 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,210 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,210 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,211 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,211 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,211 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,227 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,228 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,237 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,238 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,238 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,238 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,239 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,240 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,240 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,241 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,241 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,243 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,243 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,244 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,244 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 22:49:26,245 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 22:49:26,298 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:49:26,305 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:49:26,306 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-28 22:49:26,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 278 flow [2021-10-28 22:49:26,383 INFO L129 PetriNetUnfolder]: 2/125 cut-off events. [2021-10-28 22:49:26,383 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 22:49:26,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 125 events. 2/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2021-10-28 22:49:26,389 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 129 transitions, 278 flow [2021-10-28 22:49:26,395 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 125 transitions, 262 flow [2021-10-28 22:49:26,427 INFO L129 PetriNetUnfolder]: 0/89 cut-off events. [2021-10-28 22:49:26,427 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 22:49:26,427 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:26,428 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] [2021-10-28 22:49:26,428 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:26,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:26,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1617521167, now seen corresponding path program 1 times [2021-10-28 22:49:26,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:26,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678759113] [2021-10-28 22:49:26,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:26,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:26,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:26,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678759113] [2021-10-28 22:49:26,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678759113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:26,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:26,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:49:26,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555321481] [2021-10-28 22:49:26,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:49:26,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:26,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:49:26,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:49:26,865 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-10-28 22:49:26,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 125 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:26,870 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:26,870 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-10-28 22:49:26,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:27,035 INFO L129 PetriNetUnfolder]: 16/249 cut-off events. [2021-10-28 22:49:27,035 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 22:49:27,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 249 events. 16/249 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 728 event pairs, 6 based on Foata normal form. 9/247 useless extension candidates. Maximal degree in co-relation 243. Up to 27 conditions per place. [2021-10-28 22:49:27,043 INFO L132 encePairwiseOnDemand]: 124/129 looper letters, 7 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2021-10-28 22:49:27,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 124 transitions, 278 flow [2021-10-28 22:49:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:49:27,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 22:49:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2021-10-28 22:49:27,067 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.958656330749354 [2021-10-28 22:49:27,067 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 371 transitions. [2021-10-28 22:49:27,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 371 transitions. [2021-10-28 22:49:27,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:27,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 371 transitions. [2021-10-28 22:49:27,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,092 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,095 INFO L186 Difference]: Start difference. First operand has 136 places, 125 transitions, 262 flow. Second operand 3 states and 371 transitions. [2021-10-28 22:49:27,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 124 transitions, 278 flow [2021-10-28 22:49:27,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 124 transitions, 274 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-28 22:49:27,107 INFO L242 Difference]: Finished difference. Result has 132 places, 121 transitions, 254 flow [2021-10-28 22:49:27,109 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=132, PETRI_TRANSITIONS=121} [2021-10-28 22:49:27,110 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, -4 predicate places. [2021-10-28 22:49:27,111 INFO L470 AbstractCegarLoop]: Abstraction has has 132 places, 121 transitions, 254 flow [2021-10-28 22:49:27,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,112 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:27,112 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, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:27,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:49:27,113 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:27,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:27,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2002647720, now seen corresponding path program 1 times [2021-10-28 22:49:27,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:27,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817448679] [2021-10-28 22:49:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:27,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:27,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:27,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817448679] [2021-10-28 22:49:27,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817448679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:27,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:27,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:49:27,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890239688] [2021-10-28 22:49:27,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:49:27,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:27,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:49:27,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:49:27,451 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 129 [2021-10-28 22:49:27,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 121 transitions, 254 flow. Second operand has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:27,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 129 [2021-10-28 22:49:27,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:27,642 INFO L129 PetriNetUnfolder]: 30/270 cut-off events. [2021-10-28 22:49:27,643 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 22:49:27,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 270 events. 30/270 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 864 event pairs, 6 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 307. Up to 36 conditions per place. [2021-10-28 22:49:27,649 INFO L132 encePairwiseOnDemand]: 122/129 looper letters, 8 selfloop transitions, 3 changer transitions 33/144 dead transitions. [2021-10-28 22:49:27,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 144 transitions, 366 flow [2021-10-28 22:49:27,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:49:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 22:49:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1079 transitions. [2021-10-28 22:49:27,656 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9293712316968131 [2021-10-28 22:49:27,660 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1079 transitions. [2021-10-28 22:49:27,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1079 transitions. [2021-10-28 22:49:27,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:27,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1079 transitions. [2021-10-28 22:49:27,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 119.88888888888889) internal successors, (1079), 9 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,672 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,673 INFO L186 Difference]: Start difference. First operand has 132 places, 121 transitions, 254 flow. Second operand 9 states and 1079 transitions. [2021-10-28 22:49:27,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 144 transitions, 366 flow [2021-10-28 22:49:27,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 144 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 22:49:27,683 INFO L242 Difference]: Finished difference. Result has 145 places, 111 transitions, 269 flow [2021-10-28 22:49:27,684 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=269, PETRI_PLACES=145, PETRI_TRANSITIONS=111} [2021-10-28 22:49:27,685 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 9 predicate places. [2021-10-28 22:49:27,685 INFO L470 AbstractCegarLoop]: Abstraction has has 145 places, 111 transitions, 269 flow [2021-10-28 22:49:27,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:27,686 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:27,686 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:27,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:49:27,687 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:27,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:27,690 INFO L85 PathProgramCache]: Analyzing trace with hash -557509543, now seen corresponding path program 1 times [2021-10-28 22:49:27,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:27,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847990730] [2021-10-28 22:49:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:27,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:27,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:27,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:27,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847990730] [2021-10-28 22:49:27,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847990730] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:27,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:27,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:49:27,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758372151] [2021-10-28 22:49:27,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:49:27,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:27,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:49:27,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:49:27,998 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 129 [2021-10-28 22:49:28,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 111 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:28,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:28,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 129 [2021-10-28 22:49:28,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:28,198 INFO L129 PetriNetUnfolder]: 26/223 cut-off events. [2021-10-28 22:49:28,200 INFO L130 PetriNetUnfolder]: For 157/157 co-relation queries the response was YES. [2021-10-28 22:49:28,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 223 events. 26/223 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 705 event pairs, 8 based on Foata normal form. 6/223 useless extension candidates. Maximal degree in co-relation 381. Up to 28 conditions per place. [2021-10-28 22:49:28,204 INFO L132 encePairwiseOnDemand]: 123/129 looper letters, 6 selfloop transitions, 2 changer transitions 10/121 dead transitions. [2021-10-28 22:49:28,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 121 transitions, 343 flow [2021-10-28 22:49:28,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:49:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 22:49:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1073 transitions. [2021-10-28 22:49:28,211 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9242032730404823 [2021-10-28 22:49:28,211 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1073 transitions. [2021-10-28 22:49:28,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1073 transitions. [2021-10-28 22:49:28,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:28,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1073 transitions. [2021-10-28 22:49:28,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 119.22222222222223) internal successors, (1073), 9 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:28,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:28,223 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:28,224 INFO L186 Difference]: Start difference. First operand has 145 places, 111 transitions, 269 flow. Second operand 9 states and 1073 transitions. [2021-10-28 22:49:28,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 121 transitions, 343 flow [2021-10-28 22:49:28,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 121 transitions, 326 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-10-28 22:49:28,237 INFO L242 Difference]: Finished difference. Result has 138 places, 111 transitions, 280 flow [2021-10-28 22:49:28,237 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=280, PETRI_PLACES=138, PETRI_TRANSITIONS=111} [2021-10-28 22:49:28,238 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 2 predicate places. [2021-10-28 22:49:28,238 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 111 transitions, 280 flow [2021-10-28 22:49:28,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:28,239 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:28,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:28,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:49:28,240 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:28,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:28,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1937207484, now seen corresponding path program 1 times [2021-10-28 22:49:28,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:28,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970977263] [2021-10-28 22:49:28,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:28,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:28,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:28,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970977263] [2021-10-28 22:49:28,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970977263] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:28,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:28,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 22:49:28,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342348876] [2021-10-28 22:49:28,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 22:49:28,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:28,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:49:28,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:49:28,801 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-10-28 22:49:28,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 111 transitions, 280 flow. Second operand has 9 states, 9 states have (on average 110.33333333333333) internal successors, (993), 9 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:28,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:28,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-10-28 22:49:28,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:29,245 INFO L129 PetriNetUnfolder]: 210/611 cut-off events. [2021-10-28 22:49:29,245 INFO L130 PetriNetUnfolder]: For 888/893 co-relation queries the response was YES. [2021-10-28 22:49:29,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1520 conditions, 611 events. 210/611 cut-off events. For 888/893 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3231 event pairs, 93 based on Foata normal form. 18/605 useless extension candidates. Maximal degree in co-relation 1452. Up to 176 conditions per place. [2021-10-28 22:49:29,257 INFO L132 encePairwiseOnDemand]: 118/129 looper letters, 13 selfloop transitions, 8 changer transitions 22/139 dead transitions. [2021-10-28 22:49:29,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 139 transitions, 450 flow [2021-10-28 22:49:29,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:49:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 22:49:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1462 transitions. [2021-10-28 22:49:29,264 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2021-10-28 22:49:29,264 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1462 transitions. [2021-10-28 22:49:29,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1462 transitions. [2021-10-28 22:49:29,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:29,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1462 transitions. [2021-10-28 22:49:29,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 112.46153846153847) internal successors, (1462), 13 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:29,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 129.0) internal successors, (1806), 14 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:29,280 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 129.0) internal successors, (1806), 14 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:29,280 INFO L186 Difference]: Start difference. First operand has 138 places, 111 transitions, 280 flow. Second operand 13 states and 1462 transitions. [2021-10-28 22:49:29,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 139 transitions, 450 flow [2021-10-28 22:49:29,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 139 transitions, 418 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-10-28 22:49:29,296 INFO L242 Difference]: Finished difference. Result has 144 places, 115 transitions, 320 flow [2021-10-28 22:49:29,296 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=320, PETRI_PLACES=144, PETRI_TRANSITIONS=115} [2021-10-28 22:49:29,296 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 8 predicate places. [2021-10-28 22:49:29,297 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 115 transitions, 320 flow [2021-10-28 22:49:29,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 110.33333333333333) internal successors, (993), 9 states have internal predecessors, (993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:29,297 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:29,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:29,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:49:29,298 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:29,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:29,299 INFO L85 PathProgramCache]: Analyzing trace with hash -319124223, now seen corresponding path program 1 times [2021-10-28 22:49:29,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:29,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657564120] [2021-10-28 22:49:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:29,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:29,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:29,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657564120] [2021-10-28 22:49:29,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657564120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:29,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:29,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:49:29,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868088610] [2021-10-28 22:49:29,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:49:29,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:29,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:49:29,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:49:29,544 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 129 [2021-10-28 22:49:29,545 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 115 transitions, 320 flow. Second operand has 6 states, 6 states have (on average 115.16666666666667) internal successors, (691), 6 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:29,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:29,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 129 [2021-10-28 22:49:29,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:30,016 INFO L129 PetriNetUnfolder]: 695/1552 cut-off events. [2021-10-28 22:49:30,017 INFO L130 PetriNetUnfolder]: For 1550/1562 co-relation queries the response was YES. [2021-10-28 22:49:30,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3701 conditions, 1552 events. 695/1552 cut-off events. For 1550/1562 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 11032 event pairs, 117 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 3631. Up to 367 conditions per place. [2021-10-28 22:49:30,045 INFO L132 encePairwiseOnDemand]: 118/129 looper letters, 29 selfloop transitions, 20 changer transitions 0/152 dead transitions. [2021-10-28 22:49:30,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 152 transitions, 492 flow [2021-10-28 22:49:30,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:49:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 22:49:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1191 transitions. [2021-10-28 22:49:30,050 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9232558139534883 [2021-10-28 22:49:30,050 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1191 transitions. [2021-10-28 22:49:30,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1191 transitions. [2021-10-28 22:49:30,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:30,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1191 transitions. [2021-10-28 22:49:30,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 119.1) internal successors, (1191), 10 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,060 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,060 INFO L186 Difference]: Start difference. First operand has 144 places, 115 transitions, 320 flow. Second operand 10 states and 1191 transitions. [2021-10-28 22:49:30,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 152 transitions, 492 flow [2021-10-28 22:49:30,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 152 transitions, 480 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-10-28 22:49:30,070 INFO L242 Difference]: Finished difference. Result has 147 places, 133 transitions, 451 flow [2021-10-28 22:49:30,071 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=451, PETRI_PLACES=147, PETRI_TRANSITIONS=133} [2021-10-28 22:49:30,071 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 11 predicate places. [2021-10-28 22:49:30,071 INFO L470 AbstractCegarLoop]: Abstraction has has 147 places, 133 transitions, 451 flow [2021-10-28 22:49:30,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.16666666666667) internal successors, (691), 6 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,072 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:30,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:30,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:49:30,073 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:30,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash -721534475, now seen corresponding path program 1 times [2021-10-28 22:49:30,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:30,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117431147] [2021-10-28 22:49:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:30,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:30,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:30,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:30,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117431147] [2021-10-28 22:49:30,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117431147] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:30,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:30,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 22:49:30,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34205954] [2021-10-28 22:49:30,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 22:49:30,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:30,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:49:30,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:49:30,222 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 129 [2021-10-28 22:49:30,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 133 transitions, 451 flow. Second operand has 7 states, 7 states have (on average 115.14285714285714) internal successors, (806), 7 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:30,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 129 [2021-10-28 22:49:30,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:30,729 INFO L129 PetriNetUnfolder]: 671/1495 cut-off events. [2021-10-28 22:49:30,729 INFO L130 PetriNetUnfolder]: For 3926/4839 co-relation queries the response was YES. [2021-10-28 22:49:30,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5397 conditions, 1495 events. 671/1495 cut-off events. For 3926/4839 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 10504 event pairs, 50 based on Foata normal form. 58/1414 useless extension candidates. Maximal degree in co-relation 5324. Up to 659 conditions per place. [2021-10-28 22:49:30,762 INFO L132 encePairwiseOnDemand]: 118/129 looper letters, 34 selfloop transitions, 38 changer transitions 0/175 dead transitions. [2021-10-28 22:49:30,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 175 transitions, 875 flow [2021-10-28 22:49:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:49:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 22:49:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1550 transitions. [2021-10-28 22:49:30,768 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9242695289206917 [2021-10-28 22:49:30,768 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1550 transitions. [2021-10-28 22:49:30,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1550 transitions. [2021-10-28 22:49:30,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:30,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1550 transitions. [2021-10-28 22:49:30,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 119.23076923076923) internal successors, (1550), 13 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 129.0) internal successors, (1806), 14 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,781 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 129.0) internal successors, (1806), 14 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,781 INFO L186 Difference]: Start difference. First operand has 147 places, 133 transitions, 451 flow. Second operand 13 states and 1550 transitions. [2021-10-28 22:49:30,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 175 transitions, 875 flow [2021-10-28 22:49:30,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 175 transitions, 873 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 22:49:30,792 INFO L242 Difference]: Finished difference. Result has 164 places, 153 transitions, 742 flow [2021-10-28 22:49:30,793 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=742, PETRI_PLACES=164, PETRI_TRANSITIONS=153} [2021-10-28 22:49:30,793 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 28 predicate places. [2021-10-28 22:49:30,793 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 153 transitions, 742 flow [2021-10-28 22:49:30,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.14285714285714) internal successors, (806), 7 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:30,794 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:30,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:30,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:49:30,795 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:30,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:30,796 INFO L85 PathProgramCache]: Analyzing trace with hash -606724426, now seen corresponding path program 1 times [2021-10-28 22:49:30,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:30,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890931258] [2021-10-28 22:49:30,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:30,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:31,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:31,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890931258] [2021-10-28 22:49:31,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890931258] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:31,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:31,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-28 22:49:31,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893671533] [2021-10-28 22:49:31,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 22:49:31,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:31,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:49:31,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:49:31,018 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 129 [2021-10-28 22:49:31,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 153 transitions, 742 flow. Second operand has 10 states, 10 states have (on average 109.5) internal successors, (1095), 10 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:31,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:31,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 129 [2021-10-28 22:49:31,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:32,638 INFO L129 PetriNetUnfolder]: 1390/4412 cut-off events. [2021-10-28 22:49:32,638 INFO L130 PetriNetUnfolder]: For 13503/16797 co-relation queries the response was YES. [2021-10-28 22:49:32,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16264 conditions, 4412 events. 1390/4412 cut-off events. For 13503/16797 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 46361 event pairs, 131 based on Foata normal form. 100/4192 useless extension candidates. Maximal degree in co-relation 16180. Up to 1258 conditions per place. [2021-10-28 22:49:32,794 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 47 selfloop transitions, 19 changer transitions 0/201 dead transitions. [2021-10-28 22:49:32,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 201 transitions, 1103 flow [2021-10-28 22:49:32,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:49:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 22:49:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1466 transitions. [2021-10-28 22:49:32,799 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.874180083482409 [2021-10-28 22:49:32,800 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1466 transitions. [2021-10-28 22:49:32,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1466 transitions. [2021-10-28 22:49:32,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:32,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1466 transitions. [2021-10-28 22:49:32,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 112.76923076923077) internal successors, (1466), 13 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:32,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 129.0) internal successors, (1806), 14 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:32,811 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 129.0) internal successors, (1806), 14 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:32,811 INFO L186 Difference]: Start difference. First operand has 164 places, 153 transitions, 742 flow. Second operand 13 states and 1466 transitions. [2021-10-28 22:49:32,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 201 transitions, 1103 flow [2021-10-28 22:49:33,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 201 transitions, 1008 flow, removed 38 selfloop flow, removed 4 redundant places. [2021-10-28 22:49:33,102 INFO L242 Difference]: Finished difference. Result has 181 places, 172 transitions, 850 flow [2021-10-28 22:49:33,103 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=850, PETRI_PLACES=181, PETRI_TRANSITIONS=172} [2021-10-28 22:49:33,103 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 45 predicate places. [2021-10-28 22:49:33,103 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 172 transitions, 850 flow [2021-10-28 22:49:33,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 109.5) internal successors, (1095), 10 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:33,104 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:33,104 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:33,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:49:33,105 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:33,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:33,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1881704704, now seen corresponding path program 2 times [2021-10-28 22:49:33,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:33,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774693674] [2021-10-28 22:49:33,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:33,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:33,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:33,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774693674] [2021-10-28 22:49:33,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774693674] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:33,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:33,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:49:33,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714871607] [2021-10-28 22:49:33,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:49:33,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:33,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:49:33,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:49:33,229 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 129 [2021-10-28 22:49:33,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 172 transitions, 850 flow. Second operand has 6 states, 6 states have (on average 117.33333333333333) internal successors, (704), 6 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:33,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:33,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 129 [2021-10-28 22:49:33,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:34,707 INFO L129 PetriNetUnfolder]: 1610/5454 cut-off events. [2021-10-28 22:49:34,708 INFO L130 PetriNetUnfolder]: For 19089/21186 co-relation queries the response was YES. [2021-10-28 22:49:34,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19564 conditions, 5454 events. 1610/5454 cut-off events. For 19089/21186 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 61350 event pairs, 254 based on Foata normal form. 97/4920 useless extension candidates. Maximal degree in co-relation 19475. Up to 1250 conditions per place. [2021-10-28 22:49:34,829 INFO L132 encePairwiseOnDemand]: 123/129 looper letters, 27 selfloop transitions, 23 changer transitions 0/202 dead transitions. [2021-10-28 22:49:34,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 202 transitions, 1232 flow [2021-10-28 22:49:34,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:49:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 22:49:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1070 transitions. [2021-10-28 22:49:34,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.921619293712317 [2021-10-28 22:49:34,834 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1070 transitions. [2021-10-28 22:49:34,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1070 transitions. [2021-10-28 22:49:34,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:34,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1070 transitions. [2021-10-28 22:49:34,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.88888888888889) internal successors, (1070), 9 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:34,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:34,842 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 129.0) internal successors, (1290), 10 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:34,842 INFO L186 Difference]: Start difference. First operand has 181 places, 172 transitions, 850 flow. Second operand 9 states and 1070 transitions. [2021-10-28 22:49:34,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 202 transitions, 1232 flow [2021-10-28 22:49:35,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 202 transitions, 1186 flow, removed 23 selfloop flow, removed 0 redundant places. [2021-10-28 22:49:35,007 INFO L242 Difference]: Finished difference. Result has 196 places, 192 transitions, 1141 flow [2021-10-28 22:49:35,008 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1141, PETRI_PLACES=196, PETRI_TRANSITIONS=192} [2021-10-28 22:49:35,008 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 60 predicate places. [2021-10-28 22:49:35,009 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 192 transitions, 1141 flow [2021-10-28 22:49:35,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.33333333333333) internal successors, (704), 6 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:35,009 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:35,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:35,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:49:35,010 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:35,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:35,011 INFO L85 PathProgramCache]: Analyzing trace with hash -104477966, now seen corresponding path program 1 times [2021-10-28 22:49:35,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:35,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324715296] [2021-10-28 22:49:35,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:35,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:35,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:35,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324715296] [2021-10-28 22:49:35,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324715296] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:35,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:35,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 22:49:35,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936487524] [2021-10-28 22:49:35,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:49:35,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:35,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:49:35,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:49:35,230 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 129 [2021-10-28 22:49:35,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 192 transitions, 1141 flow. Second operand has 8 states, 8 states have (on average 115.125) internal successors, (921), 8 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:35,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:35,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 129 [2021-10-28 22:49:35,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:37,151 INFO L129 PetriNetUnfolder]: 3520/7037 cut-off events. [2021-10-28 22:49:37,152 INFO L130 PetriNetUnfolder]: For 54764/65785 co-relation queries the response was YES. [2021-10-28 22:49:37,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34921 conditions, 7037 events. 3520/7037 cut-off events. For 54764/65785 co-relation queries the response was YES. Maximal size of possible extension queue 900. Compared 66776 event pairs, 38 based on Foata normal form. 712/6777 useless extension candidates. Maximal degree in co-relation 34824. Up to 2882 conditions per place. [2021-10-28 22:49:37,335 INFO L132 encePairwiseOnDemand]: 118/129 looper letters, 28 selfloop transitions, 58 changer transitions 25/240 dead transitions. [2021-10-28 22:49:37,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 240 transitions, 1835 flow [2021-10-28 22:49:37,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-28 22:49:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-28 22:49:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1909 transitions. [2021-10-28 22:49:37,342 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9249031007751938 [2021-10-28 22:49:37,342 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1909 transitions. [2021-10-28 22:49:37,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1909 transitions. [2021-10-28 22:49:37,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:37,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1909 transitions. [2021-10-28 22:49:37,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 119.3125) internal successors, (1909), 16 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:37,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 129.0) internal successors, (2193), 17 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:37,357 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 129.0) internal successors, (2193), 17 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:37,358 INFO L186 Difference]: Start difference. First operand has 196 places, 192 transitions, 1141 flow. Second operand 16 states and 1909 transitions. [2021-10-28 22:49:37,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 240 transitions, 1835 flow [2021-10-28 22:49:37,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 240 transitions, 1770 flow, removed 31 selfloop flow, removed 1 redundant places. [2021-10-28 22:49:37,563 INFO L242 Difference]: Finished difference. Result has 214 places, 205 transitions, 1416 flow [2021-10-28 22:49:37,564 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1416, PETRI_PLACES=214, PETRI_TRANSITIONS=205} [2021-10-28 22:49:37,564 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 78 predicate places. [2021-10-28 22:49:37,564 INFO L470 AbstractCegarLoop]: Abstraction has has 214 places, 205 transitions, 1416 flow [2021-10-28 22:49:37,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 115.125) internal successors, (921), 8 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:37,565 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:37,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:37,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:49:37,566 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:37,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:37,567 INFO L85 PathProgramCache]: Analyzing trace with hash 551743544, now seen corresponding path program 1 times [2021-10-28 22:49:37,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:37,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955439266] [2021-10-28 22:49:37,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:37,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:37,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:37,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955439266] [2021-10-28 22:49:37,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955439266] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:37,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:37,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 22:49:37,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701434519] [2021-10-28 22:49:37,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 22:49:37,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:37,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 22:49:37,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:49:37,724 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 129 [2021-10-28 22:49:37,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 205 transitions, 1416 flow. Second operand has 9 states, 9 states have (on average 115.11111111111111) internal successors, (1036), 9 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:37,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:37,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 129 [2021-10-28 22:49:37,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:39,778 INFO L129 PetriNetUnfolder]: 3118/6365 cut-off events. [2021-10-28 22:49:39,779 INFO L130 PetriNetUnfolder]: For 64270/76122 co-relation queries the response was YES. [2021-10-28 22:49:39,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35927 conditions, 6365 events. 3118/6365 cut-off events. For 64270/76122 co-relation queries the response was YES. Maximal size of possible extension queue 900. Compared 61962 event pairs, 3 based on Foata normal form. 598/5997 useless extension candidates. Maximal degree in co-relation 35873. Up to 2527 conditions per place. [2021-10-28 22:49:39,928 INFO L132 encePairwiseOnDemand]: 118/129 looper letters, 22 selfloop transitions, 63 changer transitions 41/237 dead transitions. [2021-10-28 22:49:39,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 237 transitions, 1919 flow [2021-10-28 22:49:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-28 22:49:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-28 22:49:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2248 transitions. [2021-10-28 22:49:39,937 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9171766625866993 [2021-10-28 22:49:39,937 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2248 transitions. [2021-10-28 22:49:39,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2248 transitions. [2021-10-28 22:49:39,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:39,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2248 transitions. [2021-10-28 22:49:39,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 118.3157894736842) internal successors, (2248), 19 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 129.0) internal successors, (2580), 20 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,956 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 129.0) internal successors, (2580), 20 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,956 INFO L186 Difference]: Start difference. First operand has 214 places, 205 transitions, 1416 flow. Second operand 19 states and 2248 transitions. [2021-10-28 22:49:39,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 237 transitions, 1919 flow [2021-10-28 22:49:42,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 237 transitions, 1448 flow, removed 192 selfloop flow, removed 21 redundant places. [2021-10-28 22:49:42,064 INFO L242 Difference]: Finished difference. Result has 215 places, 186 transitions, 1026 flow [2021-10-28 22:49:42,064 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=987, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1026, PETRI_PLACES=215, PETRI_TRANSITIONS=186} [2021-10-28 22:49:42,065 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 79 predicate places. [2021-10-28 22:49:42,065 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 186 transitions, 1026 flow [2021-10-28 22:49:42,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 115.11111111111111) internal successors, (1036), 9 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:42,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:42,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:42,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 22:49:42,066 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:42,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:42,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1352386680, now seen corresponding path program 1 times [2021-10-28 22:49:42,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:42,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474517286] [2021-10-28 22:49:42,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:42,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:42,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:42,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474517286] [2021-10-28 22:49:42,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474517286] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:42,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:42,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-28 22:49:42,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749663245] [2021-10-28 22:49:42,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 22:49:42,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:42,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:49:42,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:49:42,265 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 129 [2021-10-28 22:49:42,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 186 transitions, 1026 flow. Second operand has 10 states, 10 states have (on average 109.6) internal successors, (1096), 10 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:42,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 22:49:42,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 129 [2021-10-28 22:49:42,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 22:49:46,019 INFO L129 PetriNetUnfolder]: 7416/21628 cut-off events. [2021-10-28 22:49:46,019 INFO L130 PetriNetUnfolder]: For 51448/57142 co-relation queries the response was YES. [2021-10-28 22:49:46,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69774 conditions, 21628 events. 7416/21628 cut-off events. For 51448/57142 co-relation queries the response was YES. Maximal size of possible extension queue 3223. Compared 305116 event pairs, 10 based on Foata normal form. 21/19619 useless extension candidates. Maximal degree in co-relation 69729. Up to 2682 conditions per place. [2021-10-28 22:49:46,460 INFO L132 encePairwiseOnDemand]: 120/129 looper letters, 32 selfloop transitions, 26 changer transitions 11/231 dead transitions. [2021-10-28 22:49:46,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 231 transitions, 1436 flow [2021-10-28 22:49:46,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 22:49:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-10-28 22:49:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1555 transitions. [2021-10-28 22:49:46,465 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8610188261351052 [2021-10-28 22:49:46,465 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1555 transitions. [2021-10-28 22:49:46,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1555 transitions. [2021-10-28 22:49:46,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:46,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1555 transitions. [2021-10-28 22:49:46,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 111.07142857142857) internal successors, (1555), 14 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:46,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:46,476 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:46,476 INFO L186 Difference]: Start difference. First operand has 215 places, 186 transitions, 1026 flow. Second operand 14 states and 1555 transitions. [2021-10-28 22:49:46,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 231 transitions, 1436 flow [2021-10-28 22:49:52,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 231 transitions, 1290 flow, removed 25 selfloop flow, removed 23 redundant places. [2021-10-28 22:49:52,667 INFO L242 Difference]: Finished difference. Result has 203 places, 209 transitions, 1189 flow [2021-10-28 22:49:52,668 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1189, PETRI_PLACES=203, PETRI_TRANSITIONS=209} [2021-10-28 22:49:52,668 INFO L334 CegarLoopForPetriNet]: 136 programPoint places, 67 predicate places. [2021-10-28 22:49:52,668 INFO L470 AbstractCegarLoop]: Abstraction has has 203 places, 209 transitions, 1189 flow [2021-10-28 22:49:52,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 109.6) internal successors, (1096), 10 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:52,670 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 22:49:52,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:52,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 22:49:52,671 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 22:49:52,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:52,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1853439030, now seen corresponding path program 2 times [2021-10-28 22:49:52,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:52,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303952428] [2021-10-28 22:49:52,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:52,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:52,721 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:52,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:52,840 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:49:52,841 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:49:52,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:49:52,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 22:49:52,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-28 22:49:52,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-28 22:49:52,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-28 22:49:52,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:49:52,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 22:49:52,851 INFO L731 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:52,857 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 22:49:52,857 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:49:53,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:49:53 BasicIcfg [2021-10-28 22:49:53,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:49:53,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:49:53,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:49:53,049 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:49:53,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:26" (3/4) ... [2021-10-28 22:49:53,052 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 22:49:53,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:49:53,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:49:53,261 INFO L168 Benchmark]: Toolchain (without parser) took 30222.02 ms. Allocated memory was 109.1 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 72.0 MB in the beginning and 5.3 GB in the end (delta: -5.2 GB). Peak memory consumption was 701.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:53,262 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 84.7 MB in the end (delta: 24.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:53,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.64 ms. Allocated memory is still 109.1 MB. Free memory was 71.7 MB in the beginning and 68.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:53,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.74 ms. Allocated memory is still 109.1 MB. Free memory was 68.9 MB in the beginning and 65.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:53,264 INFO L168 Benchmark]: Boogie Preprocessor took 98.57 ms. Allocated memory is still 109.1 MB. Free memory was 65.9 MB in the beginning and 63.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:53,264 INFO L168 Benchmark]: RCFGBuilder took 2230.78 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 63.8 MB in the beginning and 99.4 MB in the end (delta: -35.6 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:53,265 INFO L168 Benchmark]: TraceAbstraction took 26919.49 ms. Allocated memory was 132.1 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 99.4 MB in the beginning and 5.3 GB in the end (delta: -5.2 GB). Peak memory consumption was 665.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:53,265 INFO L168 Benchmark]: Witness Printer took 214.46 ms. Allocated memory is still 6.0 GB. Free memory was 5.3 GB in the beginning and 5.3 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:53,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory was 84.7 MB in the beginning and 84.7 MB in the end (delta: 24.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.64 ms. Allocated memory is still 109.1 MB. Free memory was 71.7 MB in the beginning and 68.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.74 ms. Allocated memory is still 109.1 MB. Free memory was 68.9 MB in the beginning and 65.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.57 ms. Allocated memory is still 109.1 MB. Free memory was 65.9 MB in the beginning and 63.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2230.78 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 63.8 MB in the beginning and 99.4 MB in the end (delta: -35.6 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26919.49 ms. Allocated memory was 132.1 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 99.4 MB in the beginning and 5.3 GB in the end (delta: -5.2 GB). Peak memory consumption was 665.3 MB. Max. memory is 16.1 GB. * Witness Printer took 214.46 ms. Allocated memory is still 6.0 GB. Free memory was 5.3 GB in the beginning and 5.3 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0] [L716] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L718] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L720] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L726] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L728] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L729] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L730] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L731] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L732] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L733] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L734] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L735] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L740] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L741] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L742] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L743] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L744] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L745] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L746] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1165; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t1165, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1166; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t1166, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1167; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L851] FCALL, FORK 0 pthread_create(&t1167, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1168; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] FCALL, FORK 0 pthread_create(&t1168, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 2 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L815] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L789] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L790] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L791] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L792] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L824] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L825] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L826] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L828] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L860] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L861] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L862] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 z$flush_delayed = weak$$choice2 [L869] 0 z$mem_tmp = z [L870] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L870] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 165 locations, 7 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: 26.5s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 23.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 122 SDtfs, 367 SDslu, 472 SDs, 0 SdLazy, 845 SolverSat, 192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1416occurred in iteration=9, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1061 NumberOfCodeBlocks, 1061 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 950 ConstructedInterpolants, 0 QuantifiedInterpolants, 2946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 22:49:53,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31c96c94-dad9-438d-9bc8-13cb4766a30e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...