./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix001.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix001.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G --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 21c0308f80ae5e3a4b410ebaece3730b9f788bd0cc89fb6ef65f8dd9f7120f36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:41:48,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:41:48,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:41:48,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:41:48,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:41:48,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:41:48,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:41:48,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:41:48,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:41:48,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:41:48,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:41:48,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:41:48,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:41:48,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:41:48,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:41:48,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:41:48,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:41:48,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:41:48,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:41:48,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:41:48,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:41:48,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:41:48,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:41:48,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:41:48,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:41:48,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:41:48,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:41:48,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:41:48,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:41:48,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:41:48,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:41:48,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:41:48,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:41:48,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:41:48,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:41:48,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:41:48,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:41:48,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:41:48,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:41:48,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:41:48,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:41:48,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 12:41:48,632 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:41:48,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:41:48,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:41:48,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:41:48,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:41:48,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:41:48,636 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:41:48,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:41:48,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:41:48,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:41:48,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:41:48,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:41:48,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:41:48,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:41:48,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:41:48,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:41:48,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:41:48,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:41:48,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:41:48,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:41:48,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:41:48,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:41:48,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:41:48,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:41:48,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:41:48,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:41:48,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:41:48,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:41:48,642 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:41:48,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:41:48,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:41:48,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:41:48,644 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_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21c0308f80ae5e3a4b410ebaece3730b9f788bd0cc89fb6ef65f8dd9f7120f36 [2021-11-23 12:41:49,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:41:49,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:41:49,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:41:49,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:41:49,066 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:41:49,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/pthread-wmm/mix001.opt.i [2021-11-23 12:41:49,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/data/8a9ecd900/8a488ce15f964c91b623ac72b51c0fc0/FLAG2187b360d [2021-11-23 12:41:49,787 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:41:49,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/sv-benchmarks/c/pthread-wmm/mix001.opt.i [2021-11-23 12:41:49,817 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/data/8a9ecd900/8a488ce15f964c91b623ac72b51c0fc0/FLAG2187b360d [2021-11-23 12:41:50,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/data/8a9ecd900/8a488ce15f964c91b623ac72b51c0fc0 [2021-11-23 12:41:50,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:41:50,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:41:50,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:41:50,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:41:50,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:41:50,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:50,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246915b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50, skipping insertion in model container [2021-11-23 12:41:50,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:50,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:41:50,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:41:50,372 WARN L230 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_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/sv-benchmarks/c/pthread-wmm/mix001.opt.i[944,957] [2021-11-23 12:41:50,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:41:50,727 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:41:50,741 WARN L230 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_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/sv-benchmarks/c/pthread-wmm/mix001.opt.i[944,957] [2021-11-23 12:41:50,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:41:50,840 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:41:50,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50 WrapperNode [2021-11-23 12:41:50,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:41:50,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:41:50,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:41:50,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:41:50,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:50,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:50,940 INFO L137 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 282 [2021-11-23 12:41:50,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:41:50,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:41:50,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:41:50,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:41:50,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:50,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:50,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:50,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:50,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:51,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:51,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:51,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:41:51,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:41:51,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:41:51,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:41:51,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (1/1) ... [2021-11-23 12:41:51,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:41:51,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:41:51,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:41:51,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:41:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:41:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 12:41:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:41:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:41:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:41:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 12:41:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 12:41:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 12:41:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 12:41:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 12:41:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 12:41:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:41:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 12:41:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:41:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:41:51,142 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 12:41:51,335 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:41:51,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:41:52,186 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:41:52,724 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:41:52,724 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 12:41:52,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:52 BoogieIcfgContainer [2021-11-23 12:41:52,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:41:52,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:41:52,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:41:52,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:41:52,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:41:50" (1/3) ... [2021-11-23 12:41:52,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8cf16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:41:52, skipping insertion in model container [2021-11-23 12:41:52,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:50" (2/3) ... [2021-11-23 12:41:52,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8cf16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:41:52, skipping insertion in model container [2021-11-23 12:41:52,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:52" (3/3) ... [2021-11-23 12:41:52,740 INFO L111 eAbstractionObserver]: Analyzing ICFG mix001.opt.i [2021-11-23 12:41:52,747 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 12:41:52,747 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:41:52,747 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 12:41:52,747 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 12:41:52,816 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,816 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,817 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,817 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,817 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,817 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,817 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,818 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,818 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,819 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,819 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,819 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,821 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,821 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,822 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,822 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,822 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,823 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,824 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,825 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,825 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,826 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,827 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,827 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,827 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,828 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,828 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,828 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,828 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,828 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,829 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,829 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,829 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,829 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,830 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,830 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,830 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,830 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,830 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,831 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,832 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,832 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,832 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,834 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,834 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,834 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,834 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,835 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,838 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,838 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,839 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,839 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,839 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,839 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,839 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,839 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,840 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,840 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,840 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,843 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,844 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,844 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,847 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,848 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,848 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,849 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,849 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,850 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,850 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,850 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,850 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,857 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,861 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,861 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,861 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,861 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,863 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,863 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,863 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,863 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,863 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,863 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,864 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,864 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,864 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,864 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,864 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,865 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,865 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,865 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,865 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,865 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,866 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,866 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,866 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,866 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,866 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,867 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,868 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,869 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,870 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,870 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,870 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,870 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,870 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,870 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,871 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,871 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,871 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,872 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,872 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,872 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,872 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,874 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,876 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,877 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,877 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,877 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,877 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,877 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,878 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,878 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,878 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,878 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,878 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,878 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,878 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,883 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,884 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,884 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,884 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,884 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,884 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,884 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,885 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,885 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,885 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,885 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,885 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,886 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,886 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,886 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,886 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,888 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,891 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,896 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,899 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,901 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,901 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,901 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,901 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,901 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,901 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,902 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,902 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,902 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,902 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,902 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,903 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,913 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,913 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,913 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,913 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,913 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,913 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,914 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,914 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,914 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,914 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,914 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,915 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,916 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,918 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,919 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,919 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,919 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 12:41:52,919 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 12:41:52,975 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:41:52,982 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 12:41:52,982 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 12:41:52,995 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 120 transitions, 255 flow [2021-11-23 12:41:53,049 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-11-23 12:41:53,050 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 12:41:53,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-11-23 12:41:53,054 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 120 transitions, 255 flow [2021-11-23 12:41:53,059 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 117 transitions, 243 flow [2021-11-23 12:41:53,078 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-11-23 12:41:53,078 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 12:41:53,078 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:53,079 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] [2021-11-23 12:41:53,079 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:53,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:53,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1182076203, now seen corresponding path program 1 times [2021-11-23 12:41:53,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:53,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918058817] [2021-11-23 12:41:53,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:53,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:53,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:53,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918058817] [2021-11-23 12:41:53,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918058817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:53,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:53,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 12:41:53,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371799662] [2021-11-23 12:41:53,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:53,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:41:53,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:53,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:41:53,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:41:53,479 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 120 [2021-11-23 12:41:53,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 117 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:53,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:53,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 120 [2021-11-23 12:41:53,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:53,659 INFO L129 PetriNetUnfolder]: 14/194 cut-off events. [2021-11-23 12:41:53,659 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-23 12:41:53,662 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 194 events. 14/194 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 438 event pairs, 6 based on Foata normal form. 6/189 useless extension candidates. Maximal degree in co-relation 185. Up to 25 conditions per place. [2021-11-23 12:41:53,665 INFO L132 encePairwiseOnDemand]: 115/120 looper letters, 9 selfloop transitions, 2 changer transitions 0/115 dead transitions. [2021-11-23 12:41:53,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 115 transitions, 261 flow [2021-11-23 12:41:53,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:41:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 12:41:53,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2021-11-23 12:41:53,688 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9361111111111111 [2021-11-23 12:41:53,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 337 transitions. [2021-11-23 12:41:53,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 337 transitions. [2021-11-23 12:41:53,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:53,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 337 transitions. [2021-11-23 12:41:53,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:53,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:53,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:53,727 INFO L186 Difference]: Start difference. First operand has 125 places, 117 transitions, 243 flow. Second operand 3 states and 337 transitions. [2021-11-23 12:41:53,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 115 transitions, 261 flow [2021-11-23 12:41:53,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 115 transitions, 258 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-23 12:41:53,739 INFO L242 Difference]: Finished difference. Result has 122 places, 113 transitions, 236 flow [2021-11-23 12:41:53,742 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=122, PETRI_TRANSITIONS=113} [2021-11-23 12:41:53,748 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, -3 predicate places. [2021-11-23 12:41:53,749 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 113 transitions, 236 flow [2021-11-23 12:41:53,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:53,749 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:53,750 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] [2021-11-23 12:41:53,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 12:41:53,751 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:53,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:53,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1278907714, now seen corresponding path program 1 times [2021-11-23 12:41:53,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:53,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973046412] [2021-11-23 12:41:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:53,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:54,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:54,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973046412] [2021-11-23 12:41:54,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973046412] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:54,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:54,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:41:54,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441083652] [2021-11-23 12:41:54,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:54,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 12:41:54,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:54,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 12:41:54,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:41:54,198 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 120 [2021-11-23 12:41:54,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 113 transitions, 236 flow. Second operand has 7 states, 7 states have (on average 93.28571428571429) internal successors, (653), 7 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:54,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:54,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 120 [2021-11-23 12:41:54,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:55,096 INFO L129 PetriNetUnfolder]: 939/2311 cut-off events. [2021-11-23 12:41:55,096 INFO L130 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2021-11-23 12:41:55,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3839 conditions, 2311 events. 939/2311 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 16643 event pairs, 171 based on Foata normal form. 0/2245 useless extension candidates. Maximal degree in co-relation 3778. Up to 642 conditions per place. [2021-11-23 12:41:55,122 INFO L132 encePairwiseOnDemand]: 110/120 looper letters, 23 selfloop transitions, 6 changer transitions 57/163 dead transitions. [2021-11-23 12:41:55,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 163 transitions, 492 flow [2021-11-23 12:41:55,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 12:41:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 12:41:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 987 transitions. [2021-11-23 12:41:55,128 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8225 [2021-11-23 12:41:55,128 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 987 transitions. [2021-11-23 12:41:55,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 987 transitions. [2021-11-23 12:41:55,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:55,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 987 transitions. [2021-11-23 12:41:55,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 98.7) internal successors, (987), 10 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,140 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,140 INFO L186 Difference]: Start difference. First operand has 122 places, 113 transitions, 236 flow. Second operand 10 states and 987 transitions. [2021-11-23 12:41:55,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 163 transitions, 492 flow [2021-11-23 12:41:55,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 163 transitions, 482 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 12:41:55,149 INFO L242 Difference]: Finished difference. Result has 136 places, 101 transitions, 236 flow [2021-11-23 12:41:55,149 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=236, PETRI_PLACES=136, PETRI_TRANSITIONS=101} [2021-11-23 12:41:55,150 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, 11 predicate places. [2021-11-23 12:41:55,150 INFO L470 AbstractCegarLoop]: Abstraction has has 136 places, 101 transitions, 236 flow [2021-11-23 12:41:55,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 93.28571428571429) internal successors, (653), 7 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,151 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:55,152 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] [2021-11-23 12:41:55,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 12:41:55,152 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:55,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:55,153 INFO L85 PathProgramCache]: Analyzing trace with hash 458290242, now seen corresponding path program 1 times [2021-11-23 12:41:55,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:55,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806381664] [2021-11-23 12:41:55,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:55,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:55,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:55,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806381664] [2021-11-23 12:41:55,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806381664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:55,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:55,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 12:41:55,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145624266] [2021-11-23 12:41:55,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:55,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:41:55,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:55,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:41:55,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:41:55,411 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 120 [2021-11-23 12:41:55,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 101 transitions, 236 flow. Second operand has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 6 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:55,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 120 [2021-11-23 12:41:55,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:55,750 INFO L129 PetriNetUnfolder]: 110/406 cut-off events. [2021-11-23 12:41:55,750 INFO L130 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2021-11-23 12:41:55,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 406 events. 110/406 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1965 event pairs, 14 based on Foata normal form. 8/400 useless extension candidates. Maximal degree in co-relation 679. Up to 92 conditions per place. [2021-11-23 12:41:55,755 INFO L132 encePairwiseOnDemand]: 114/120 looper letters, 21 selfloop transitions, 2 changer transitions 22/130 dead transitions. [2021-11-23 12:41:55,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 130 transitions, 409 flow [2021-11-23 12:41:55,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 12:41:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-23 12:41:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 938 transitions. [2021-11-23 12:41:55,760 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8685185185185185 [2021-11-23 12:41:55,761 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 938 transitions. [2021-11-23 12:41:55,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 938 transitions. [2021-11-23 12:41:55,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:55,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 938 transitions. [2021-11-23 12:41:55,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 104.22222222222223) internal successors, (938), 9 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 120.0) internal successors, (1200), 10 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,770 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 120.0) internal successors, (1200), 10 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,770 INFO L186 Difference]: Start difference. First operand has 136 places, 101 transitions, 236 flow. Second operand 9 states and 938 transitions. [2021-11-23 12:41:55,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 130 transitions, 409 flow [2021-11-23 12:41:55,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 130 transitions, 367 flow, removed 14 selfloop flow, removed 9 redundant places. [2021-11-23 12:41:55,779 INFO L242 Difference]: Finished difference. Result has 124 places, 101 transitions, 232 flow [2021-11-23 12:41:55,779 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=232, PETRI_PLACES=124, PETRI_TRANSITIONS=101} [2021-11-23 12:41:55,780 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, -1 predicate places. [2021-11-23 12:41:55,780 INFO L470 AbstractCegarLoop]: Abstraction has has 124 places, 101 transitions, 232 flow [2021-11-23 12:41:55,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 6 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:55,782 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:55,782 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] [2021-11-23 12:41:55,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 12:41:55,782 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:55,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:55,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1060868278, now seen corresponding path program 1 times [2021-11-23 12:41:55,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:55,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137063534] [2021-11-23 12:41:55,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:55,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:56,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:56,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137063534] [2021-11-23 12:41:56,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137063534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:56,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:56,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 12:41:56,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817441364] [2021-11-23 12:41:56,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:56,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:41:56,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:56,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:41:56,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:41:56,038 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 120 [2021-11-23 12:41:56,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 101 transitions, 232 flow. Second operand has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 6 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:56,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:56,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 120 [2021-11-23 12:41:56,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:56,359 INFO L129 PetriNetUnfolder]: 69/270 cut-off events. [2021-11-23 12:41:56,360 INFO L130 PetriNetUnfolder]: For 67/67 co-relation queries the response was YES. [2021-11-23 12:41:56,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 270 events. 69/270 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 868 event pairs, 13 based on Foata normal form. 6/264 useless extension candidates. Maximal degree in co-relation 464. Up to 81 conditions per place. [2021-11-23 12:41:56,364 INFO L132 encePairwiseOnDemand]: 114/120 looper letters, 19 selfloop transitions, 2 changer transitions 19/125 dead transitions. [2021-11-23 12:41:56,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 125 transitions, 383 flow [2021-11-23 12:41:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 12:41:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-23 12:41:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 933 transitions. [2021-11-23 12:41:56,370 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8638888888888889 [2021-11-23 12:41:56,370 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 933 transitions. [2021-11-23 12:41:56,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 933 transitions. [2021-11-23 12:41:56,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:56,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 933 transitions. [2021-11-23 12:41:56,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 103.66666666666667) internal successors, (933), 9 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:56,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 120.0) internal successors, (1200), 10 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:56,382 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 120.0) internal successors, (1200), 10 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:56,382 INFO L186 Difference]: Start difference. First operand has 124 places, 101 transitions, 232 flow. Second operand 9 states and 933 transitions. [2021-11-23 12:41:56,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 125 transitions, 383 flow [2021-11-23 12:41:56,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 125 transitions, 351 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-23 12:41:56,391 INFO L242 Difference]: Finished difference. Result has 125 places, 101 transitions, 236 flow [2021-11-23 12:41:56,392 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=236, PETRI_PLACES=125, PETRI_TRANSITIONS=101} [2021-11-23 12:41:56,394 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, 0 predicate places. [2021-11-23 12:41:56,394 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 101 transitions, 236 flow [2021-11-23 12:41:56,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.16666666666667) internal successors, (607), 6 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:56,395 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:56,396 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] [2021-11-23 12:41:56,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 12:41:56,397 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:56,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:56,398 INFO L85 PathProgramCache]: Analyzing trace with hash -305372187, now seen corresponding path program 1 times [2021-11-23 12:41:56,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:56,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312160517] [2021-11-23 12:41:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:56,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:56,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:56,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312160517] [2021-11-23 12:41:56,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312160517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:56,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:56,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 12:41:56,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734311497] [2021-11-23 12:41:56,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:56,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 12:41:56,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:56,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 12:41:56,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 12:41:56,635 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 120 [2021-11-23 12:41:56,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 101 transitions, 236 flow. Second operand has 6 states, 6 states have (on average 99.16666666666667) internal successors, (595), 6 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:56,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:56,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 120 [2021-11-23 12:41:56,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:57,208 INFO L129 PetriNetUnfolder]: 556/1214 cut-off events. [2021-11-23 12:41:57,208 INFO L130 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2021-11-23 12:41:57,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2340 conditions, 1214 events. 556/1214 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7716 event pairs, 25 based on Foata normal form. 0/1186 useless extension candidates. Maximal degree in co-relation 2275. Up to 343 conditions per place. [2021-11-23 12:41:57,220 INFO L132 encePairwiseOnDemand]: 110/120 looper letters, 28 selfloop transitions, 6 changer transitions 45/161 dead transitions. [2021-11-23 12:41:57,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 161 transitions, 525 flow [2021-11-23 12:41:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 12:41:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 12:41:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1051 transitions. [2021-11-23 12:41:57,226 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8758333333333334 [2021-11-23 12:41:57,226 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1051 transitions. [2021-11-23 12:41:57,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1051 transitions. [2021-11-23 12:41:57,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:57,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1051 transitions. [2021-11-23 12:41:57,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 105.1) internal successors, (1051), 10 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,236 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,236 INFO L186 Difference]: Start difference. First operand has 125 places, 101 transitions, 236 flow. Second operand 10 states and 1051 transitions. [2021-11-23 12:41:57,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 161 transitions, 525 flow [2021-11-23 12:41:57,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 161 transitions, 509 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-11-23 12:41:57,248 INFO L242 Difference]: Finished difference. Result has 126 places, 103 transitions, 274 flow [2021-11-23 12:41:57,249 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=274, PETRI_PLACES=126, PETRI_TRANSITIONS=103} [2021-11-23 12:41:57,252 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, 1 predicate places. [2021-11-23 12:41:57,253 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 103 transitions, 274 flow [2021-11-23 12:41:57,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 99.16666666666667) internal successors, (595), 6 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,254 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:57,254 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] [2021-11-23 12:41:57,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 12:41:57,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:57,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:57,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1242956800, now seen corresponding path program 1 times [2021-11-23 12:41:57,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:57,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275615569] [2021-11-23 12:41:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:57,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:57,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:57,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275615569] [2021-11-23 12:41:57,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275615569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:57,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:57,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:41:57,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539961549] [2021-11-23 12:41:57,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:57,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 12:41:57,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:57,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 12:41:57,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:41:57,457 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 120 [2021-11-23 12:41:57,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 103 transitions, 274 flow. Second operand has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:57,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 120 [2021-11-23 12:41:57,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:57,876 INFO L129 PetriNetUnfolder]: 212/599 cut-off events. [2021-11-23 12:41:57,876 INFO L130 PetriNetUnfolder]: For 619/619 co-relation queries the response was YES. [2021-11-23 12:41:57,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1599 conditions, 599 events. 212/599 cut-off events. For 619/619 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3177 event pairs, 21 based on Foata normal form. 22/617 useless extension candidates. Maximal degree in co-relation 1533. Up to 154 conditions per place. [2021-11-23 12:41:57,883 INFO L132 encePairwiseOnDemand]: 111/120 looper letters, 33 selfloop transitions, 9 changer transitions 35/159 dead transitions. [2021-11-23 12:41:57,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 159 transitions, 680 flow [2021-11-23 12:41:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 12:41:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 12:41:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1049 transitions. [2021-11-23 12:41:57,889 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8741666666666666 [2021-11-23 12:41:57,889 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1049 transitions. [2021-11-23 12:41:57,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1049 transitions. [2021-11-23 12:41:57,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:57,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1049 transitions. [2021-11-23 12:41:57,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 104.9) internal successors, (1049), 10 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,899 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,899 INFO L186 Difference]: Start difference. First operand has 126 places, 103 transitions, 274 flow. Second operand 10 states and 1049 transitions. [2021-11-23 12:41:57,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 159 transitions, 680 flow [2021-11-23 12:41:57,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 159 transitions, 656 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-11-23 12:41:57,909 INFO L242 Difference]: Finished difference. Result has 130 places, 106 transitions, 342 flow [2021-11-23 12:41:57,910 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=342, PETRI_PLACES=130, PETRI_TRANSITIONS=106} [2021-11-23 12:41:57,914 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, 5 predicate places. [2021-11-23 12:41:57,915 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 106 transitions, 342 flow [2021-11-23 12:41:57,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:57,916 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:57,916 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] [2021-11-23 12:41:57,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 12:41:57,916 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:57,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:57,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1002353413, now seen corresponding path program 1 times [2021-11-23 12:41:57,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:57,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146121181] [2021-11-23 12:41:57,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:57,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:58,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:58,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146121181] [2021-11-23 12:41:58,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146121181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:58,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:58,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 12:41:58,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473394198] [2021-11-23 12:41:58,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:58,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 12:41:58,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:58,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 12:41:58,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 12:41:58,167 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 120 [2021-11-23 12:41:58,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 106 transitions, 342 flow. Second operand has 8 states, 8 states have (on average 99.0) internal successors, (792), 8 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:58,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:58,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 120 [2021-11-23 12:41:58,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:58,476 INFO L129 PetriNetUnfolder]: 65/279 cut-off events. [2021-11-23 12:41:58,476 INFO L130 PetriNetUnfolder]: For 578/578 co-relation queries the response was YES. [2021-11-23 12:41:58,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 279 events. 65/279 cut-off events. For 578/578 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 981 event pairs, 8 based on Foata normal form. 8/285 useless extension candidates. Maximal degree in co-relation 738. Up to 59 conditions per place. [2021-11-23 12:41:58,480 INFO L132 encePairwiseOnDemand]: 111/120 looper letters, 23 selfloop transitions, 12 changer transitions 21/138 dead transitions. [2021-11-23 12:41:58,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 138 transitions, 628 flow [2021-11-23 12:41:58,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 12:41:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-23 12:41:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1125 transitions. [2021-11-23 12:41:58,486 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8522727272727273 [2021-11-23 12:41:58,486 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1125 transitions. [2021-11-23 12:41:58,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1125 transitions. [2021-11-23 12:41:58,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:58,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1125 transitions. [2021-11-23 12:41:58,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 102.27272727272727) internal successors, (1125), 11 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:58,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:58,496 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:58,496 INFO L186 Difference]: Start difference. First operand has 130 places, 106 transitions, 342 flow. Second operand 11 states and 1125 transitions. [2021-11-23 12:41:58,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 138 transitions, 628 flow [2021-11-23 12:41:58,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 138 transitions, 517 flow, removed 41 selfloop flow, removed 12 redundant places. [2021-11-23 12:41:58,504 INFO L242 Difference]: Finished difference. Result has 130 places, 106 transitions, 320 flow [2021-11-23 12:41:58,504 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=320, PETRI_PLACES=130, PETRI_TRANSITIONS=106} [2021-11-23 12:41:58,505 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, 5 predicate places. [2021-11-23 12:41:58,505 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 106 transitions, 320 flow [2021-11-23 12:41:58,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 99.0) internal successors, (792), 8 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:58,506 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:58,507 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] [2021-11-23 12:41:58,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 12:41:58,507 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:58,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:58,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1285464429, now seen corresponding path program 1 times [2021-11-23 12:41:58,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:58,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199829798] [2021-11-23 12:41:58,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:58,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:58,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:58,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199829798] [2021-11-23 12:41:58,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199829798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:58,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:58,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:41:58,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418670954] [2021-11-23 12:41:58,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:58,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 12:41:58,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:58,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 12:41:58,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:41:58,734 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 120 [2021-11-23 12:41:58,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 106 transitions, 320 flow. Second operand has 7 states, 7 states have (on average 92.71428571428571) internal successors, (649), 7 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:58,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:58,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 120 [2021-11-23 12:41:58,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:59,059 INFO L129 PetriNetUnfolder]: 129/491 cut-off events. [2021-11-23 12:41:59,060 INFO L130 PetriNetUnfolder]: For 271/278 co-relation queries the response was YES. [2021-11-23 12:41:59,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 491 events. 129/491 cut-off events. For 271/278 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2347 event pairs, 60 based on Foata normal form. 1/475 useless extension candidates. Maximal degree in co-relation 982. Up to 162 conditions per place. [2021-11-23 12:41:59,066 INFO L132 encePairwiseOnDemand]: 104/120 looper letters, 27 selfloop transitions, 12 changer transitions 5/124 dead transitions. [2021-11-23 12:41:59,066 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 124 transitions, 448 flow [2021-11-23 12:41:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 12:41:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-23 12:41:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 757 transitions. [2021-11-23 12:41:59,070 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7885416666666667 [2021-11-23 12:41:59,070 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 757 transitions. [2021-11-23 12:41:59,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 757 transitions. [2021-11-23 12:41:59,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:59,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 757 transitions. [2021-11-23 12:41:59,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 94.625) internal successors, (757), 8 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 120.0) internal successors, (1080), 9 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,078 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 120.0) internal successors, (1080), 9 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,078 INFO L186 Difference]: Start difference. First operand has 130 places, 106 transitions, 320 flow. Second operand 8 states and 757 transitions. [2021-11-23 12:41:59,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 124 transitions, 448 flow [2021-11-23 12:41:59,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 124 transitions, 366 flow, removed 22 selfloop flow, removed 15 redundant places. [2021-11-23 12:41:59,087 INFO L242 Difference]: Finished difference. Result has 123 places, 111 transitions, 301 flow [2021-11-23 12:41:59,087 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=301, PETRI_PLACES=123, PETRI_TRANSITIONS=111} [2021-11-23 12:41:59,090 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, -2 predicate places. [2021-11-23 12:41:59,090 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 111 transitions, 301 flow [2021-11-23 12:41:59,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.71428571428571) internal successors, (649), 7 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,091 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:59,091 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] [2021-11-23 12:41:59,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 12:41:59,092 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:59,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:59,093 INFO L85 PathProgramCache]: Analyzing trace with hash -591793363, now seen corresponding path program 2 times [2021-11-23 12:41:59,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:59,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170094554] [2021-11-23 12:41:59,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:59,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:59,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:59,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170094554] [2021-11-23 12:41:59,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170094554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:59,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:59,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:41:59,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122621907] [2021-11-23 12:41:59,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:59,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 12:41:59,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:59,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 12:41:59,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:41:59,296 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 120 [2021-11-23 12:41:59,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 111 transitions, 301 flow. Second operand has 7 states, 7 states have (on average 98.71428571428571) internal successors, (691), 7 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) [2021-11-23 12:41:59,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:59,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 120 [2021-11-23 12:41:59,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:59,555 INFO L129 PetriNetUnfolder]: 114/523 cut-off events. [2021-11-23 12:41:59,555 INFO L130 PetriNetUnfolder]: For 100/112 co-relation queries the response was YES. [2021-11-23 12:41:59,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 986 conditions, 523 events. 114/523 cut-off events. For 100/112 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2806 event pairs, 47 based on Foata normal form. 1/498 useless extension candidates. Maximal degree in co-relation 974. Up to 114 conditions per place. [2021-11-23 12:41:59,559 INFO L132 encePairwiseOnDemand]: 114/120 looper letters, 20 selfloop transitions, 1 changer transitions 17/125 dead transitions. [2021-11-23 12:41:59,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 125 transitions, 417 flow [2021-11-23 12:41:59,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 12:41:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-23 12:41:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 707 transitions. [2021-11-23 12:41:59,563 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8416666666666667 [2021-11-23 12:41:59,563 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 707 transitions. [2021-11-23 12:41:59,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 707 transitions. [2021-11-23 12:41:59,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:59,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 707 transitions. [2021-11-23 12:41:59,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 101.0) internal successors, (707), 7 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,571 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,571 INFO L186 Difference]: Start difference. First operand has 123 places, 111 transitions, 301 flow. Second operand 7 states and 707 transitions. [2021-11-23 12:41:59,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 125 transitions, 417 flow [2021-11-23 12:41:59,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 125 transitions, 394 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-11-23 12:41:59,575 INFO L242 Difference]: Finished difference. Result has 125 places, 106 transitions, 262 flow [2021-11-23 12:41:59,576 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=262, PETRI_PLACES=125, PETRI_TRANSITIONS=106} [2021-11-23 12:41:59,577 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, 0 predicate places. [2021-11-23 12:41:59,578 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 106 transitions, 262 flow [2021-11-23 12:41:59,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.71428571428571) internal successors, (691), 7 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) [2021-11-23 12:41:59,578 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:41:59,579 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] [2021-11-23 12:41:59,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 12:41:59,579 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:41:59,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:41:59,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1533707107, now seen corresponding path program 3 times [2021-11-23 12:41:59,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:41:59,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079569385] [2021-11-23 12:41:59,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:41:59,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:41:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:41:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:41:59,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:41:59,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079569385] [2021-11-23 12:41:59,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079569385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:41:59,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:41:59,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 12:41:59,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955094021] [2021-11-23 12:41:59,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:41:59,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 12:41:59,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:41:59,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 12:41:59,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 12:41:59,738 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 120 [2021-11-23 12:41:59,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 106 transitions, 262 flow. Second operand has 7 states, 7 states have (on average 98.71428571428571) internal successors, (691), 7 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) [2021-11-23 12:41:59,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:41:59,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 120 [2021-11-23 12:41:59,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:41:59,984 INFO L129 PetriNetUnfolder]: 91/456 cut-off events. [2021-11-23 12:41:59,984 INFO L130 PetriNetUnfolder]: For 39/47 co-relation queries the response was YES. [2021-11-23 12:41:59,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 456 events. 91/456 cut-off events. For 39/47 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2382 event pairs, 35 based on Foata normal form. 1/436 useless extension candidates. Maximal degree in co-relation 826. Up to 90 conditions per place. [2021-11-23 12:41:59,987 INFO L132 encePairwiseOnDemand]: 114/120 looper letters, 19 selfloop transitions, 1 changer transitions 15/122 dead transitions. [2021-11-23 12:41:59,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 122 transitions, 382 flow [2021-11-23 12:41:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 12:41:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-23 12:41:59,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 708 transitions. [2021-11-23 12:41:59,991 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8428571428571429 [2021-11-23 12:41:59,991 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 708 transitions. [2021-11-23 12:41:59,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 708 transitions. [2021-11-23 12:41:59,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:41:59,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 708 transitions. [2021-11-23 12:41:59,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 101.14285714285714) internal successors, (708), 7 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,998 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 120.0) internal successors, (960), 8 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:41:59,998 INFO L186 Difference]: Start difference. First operand has 125 places, 106 transitions, 262 flow. Second operand 7 states and 708 transitions. [2021-11-23 12:41:59,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 122 transitions, 382 flow [2021-11-23 12:42:00,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 122 transitions, 363 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-11-23 12:42:00,003 INFO L242 Difference]: Finished difference. Result has 126 places, 106 transitions, 264 flow [2021-11-23 12:42:00,004 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=264, PETRI_PLACES=126, PETRI_TRANSITIONS=106} [2021-11-23 12:42:00,005 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, 1 predicate places. [2021-11-23 12:42:00,005 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 106 transitions, 264 flow [2021-11-23 12:42:00,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.71428571428571) internal successors, (691), 7 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) [2021-11-23 12:42:00,006 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:42:00,006 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] [2021-11-23 12:42:00,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 12:42:00,006 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:42:00,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:00,007 INFO L85 PathProgramCache]: Analyzing trace with hash -174350773, now seen corresponding path program 4 times [2021-11-23 12:42:00,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:00,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272430158] [2021-11-23 12:42:00,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:00,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:42:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:42:00,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:42:00,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272430158] [2021-11-23 12:42:00,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272430158] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:42:00,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:42:00,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-23 12:42:00,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198675003] [2021-11-23 12:42:00,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:42:00,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 12:42:00,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:42:00,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 12:42:00,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-23 12:42:00,522 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 120 [2021-11-23 12:42:00,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 106 transitions, 264 flow. Second operand has 13 states, 13 states have (on average 92.84615384615384) internal successors, (1207), 13 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:42:00,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 12:42:00,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 120 [2021-11-23 12:42:00,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 12:42:00,936 INFO L129 PetriNetUnfolder]: 29/249 cut-off events. [2021-11-23 12:42:00,937 INFO L130 PetriNetUnfolder]: For 16/44 co-relation queries the response was YES. [2021-11-23 12:42:00,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 249 events. 29/249 cut-off events. For 16/44 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 857 event pairs, 5 based on Foata normal form. 1/239 useless extension candidates. Maximal degree in co-relation 409. Up to 33 conditions per place. [2021-11-23 12:42:00,941 INFO L132 encePairwiseOnDemand]: 106/120 looper letters, 15 selfloop transitions, 9 changer transitions 11/117 dead transitions. [2021-11-23 12:42:00,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 117 transitions, 370 flow [2021-11-23 12:42:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 12:42:00,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-23 12:42:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1492 transitions. [2021-11-23 12:42:00,947 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7770833333333333 [2021-11-23 12:42:00,948 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1492 transitions. [2021-11-23 12:42:00,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1492 transitions. [2021-11-23 12:42:00,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:42:00,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1492 transitions. [2021-11-23 12:42:00,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 93.25) internal successors, (1492), 16 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:42:00,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 120.0) internal successors, (2040), 17 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:42:00,961 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 120.0) internal successors, (2040), 17 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:42:00,961 INFO L186 Difference]: Start difference. First operand has 126 places, 106 transitions, 264 flow. Second operand 16 states and 1492 transitions. [2021-11-23 12:42:00,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 117 transitions, 370 flow [2021-11-23 12:42:00,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 117 transitions, 355 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-11-23 12:42:00,965 INFO L242 Difference]: Finished difference. Result has 139 places, 106 transitions, 295 flow [2021-11-23 12:42:00,966 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=295, PETRI_PLACES=139, PETRI_TRANSITIONS=106} [2021-11-23 12:42:00,967 INFO L334 CegarLoopForPetriNet]: 125 programPoint places, 14 predicate places. [2021-11-23 12:42:00,967 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 106 transitions, 295 flow [2021-11-23 12:42:00,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 92.84615384615384) internal successors, (1207), 13 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:42:00,968 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 12:42:00,968 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] [2021-11-23 12:42:00,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 12:42:00,969 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 12:42:00,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:42:00,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1124967729, now seen corresponding path program 5 times [2021-11-23 12:42:00,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:42:00,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720411003] [2021-11-23 12:42:00,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:42:00,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:42:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:42:01,048 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:42:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:42:01,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:42:01,198 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 12:42:01,199 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-23 12:42:01,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-23 12:42:01,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-23 12:42:01,202 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-23 12:42:01,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-23 12:42:01,203 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-23 12:42:01,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 12:42:01,208 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:42:01,215 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 12:42:01,215 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 12:42:01,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:42:01 BasicIcfg [2021-11-23 12:42:01,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 12:42:01,480 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:42:01,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:42:01,480 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:42:01,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:52" (3/4) ... [2021-11-23 12:42:01,483 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 12:42:01,695 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 12:42:01,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:42:01,696 INFO L158 Benchmark]: Toolchain (without parser) took 11634.45ms. Allocated memory was 130.0MB in the beginning and 270.5MB in the end (delta: 140.5MB). Free memory was 87.6MB in the beginning and 216.3MB in the end (delta: -128.7MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. [2021-11-23 12:42:01,697 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:42:01,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.07ms. Allocated memory is still 130.0MB. Free memory was 87.4MB in the beginning and 87.6MB in the end (delta: -206.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:42:01,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.18ms. Allocated memory is still 130.0MB. Free memory was 87.6MB in the beginning and 84.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:42:01,698 INFO L158 Benchmark]: Boogie Preprocessor took 88.74ms. Allocated memory is still 130.0MB. Free memory was 84.7MB in the beginning and 82.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:42:01,698 INFO L158 Benchmark]: RCFGBuilder took 1696.72ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 82.2MB in the beginning and 119.3MB in the end (delta: -37.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-11-23 12:42:01,699 INFO L158 Benchmark]: TraceAbstraction took 8749.83ms. Allocated memory was 195.0MB in the beginning and 270.5MB in the end (delta: 75.5MB). Free memory was 118.2MB in the beginning and 104.4MB in the end (delta: 13.9MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2021-11-23 12:42:01,699 INFO L158 Benchmark]: Witness Printer took 215.68ms. Allocated memory is still 270.5MB. Free memory was 104.4MB in the beginning and 216.3MB in the end (delta: -112.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-11-23 12:42:01,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.07ms. Allocated memory is still 130.0MB. Free memory was 87.4MB in the beginning and 87.6MB in the end (delta: -206.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.18ms. Allocated memory is still 130.0MB. Free memory was 87.6MB in the beginning and 84.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.74ms. Allocated memory is still 130.0MB. Free memory was 84.7MB in the beginning and 82.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1696.72ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 82.2MB in the beginning and 119.3MB in the end (delta: -37.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8749.83ms. Allocated memory was 195.0MB in the beginning and 270.5MB in the end (delta: 75.5MB). Free memory was 118.2MB in the beginning and 104.4MB in the end (delta: 13.9MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. * Witness Printer took 215.68ms. Allocated memory is still 270.5MB. Free memory was 104.4MB in the beginning and 216.3MB in the end (delta: -112.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L715] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L717] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L719] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L721] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L722] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L723] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L725] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L727] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L728] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L729] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L730] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L731] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L732] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L733] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L734] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L735] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L736] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L737] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L738] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L739] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L740] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L741] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L742] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L743] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L745] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L746] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L853] 0 pthread_t t17; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t17={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L854] FCALL, FORK 0 pthread_create(&t17, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t17, ((void *)0), P0, ((void *)0))=-2, t17={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L855] 0 pthread_t t18; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t17={5:0}, t18={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L856] FCALL, FORK 0 pthread_create(&t18, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t18, ((void *)0), P1, ((void *)0))=-1, t17={5:0}, t18={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L857] 0 pthread_t t19; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t17={5:0}, t18={6:0}, t19={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L858] FCALL, FORK 0 pthread_create(&t19, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t19, ((void *)0), P2, ((void *)0))=0, t17={5:0}, t18={6:0}, t19={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L800] 3 y$w_buff1 = y$w_buff0 [L801] 3 y$w_buff0 = 1 [L802] 3 y$w_buff1_used = y$w_buff0_used [L803] 3 y$w_buff0_used = (_Bool)1 [L804] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L804] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L805] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L806] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L807] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L808] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L809] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L812] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 3 y$flush_delayed = weak$$choice2 [L815] 3 y$mem_tmp = y [L816] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L816] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L816] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L817] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L817] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L818] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L818] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L819] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L819] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L820] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L821] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L822] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L823] 3 __unbuffered_p2_EAX = y [L824] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L824] 3 y = y$flush_delayed ? y$mem_tmp : y [L825] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L828] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L751] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L754] 1 __unbuffered_p0_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L757] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L769] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L772] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 y$flush_delayed = weak$$choice2 [L778] 2 y$mem_tmp = y [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L779] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L780] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L780] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L780] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L781] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L781] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L781] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L781] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L782] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L782] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L782] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L783] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L783] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L784] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L784] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L784] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L785] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L785] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EBX = y [L787] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L787] 2 y = y$flush_delayed ? y$mem_tmp : y [L788] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L831] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L831] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L832] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L833] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L834] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L835] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L838] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L860] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t17={5:0}, t18={6:0}, t19={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L862] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L862] RET 0 assume_abort_if_not(main$tmp_guard0) [L864] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L864] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L864] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L864] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L865] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L866] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L866] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L867] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L868] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L871] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t17={5:0}, t18={6:0}, t19={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L873] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - 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: 858]: 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: 856]: 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: 854]: 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 7 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 405 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 492 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 881 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1132 IncrementalHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 106 mSDtfsCounter, 1132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=342occurred in iteration=6, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1043 NumberOfCodeBlocks, 1043 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 938 ConstructedInterpolants, 0 QuantifiedInterpolants, 4829 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! [2021-11-23 12:42:01,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cae3eb-7b11-4752-a4bf-3ce5dd27b2e1/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE