./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa --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 af189c8870b49f611aa022222cf968f0c789441d4d4f9926444b1aa8c8dc68d1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:24:09,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:24:09,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:24:09,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:24:09,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:24:09,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:24:09,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:24:09,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:24:09,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:24:09,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:24:09,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:24:09,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:24:09,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:24:09,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:24:09,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:24:09,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:24:09,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:24:09,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:24:09,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:24:09,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:24:09,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:24:09,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:24:09,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:24:09,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:24:09,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:24:09,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:24:09,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:24:09,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:24:09,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:24:09,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:24:09,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:24:09,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:24:09,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:24:09,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:24:09,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:24:09,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:24:09,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:24:09,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:24:09,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:24:09,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:24:09,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:24:09,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:24:09,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:24:09,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:24:09,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:24:09,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:24:09,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:24:09,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:24:09,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:24:09,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:24:09,413 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:24:09,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:24:09,413 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:24:09,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:24:09,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:24:09,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:24:09,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:24:09,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:24:09,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:24:09,414 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:24:09,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:24:09,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:24:09,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:24:09,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:24:09,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:24:09,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:24:09,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:24:09,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:24:09,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:24:09,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:24:09,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:24:09,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:24:09,415 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:24:09,415 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:24:09,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:24:09,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:24:09,416 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_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af189c8870b49f611aa022222cf968f0c789441d4d4f9926444b1aa8c8dc68d1 [2021-12-07 00:24:09,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:24:09,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:24:09,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:24:09,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:24:09,613 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:24:09,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2021-12-07 00:24:09,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/data/e66761950/ab195da6a842492e8a1fdc84f41180f1/FLAG8ffd909ed [2021-12-07 00:24:10,068 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:24:10,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/sv-benchmarks/c/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2021-12-07 00:24:10,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/data/e66761950/ab195da6a842492e8a1fdc84f41180f1/FLAG8ffd909ed [2021-12-07 00:24:10,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/data/e66761950/ab195da6a842492e8a1fdc84f41180f1 [2021-12-07 00:24:10,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:24:10,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:24:10,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:24:10,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:24:10,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:24:10,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90b0669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10, skipping insertion in model container [2021-12-07 00:24:10,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:24:10,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:24:10,274 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_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/sv-benchmarks/c/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2021-12-07 00:24:10,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:24:10,428 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:24:10,437 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_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/sv-benchmarks/c/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2021-12-07 00:24:10,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:24:10,511 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:24:10,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10 WrapperNode [2021-12-07 00:24:10,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:24:10,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:24:10,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:24:10,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:24:10,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,559 INFO L137 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 162 [2021-12-07 00:24:10,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:24:10,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:24:10,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:24:10,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:24:10,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:24:10,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:24:10,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:24:10,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:24:10,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (1/1) ... [2021-12-07 00:24:10,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:24:10,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:24:10,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:24:10,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:24:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:24:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 00:24:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:24:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:24:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:24:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-07 00:24:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-07 00:24:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-07 00:24:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-07 00:24:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:24:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 00:24:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:24:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:24:10,655 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 00:24:10,739 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:24:10,740 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:24:11,034 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:24:11,248 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:24:11,248 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:24:11,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:24:11 BoogieIcfgContainer [2021-12-07 00:24:11,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:24:11,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:24:11,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:24:11,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:24:11,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:24:10" (1/3) ... [2021-12-07 00:24:11,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd6d2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:24:11, skipping insertion in model container [2021-12-07 00:24:11,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:24:10" (2/3) ... [2021-12-07 00:24:11,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd6d2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:24:11, skipping insertion in model container [2021-12-07 00:24:11,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:24:11" (3/3) ... [2021-12-07 00:24:11,258 INFO L111 eAbstractionObserver]: Analyzing ICFG mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2021-12-07 00:24:11,263 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 00:24:11,264 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:24:11,264 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-07 00:24:11,264 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 00:24:11,289 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,293 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,293 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,296 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,300 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,301 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,302 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,312 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,312 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,312 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,312 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,313 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:24:11,314 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-07 00:24:11,361 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:24:11,366 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 [2021-12-07 00:24:11,366 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-07 00:24:11,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 97 transitions, 204 flow [2021-12-07 00:24:11,406 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-12-07 00:24:11,406 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 00:24:11,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-12-07 00:24:11,409 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 97 transitions, 204 flow [2021-12-07 00:24:11,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 95 transitions, 196 flow [2021-12-07 00:24:11,420 INFO L129 PetriNetUnfolder]: 0/43 cut-off events. [2021-12-07 00:24:11,420 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 00:24:11,421 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:24:11,421 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] [2021-12-07 00:24:11,422 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-07 00:24:11,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:11,426 INFO L85 PathProgramCache]: Analyzing trace with hash -219724591, now seen corresponding path program 1 times [2021-12-07 00:24:11,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:11,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580916554] [2021-12-07 00:24:11,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:11,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:24:11,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:11,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580916554] [2021-12-07 00:24:11,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580916554] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:11,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:11,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:24:11,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317041018] [2021-12-07 00:24:11,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:11,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:24:11,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:11,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:24:11,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:24:11,660 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 97 [2021-12-07 00:24:11,663 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 95 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2021-12-07 00:24:11,663 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:24:11,663 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 97 [2021-12-07 00:24:11,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:24:11,733 INFO L129 PetriNetUnfolder]: 18/150 cut-off events. [2021-12-07 00:24:11,733 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-07 00:24:11,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 150 events. 18/150 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 353 event pairs, 2 based on Foata normal form. 8/148 useless extension candidates. Maximal degree in co-relation 153. Up to 31 conditions per place. [2021-12-07 00:24:11,735 INFO L132 encePairwiseOnDemand]: 92/97 looper letters, 10 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2021-12-07 00:24:11,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 223 flow [2021-12-07 00:24:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:24:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:24:11,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2021-12-07 00:24:11,746 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9347079037800687 [2021-12-07 00:24:11,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2021-12-07 00:24:11,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2021-12-07 00:24:11,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:24:11,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2021-12-07 00:24:11,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2021-12-07 00:24:11,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2021-12-07 00:24:11,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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) [2021-12-07 00:24:11,758 INFO L186 Difference]: Start difference. First operand has 100 places, 95 transitions, 196 flow. Second operand 3 states and 272 transitions. [2021-12-07 00:24:11,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 95 transitions, 223 flow [2021-12-07 00:24:11,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-07 00:24:11,763 INFO L242 Difference]: Finished difference. Result has 98 places, 91 transitions, 190 flow [2021-12-07 00:24:11,765 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=98, PETRI_TRANSITIONS=91} [2021-12-07 00:24:11,768 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, -2 predicate places. [2021-12-07 00:24:11,768 INFO L470 AbstractCegarLoop]: Abstraction has has 98 places, 91 transitions, 190 flow [2021-12-07 00:24:11,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2021-12-07 00:24:11,769 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:24:11,769 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:11,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:24:11,769 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-07 00:24:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:11,770 INFO L85 PathProgramCache]: Analyzing trace with hash 996994642, now seen corresponding path program 1 times [2021-12-07 00:24:11,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:11,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834249219] [2021-12-07 00:24:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:11,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:24:11,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:11,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834249219] [2021-12-07 00:24:11,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834249219] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:11,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:11,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:24:11,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479270612] [2021-12-07 00:24:11,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:11,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:24:11,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:11,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:24:11,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:11,918 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 97 [2021-12-07 00:24:11,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 91 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 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) [2021-12-07 00:24:11,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:24:11,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 97 [2021-12-07 00:24:11,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:24:12,207 INFO L129 PetriNetUnfolder]: 173/622 cut-off events. [2021-12-07 00:24:12,208 INFO L130 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2021-12-07 00:24:12,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 997 conditions, 622 events. 173/622 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3468 event pairs, 40 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 947. Up to 166 conditions per place. [2021-12-07 00:24:12,212 INFO L132 encePairwiseOnDemand]: 91/97 looper letters, 16 selfloop transitions, 2 changer transitions 40/124 dead transitions. [2021-12-07 00:24:12,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 124 transitions, 368 flow [2021-12-07 00:24:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:24:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 00:24:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 744 transitions. [2021-12-07 00:24:12,217 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.852233676975945 [2021-12-07 00:24:12,217 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 744 transitions. [2021-12-07 00:24:12,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 744 transitions. [2021-12-07 00:24:12,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:24:12,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 744 transitions. [2021-12-07 00:24:12,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 82.66666666666667) internal successors, (744), 9 states have internal predecessors, (744), 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) [2021-12-07 00:24:12,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 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) [2021-12-07 00:24:12,225 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 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) [2021-12-07 00:24:12,225 INFO L186 Difference]: Start difference. First operand has 98 places, 91 transitions, 190 flow. Second operand 9 states and 744 transitions. [2021-12-07 00:24:12,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 124 transitions, 368 flow [2021-12-07 00:24:12,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 124 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-07 00:24:12,229 INFO L242 Difference]: Finished difference. Result has 111 places, 81 transitions, 186 flow [2021-12-07 00:24:12,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=186, PETRI_PLACES=111, PETRI_TRANSITIONS=81} [2021-12-07 00:24:12,229 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 11 predicate places. [2021-12-07 00:24:12,230 INFO L470 AbstractCegarLoop]: Abstraction has has 111 places, 81 transitions, 186 flow [2021-12-07 00:24:12,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.66666666666667) internal successors, (472), 6 states have internal predecessors, (472), 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) [2021-12-07 00:24:12,230 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:24:12,230 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:12,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:24:12,231 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-07 00:24:12,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:12,231 INFO L85 PathProgramCache]: Analyzing trace with hash 784671092, now seen corresponding path program 1 times [2021-12-07 00:24:12,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:12,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351254908] [2021-12-07 00:24:12,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:12,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:24:12,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:12,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351254908] [2021-12-07 00:24:12,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351254908] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:12,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:12,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:24:12,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297741603] [2021-12-07 00:24:12,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:12,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:24:12,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:12,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:24:12,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:12,341 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 97 [2021-12-07 00:24:12,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 81 transitions, 186 flow. Second operand has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 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) [2021-12-07 00:24:12,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:24:12,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 97 [2021-12-07 00:24:12,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:24:12,571 INFO L129 PetriNetUnfolder]: 167/492 cut-off events. [2021-12-07 00:24:12,571 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-12-07 00:24:12,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 492 events. 167/492 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2421 event pairs, 18 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 846. Up to 79 conditions per place. [2021-12-07 00:24:12,574 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 24 selfloop transitions, 5 changer transitions 40/133 dead transitions. [2021-12-07 00:24:12,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 133 transitions, 430 flow [2021-12-07 00:24:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:24:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-07 00:24:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 831 transitions. [2021-12-07 00:24:12,577 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.856701030927835 [2021-12-07 00:24:12,577 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 831 transitions. [2021-12-07 00:24:12,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 831 transitions. [2021-12-07 00:24:12,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:24:12,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 831 transitions. [2021-12-07 00:24:12,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 83.1) internal successors, (831), 10 states have internal predecessors, (831), 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) [2021-12-07 00:24:12,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 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) [2021-12-07 00:24:12,582 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 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) [2021-12-07 00:24:12,583 INFO L186 Difference]: Start difference. First operand has 111 places, 81 transitions, 186 flow. Second operand 10 states and 831 transitions. [2021-12-07 00:24:12,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 133 transitions, 430 flow [2021-12-07 00:24:12,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 133 transitions, 414 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-12-07 00:24:12,587 INFO L242 Difference]: Finished difference. Result has 102 places, 82 transitions, 212 flow [2021-12-07 00:24:12,587 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=212, PETRI_PLACES=102, PETRI_TRANSITIONS=82} [2021-12-07 00:24:12,588 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 2 predicate places. [2021-12-07 00:24:12,588 INFO L470 AbstractCegarLoop]: Abstraction has has 102 places, 82 transitions, 212 flow [2021-12-07 00:24:12,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 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) [2021-12-07 00:24:12,588 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:24:12,588 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] [2021-12-07 00:24:12,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:24:12,589 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-07 00:24:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1069577311, now seen corresponding path program 1 times [2021-12-07 00:24:12,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:12,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346073532] [2021-12-07 00:24:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:12,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:24:12,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:12,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346073532] [2021-12-07 00:24:12,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346073532] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:12,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:12,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:24:12,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720592519] [2021-12-07 00:24:12,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:12,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:24:12,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:12,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:24:12,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:24:12,748 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 97 [2021-12-07 00:24:12,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 82 transitions, 212 flow. Second operand has 7 states, 7 states have (on average 77.85714285714286) internal successors, (545), 7 states have internal predecessors, (545), 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) [2021-12-07 00:24:12,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:24:12,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 97 [2021-12-07 00:24:12,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:24:12,900 INFO L129 PetriNetUnfolder]: 35/183 cut-off events. [2021-12-07 00:24:12,900 INFO L130 PetriNetUnfolder]: For 94/94 co-relation queries the response was YES. [2021-12-07 00:24:12,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 183 events. 35/183 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 508 event pairs, 6 based on Foata normal form. 7/187 useless extension candidates. Maximal degree in co-relation 365. Up to 26 conditions per place. [2021-12-07 00:24:12,901 INFO L132 encePairwiseOnDemand]: 89/97 looper letters, 16 selfloop transitions, 7 changer transitions 19/106 dead transitions. [2021-12-07 00:24:12,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 106 transitions, 389 flow [2021-12-07 00:24:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:24:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-07 00:24:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 804 transitions. [2021-12-07 00:24:12,904 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8288659793814434 [2021-12-07 00:24:12,904 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 804 transitions. [2021-12-07 00:24:12,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 804 transitions. [2021-12-07 00:24:12,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:24:12,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 804 transitions. [2021-12-07 00:24:12,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 80.4) internal successors, (804), 10 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:24:12,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 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) [2021-12-07 00:24:12,909 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 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) [2021-12-07 00:24:12,909 INFO L186 Difference]: Start difference. First operand has 102 places, 82 transitions, 212 flow. Second operand 10 states and 804 transitions. [2021-12-07 00:24:12,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 106 transitions, 389 flow [2021-12-07 00:24:12,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 106 transitions, 350 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-12-07 00:24:12,912 INFO L242 Difference]: Finished difference. Result has 105 places, 82 transitions, 224 flow [2021-12-07 00:24:12,913 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=224, PETRI_PLACES=105, PETRI_TRANSITIONS=82} [2021-12-07 00:24:12,913 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 5 predicate places. [2021-12-07 00:24:12,913 INFO L470 AbstractCegarLoop]: Abstraction has has 105 places, 82 transitions, 224 flow [2021-12-07 00:24:12,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 77.85714285714286) internal successors, (545), 7 states have internal predecessors, (545), 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) [2021-12-07 00:24:12,914 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:24:12,914 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] [2021-12-07 00:24:12,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:24:12,914 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-07 00:24:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:12,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1046660456, now seen corresponding path program 1 times [2021-12-07 00:24:12,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:12,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678426360] [2021-12-07 00:24:12,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:12,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:24:13,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:13,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678426360] [2021-12-07 00:24:13,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678426360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:13,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:13,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:24:13,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194732791] [2021-12-07 00:24:13,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:13,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:24:13,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:13,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:24:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:24:13,074 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 97 [2021-12-07 00:24:13,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 82 transitions, 224 flow. Second operand has 9 states, 9 states have (on average 74.22222222222223) internal successors, (668), 9 states have internal predecessors, (668), 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) [2021-12-07 00:24:13,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:24:13,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 97 [2021-12-07 00:24:13,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:24:13,296 INFO L129 PetriNetUnfolder]: 25/179 cut-off events. [2021-12-07 00:24:13,296 INFO L130 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2021-12-07 00:24:13,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 179 events. 25/179 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 440 event pairs, 3 based on Foata normal form. 1/177 useless extension candidates. Maximal degree in co-relation 304. Up to 28 conditions per place. [2021-12-07 00:24:13,297 INFO L132 encePairwiseOnDemand]: 87/97 looper letters, 20 selfloop transitions, 1 changer transitions 19/102 dead transitions. [2021-12-07 00:24:13,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 102 transitions, 344 flow [2021-12-07 00:24:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:24:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 00:24:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 689 transitions. [2021-12-07 00:24:13,299 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7892325315005727 [2021-12-07 00:24:13,299 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 689 transitions. [2021-12-07 00:24:13,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 689 transitions. [2021-12-07 00:24:13,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:24:13,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 689 transitions. [2021-12-07 00:24:13,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 76.55555555555556) internal successors, (689), 9 states have internal predecessors, (689), 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) [2021-12-07 00:24:13,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 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) [2021-12-07 00:24:13,304 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 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) [2021-12-07 00:24:13,304 INFO L186 Difference]: Start difference. First operand has 105 places, 82 transitions, 224 flow. Second operand 9 states and 689 transitions. [2021-12-07 00:24:13,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 102 transitions, 344 flow [2021-12-07 00:24:13,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 102 transitions, 298 flow, removed 13 selfloop flow, removed 13 redundant places. [2021-12-07 00:24:13,307 INFO L242 Difference]: Finished difference. Result has 103 places, 82 transitions, 205 flow [2021-12-07 00:24:13,308 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=205, PETRI_PLACES=103, PETRI_TRANSITIONS=82} [2021-12-07 00:24:13,308 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 3 predicate places. [2021-12-07 00:24:13,308 INFO L470 AbstractCegarLoop]: Abstraction has has 103 places, 82 transitions, 205 flow [2021-12-07 00:24:13,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.22222222222223) internal successors, (668), 9 states have internal predecessors, (668), 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) [2021-12-07 00:24:13,309 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:24:13,309 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] [2021-12-07 00:24:13,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:24:13,309 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-07 00:24:13,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:13,310 INFO L85 PathProgramCache]: Analyzing trace with hash -735050504, now seen corresponding path program 2 times [2021-12-07 00:24:13,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:13,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221471668] [2021-12-07 00:24:13,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:13,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:24:13,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:13,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221471668] [2021-12-07 00:24:13,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221471668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:13,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:13,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:24:13,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696981982] [2021-12-07 00:24:13,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:13,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:24:13,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:13,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:24:13,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:24:13,451 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 97 [2021-12-07 00:24:13,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 82 transitions, 205 flow. Second operand has 9 states, 9 states have (on average 74.22222222222223) internal successors, (668), 9 states have internal predecessors, (668), 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) [2021-12-07 00:24:13,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:24:13,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 97 [2021-12-07 00:24:13,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:24:13,602 INFO L129 PetriNetUnfolder]: 5/137 cut-off events. [2021-12-07 00:24:13,603 INFO L130 PetriNetUnfolder]: For 22/24 co-relation queries the response was YES. [2021-12-07 00:24:13,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 137 events. 5/137 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 239 event pairs, 0 based on Foata normal form. 1/138 useless extension candidates. Maximal degree in co-relation 230. Up to 14 conditions per place. [2021-12-07 00:24:13,604 INFO L132 encePairwiseOnDemand]: 88/97 looper letters, 18 selfloop transitions, 4 changer transitions 10/94 dead transitions. [2021-12-07 00:24:13,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 94 transitions, 323 flow [2021-12-07 00:24:13,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:24:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-07 00:24:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 753 transitions. [2021-12-07 00:24:13,607 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7762886597938145 [2021-12-07 00:24:13,607 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 753 transitions. [2021-12-07 00:24:13,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 753 transitions. [2021-12-07 00:24:13,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:24:13,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 753 transitions. [2021-12-07 00:24:13,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 75.3) internal successors, (753), 10 states have internal predecessors, (753), 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) [2021-12-07 00:24:13,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 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) [2021-12-07 00:24:13,614 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 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) [2021-12-07 00:24:13,614 INFO L186 Difference]: Start difference. First operand has 103 places, 82 transitions, 205 flow. Second operand 10 states and 753 transitions. [2021-12-07 00:24:13,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 94 transitions, 323 flow [2021-12-07 00:24:13,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 94 transitions, 292 flow, removed 15 selfloop flow, removed 6 redundant places. [2021-12-07 00:24:13,617 INFO L242 Difference]: Finished difference. Result has 105 places, 82 transitions, 210 flow [2021-12-07 00:24:13,618 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=210, PETRI_PLACES=105, PETRI_TRANSITIONS=82} [2021-12-07 00:24:13,618 INFO L334 CegarLoopForPetriNet]: 100 programPoint places, 5 predicate places. [2021-12-07 00:24:13,619 INFO L470 AbstractCegarLoop]: Abstraction has has 105 places, 82 transitions, 210 flow [2021-12-07 00:24:13,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.22222222222223) internal successors, (668), 9 states have internal predecessors, (668), 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) [2021-12-07 00:24:13,619 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:24:13,619 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] [2021-12-07 00:24:13,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:24:13,620 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-12-07 00:24:13,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:13,620 INFO L85 PathProgramCache]: Analyzing trace with hash 550650180, now seen corresponding path program 3 times [2021-12-07 00:24:13,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:13,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523786464] [2021-12-07 00:24:13,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:13,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:24:13,662 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:24:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:24:13,734 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:24:13,734 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:24:13,735 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-12-07 00:24:13,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-12-07 00:24:13,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2021-12-07 00:24:13,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2021-12-07 00:24:13,737 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2021-12-07 00:24:13,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:24:13,740 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2021-12-07 00:24:13,745 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-07 00:24:13,745 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:24:13,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:24:13 BasicIcfg [2021-12-07 00:24:13,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:24:13,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:24:13,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:24:13,828 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:24:13,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:24:11" (3/4) ... [2021-12-07 00:24:13,830 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-07 00:24:13,902 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:24:13,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:24:13,903 INFO L158 Benchmark]: Toolchain (without parser) took 3810.21ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 72.9MB in the beginning and 76.8MB in the end (delta: -3.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,903 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:24:13,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.15ms. Allocated memory is still 113.2MB. Free memory was 72.6MB in the beginning and 74.0MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.76ms. Allocated memory is still 113.2MB. Free memory was 74.0MB in the beginning and 71.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,904 INFO L158 Benchmark]: Boogie Preprocessor took 34.00ms. Allocated memory is still 113.2MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,904 INFO L158 Benchmark]: RCFGBuilder took 655.27ms. Allocated memory is still 113.2MB. Free memory was 69.7MB in the beginning and 55.0MB in the end (delta: 14.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,905 INFO L158 Benchmark]: TraceAbstraction took 2575.24ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 54.4MB in the beginning and 101.9MB in the end (delta: -47.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,905 INFO L158 Benchmark]: Witness Printer took 74.36ms. Allocated memory is still 163.6MB. Free memory was 101.9MB in the beginning and 76.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-07 00:24:13,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.15ms. Allocated memory is still 113.2MB. Free memory was 72.6MB in the beginning and 74.0MB in the end (delta: -1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.76ms. Allocated memory is still 113.2MB. Free memory was 74.0MB in the beginning and 71.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.00ms. Allocated memory is still 113.2MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.27ms. Allocated memory is still 113.2MB. Free memory was 69.7MB in the beginning and 55.0MB in the end (delta: 14.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2575.24ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 54.4MB in the beginning and 101.9MB in the end (delta: -47.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Witness Printer took 74.36ms. Allocated memory is still 163.6MB. Free memory was 101.9MB in the beginning and 76.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L714] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L715] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L716] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L718] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L720] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L721] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L722] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L723] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L724] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L725] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L726] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L727] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, 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_buff1_thd0=0, y$r_buff1_thd1=0] [L728] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, 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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L729] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L730] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L731] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, 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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L732] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, 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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L733] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L734] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$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] [L735] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, 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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L736] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L812] 0 pthread_t t305; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t305={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L813] FCALL, FORK 0 pthread_create(&t305, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t305, ((void *)0), P0, ((void *)0))=-1, t305={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L814] 0 pthread_t t306; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t305={5:0}, t306={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L815] FCALL, FORK 0 pthread_create(&t306, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t306, ((void *)0), P1, ((void *)0))=0, t305={5:0}, t306={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L740] 1 y$w_buff1 = y$w_buff0 [L741] 1 y$w_buff0 = 1 [L742] 1 y$w_buff1_used = y$w_buff0_used [L743] 1 y$w_buff0_used = (_Bool)1 [L744] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L744] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L745] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L746] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L747] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L748] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L751] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L768] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L771] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L774] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L775] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L776] 2 y$flush_delayed = weak$$choice2 [L777] 2 y$mem_tmp = y [L778] EXPR 2 !y$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) [L778] 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) [L779] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L779] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L779] EXPR 2 weak$$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$w_buff0)) [L779] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L780] EXPR 2 weak$$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$w_buff1)) [L780] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L780] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L780] 2 y$w_buff1 = weak$$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)) [L781] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L781] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L781] EXPR 2 weak$$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)) [L781] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L782] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 y$w_buff1_used = weak$$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)) [L783] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L783] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L783] EXPR 2 weak$$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)) [L783] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L784] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L784] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 __unbuffered_p1_EBX = y [L786] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L786] 2 y = y$flush_delayed ? y$mem_tmp : y [L787] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L790] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L790] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L791] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L792] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L793] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L793] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L794] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L794] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L754] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L755] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L756] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L757] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L757] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L758] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L817] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t305={5:0}, t306={3:0}, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L819] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L819] RET 0 assume_abort_if_not(main$tmp_guard0) [L821] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L821] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L821] 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) [L821] 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) [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L822] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L823] 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 [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L824] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L825] 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 [L828] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t305={5:0}, t306={3:0}, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L830] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] - 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: 815]: 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: 813]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 116 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 220 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 385 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 605 IncrementalHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 44 mSDtfsCounter, 605 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=4, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 1127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2021-12-07 00:24:13,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e1e99d-de50-42e2-a55c-9807aa2a7d50/bin/uautomizer-DrprNOufMa/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