./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.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_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/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_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/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_e745f53f-4e8c-42a9-8203-d23dfbc71c72/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 da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:41:34,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:41:34,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:41:34,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:41:34,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:41:34,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:41:34,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:41:34,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:41:34,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:41:34,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:41:34,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:41:34,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:41:34,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:41:34,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:41:34,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:41:34,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:41:34,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:41:34,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:41:34,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:41:34,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:41:34,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:41:34,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:41:34,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:41:34,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:41:34,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:41:34,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:41:34,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:41:34,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:41:34,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:41:34,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:41:34,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:41:34,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:41:34,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:41:34,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:41:34,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:41:34,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:41:34,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:41:34,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:41:34,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:41:34,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:41:34,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:41:34,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:41:34,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:41:34,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:41:34,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:41:34,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:41:34,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:41:34,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:41:34,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:41:34,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:41:34,589 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:41:34,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:41:34,589 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:41:34,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:41:34,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:41:34,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:41:34,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:41:34,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:41:34,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:41:34,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:41:34,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:41:34,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:41:34,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:41:34,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:41:34,592 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:41:34,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:41:34,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:41:34,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:41:34,593 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_e745f53f-4e8c-42a9-8203-d23dfbc71c72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da1ee67f9d4a34134c6c682362ba77c4c77858b09ffe0620532fe4446dd160da [2021-12-06 19:41:34,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:41:34,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:41:34,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:41:34,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:41:34,785 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:41:34,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2021-12-06 19:41:34,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/data/fae56ca4c/033191300f874e07ba1e13e1dde09968/FLAGf98073ceb [2021-12-06 19:41:35,302 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:41:35,303 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/sv-benchmarks/c/ldv-races/race-2_4-container_of.i [2021-12-06 19:41:35,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/data/fae56ca4c/033191300f874e07ba1e13e1dde09968/FLAGf98073ceb [2021-12-06 19:41:35,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/data/fae56ca4c/033191300f874e07ba1e13e1dde09968 [2021-12-06 19:41:35,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:41:35,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:41:35,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:41:35,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:41:35,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:41:35,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:41:35" (1/1) ... [2021-12-06 19:41:35,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717280b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:35, skipping insertion in model container [2021-12-06 19:41:35,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:41:35" (1/1) ... [2021-12-06 19:41:35,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:41:35,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:41:35,976 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 19:41:36,289 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_e745f53f-4e8c-42a9-8203-d23dfbc71c72/sv-benchmarks/c/ldv-races/race-2_4-container_of.i[75002,75015] [2021-12-06 19:41:36,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:41:36,328 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:41:36,337 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 19:41:36,361 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_e745f53f-4e8c-42a9-8203-d23dfbc71c72/sv-benchmarks/c/ldv-races/race-2_4-container_of.i[75002,75015] [2021-12-06 19:41:36,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:41:36,460 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:41:36,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36 WrapperNode [2021-12-06 19:41:36,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:41:36,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:41:36,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:41:36,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:41:36,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,525 INFO L137 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2021-12-06 19:41:36,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:41:36,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:41:36,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:41:36,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:41:36,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:41:36,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:41:36,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:41:36,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:41:36,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (1/1) ... [2021-12-06 19:41:36,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:41:36,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:41:36,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:41:36,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:41:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 19:41:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:41:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 19:41:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:41:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 19:41:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:41:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:41:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:41:36,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:41:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-12-06 19:41:36,638 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-12-06 19:41:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:41:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:41:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:41:36,640 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 19:41:36,847 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:41:36,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:41:37,033 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:41:37,063 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:41:37,063 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 19:41:37,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:41:37 BoogieIcfgContainer [2021-12-06 19:41:37,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:41:37,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:41:37,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:41:37,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:41:37,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:41:35" (1/3) ... [2021-12-06 19:41:37,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@986622f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:41:37, skipping insertion in model container [2021-12-06 19:41:37,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:41:36" (2/3) ... [2021-12-06 19:41:37,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@986622f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:41:37, skipping insertion in model container [2021-12-06 19:41:37,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:41:37" (3/3) ... [2021-12-06 19:41:37,071 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2021-12-06 19:41:37,075 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 19:41:37,075 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:41:37,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-12-06 19:41:37,075 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 19:41:37,104 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,105 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,105 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,105 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,105 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,105 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,105 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,106 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,106 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,106 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,106 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,106 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,106 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,106 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,106 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,107 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,107 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,107 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,107 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,107 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,107 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,108 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,108 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,108 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,108 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,108 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,108 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,109 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,110 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,110 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,110 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,110 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,110 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,110 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,110 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,110 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,111 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,112 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,113 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,113 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,113 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,113 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,113 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,113 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,113 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,113 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,114 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,114 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,114 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,114 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,114 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,114 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,114 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,114 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,115 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,115 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,115 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,115 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,115 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,115 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,116 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,116 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,116 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,116 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,116 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,116 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,117 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,117 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,117 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,117 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,117 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,117 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,117 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,118 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,119 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,120 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,120 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,120 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,120 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,120 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,120 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,120 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,121 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,122 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,122 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,122 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,122 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,122 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,122 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,122 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,122 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,125 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,125 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,125 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,125 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,125 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,126 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,126 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,126 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,126 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,126 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,126 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,126 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,126 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,128 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,128 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,128 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,128 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,128 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,128 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,129 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,129 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,129 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,129 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,129 WARN L322 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,129 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,129 WARN L322 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 19:41:37,131 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-06 19:41:37,171 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:41:37,178 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 [2021-12-06 19:41:37,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-12-06 19:41:37,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 175 transitions, 366 flow [2021-12-06 19:41:37,254 INFO L129 PetriNetUnfolder]: 8/226 cut-off events. [2021-12-06 19:41:37,254 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 19:41:37,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 226 events. 8/226 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 427 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 122. Up to 4 conditions per place. [2021-12-06 19:41:37,257 INFO L82 GeneralOperation]: Start removeDead. Operand has 175 places, 175 transitions, 366 flow [2021-12-06 19:41:37,263 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 161 transitions, 334 flow [2021-12-06 19:41:37,280 INFO L129 PetriNetUnfolder]: 0/96 cut-off events. [2021-12-06 19:41:37,280 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 19:41:37,281 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:41:37,281 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] [2021-12-06 19:41:37,282 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-12-06 19:41:37,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:41:37,286 INFO L85 PathProgramCache]: Analyzing trace with hash -955460015, now seen corresponding path program 1 times [2021-12-06 19:41:37,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:41:37,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783604112] [2021-12-06 19:41:37,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:41:37,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:41:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:41:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:41:37,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:41:37,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783604112] [2021-12-06 19:41:37,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783604112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:41:37,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:41:37,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:41:37,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709899414] [2021-12-06 19:41:37,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:41:37,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:41:37,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:41:37,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:41:37,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:41:37,638 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 175 [2021-12-06 19:41:37,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 161 transitions, 334 flow. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 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) [2021-12-06 19:41:37,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:41:37,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 175 [2021-12-06 19:41:37,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:41:37,770 INFO L129 PetriNetUnfolder]: 47/394 cut-off events. [2021-12-06 19:41:37,770 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-12-06 19:41:37,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 394 events. 47/394 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1658 event pairs, 47 based on Foata normal form. 8/370 useless extension candidates. Maximal degree in co-relation 359. Up to 104 conditions per place. [2021-12-06 19:41:37,774 INFO L132 encePairwiseOnDemand]: 167/175 looper letters, 22 selfloop transitions, 4 changer transitions 0/160 dead transitions. [2021-12-06 19:41:37,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 384 flow [2021-12-06 19:41:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:41:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 19:41:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 907 transitions. [2021-12-06 19:41:37,795 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8638095238095238 [2021-12-06 19:41:37,796 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 907 transitions. [2021-12-06 19:41:37,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 907 transitions. [2021-12-06 19:41:37,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:41:37,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 907 transitions. [2021-12-06 19:41:37,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 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) [2021-12-06 19:41:37,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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) [2021-12-06 19:41:37,817 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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) [2021-12-06 19:41:37,819 INFO L186 Difference]: Start difference. First operand has 163 places, 161 transitions, 334 flow. Second operand 6 states and 907 transitions. [2021-12-06 19:41:37,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 384 flow [2021-12-06 19:41:37,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 160 transitions, 376 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 19:41:37,826 INFO L242 Difference]: Finished difference. Result has 165 places, 158 transitions, 343 flow [2021-12-06 19:41:37,828 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=343, PETRI_PLACES=165, PETRI_TRANSITIONS=158} [2021-12-06 19:41:37,831 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, 2 predicate places. [2021-12-06 19:41:37,831 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 158 transitions, 343 flow [2021-12-06 19:41:37,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 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) [2021-12-06 19:41:37,832 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:41:37,832 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:41:37,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:41:37,832 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-12-06 19:41:37,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:41:37,833 INFO L85 PathProgramCache]: Analyzing trace with hash -221351835, now seen corresponding path program 1 times [2021-12-06 19:41:37,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:41:37,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556502527] [2021-12-06 19:41:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:41:37,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:41:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:41:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:41:37,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:41:37,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556502527] [2021-12-06 19:41:37,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556502527] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:41:37,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:41:37,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:41:37,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989006575] [2021-12-06 19:41:37,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:41:37,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:41:37,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:41:37,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:41:37,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:41:37,974 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 175 [2021-12-06 19:41:37,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 158 transitions, 343 flow. Second operand has 6 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 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) [2021-12-06 19:41:37,975 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:41:37,975 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 175 [2021-12-06 19:41:37,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:41:38,543 INFO L129 PetriNetUnfolder]: 975/2233 cut-off events. [2021-12-06 19:41:38,543 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 19:41:38,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3972 conditions, 2233 events. 975/2233 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 14853 event pairs, 250 based on Foata normal form. 0/2159 useless extension candidates. Maximal degree in co-relation 3919. Up to 691 conditions per place. [2021-12-06 19:41:38,564 INFO L132 encePairwiseOnDemand]: 154/175 looper letters, 100 selfloop transitions, 48 changer transitions 0/248 dead transitions. [2021-12-06 19:41:38,565 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 248 transitions, 819 flow [2021-12-06 19:41:38,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 19:41:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-06 19:41:38,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1634 transitions. [2021-12-06 19:41:38,571 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6669387755102041 [2021-12-06 19:41:38,571 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1634 transitions. [2021-12-06 19:41:38,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1634 transitions. [2021-12-06 19:41:38,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:41:38,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1634 transitions. [2021-12-06 19:41:38,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 116.71428571428571) internal successors, (1634), 14 states have internal predecessors, (1634), 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) [2021-12-06 19:41:38,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 175.0) internal successors, (2625), 15 states have internal predecessors, (2625), 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) [2021-12-06 19:41:38,588 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 175.0) internal successors, (2625), 15 states have internal predecessors, (2625), 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) [2021-12-06 19:41:38,588 INFO L186 Difference]: Start difference. First operand has 165 places, 158 transitions, 343 flow. Second operand 14 states and 1634 transitions. [2021-12-06 19:41:38,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 248 transitions, 819 flow [2021-12-06 19:41:38,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 248 transitions, 818 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 19:41:38,596 INFO L242 Difference]: Finished difference. Result has 185 places, 197 transitions, 643 flow [2021-12-06 19:41:38,597 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=643, PETRI_PLACES=185, PETRI_TRANSITIONS=197} [2021-12-06 19:41:38,598 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, 22 predicate places. [2021-12-06 19:41:38,598 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 197 transitions, 643 flow [2021-12-06 19:41:38,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.66666666666667) internal successors, (652), 6 states have internal predecessors, (652), 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) [2021-12-06 19:41:38,598 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:41:38,599 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] [2021-12-06 19:41:38,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:41:38,599 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-12-06 19:41:38,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:41:38,600 INFO L85 PathProgramCache]: Analyzing trace with hash -636502585, now seen corresponding path program 1 times [2021-12-06 19:41:38,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:41:38,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877347872] [2021-12-06 19:41:38,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:41:38,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:41:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:41:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:41:38,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:41:38,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877347872] [2021-12-06 19:41:38,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877347872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:41:38,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:41:38,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:41:38,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463053491] [2021-12-06 19:41:38,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:41:38,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:41:38,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:41:38,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:41:38,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:41:38,724 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 175 [2021-12-06 19:41:38,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 197 transitions, 643 flow. Second operand has 6 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 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) [2021-12-06 19:41:38,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:41:38,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 175 [2021-12-06 19:41:38,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:41:39,300 INFO L129 PetriNetUnfolder]: 1229/2840 cut-off events. [2021-12-06 19:41:39,300 INFO L130 PetriNetUnfolder]: For 12547/12609 co-relation queries the response was YES. [2021-12-06 19:41:39,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10108 conditions, 2840 events. 1229/2840 cut-off events. For 12547/12609 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 20649 event pairs, 312 based on Foata normal form. 48/2863 useless extension candidates. Maximal degree in co-relation 9098. Up to 934 conditions per place. [2021-12-06 19:41:39,325 INFO L132 encePairwiseOnDemand]: 156/175 looper letters, 78 selfloop transitions, 44 changer transitions 75/293 dead transitions. [2021-12-06 19:41:39,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 293 transitions, 1800 flow [2021-12-06 19:41:39,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 19:41:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-12-06 19:41:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1409 transitions. [2021-12-06 19:41:39,331 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.670952380952381 [2021-12-06 19:41:39,331 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1409 transitions. [2021-12-06 19:41:39,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1409 transitions. [2021-12-06 19:41:39,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:41:39,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1409 transitions. [2021-12-06 19:41:39,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 117.41666666666667) internal successors, (1409), 12 states have internal predecessors, (1409), 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) [2021-12-06 19:41:39,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 175.0) internal successors, (2275), 13 states have internal predecessors, (2275), 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) [2021-12-06 19:41:39,344 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 175.0) internal successors, (2275), 13 states have internal predecessors, (2275), 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) [2021-12-06 19:41:39,344 INFO L186 Difference]: Start difference. First operand has 185 places, 197 transitions, 643 flow. Second operand 12 states and 1409 transitions. [2021-12-06 19:41:39,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 293 transitions, 1800 flow [2021-12-06 19:41:39,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 293 transitions, 1800 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 19:41:39,364 INFO L242 Difference]: Finished difference. Result has 204 places, 197 transitions, 931 flow [2021-12-06 19:41:39,364 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=931, PETRI_PLACES=204, PETRI_TRANSITIONS=197} [2021-12-06 19:41:39,365 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, 41 predicate places. [2021-12-06 19:41:39,365 INFO L470 AbstractCegarLoop]: Abstraction has has 204 places, 197 transitions, 931 flow [2021-12-06 19:41:39,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 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) [2021-12-06 19:41:39,366 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:41:39,366 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:41:39,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:41:39,366 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-12-06 19:41:39,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:41:39,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1667442330, now seen corresponding path program 1 times [2021-12-06 19:41:39,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:41:39,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396345817] [2021-12-06 19:41:39,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:41:39,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:41:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:41:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:41:39,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:41:39,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396345817] [2021-12-06 19:41:39,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396345817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:41:39,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:41:39,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:41:39,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615947641] [2021-12-06 19:41:39,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:41:39,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:41:39,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:41:39,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:41:39,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:41:39,454 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 175 [2021-12-06 19:41:39,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 197 transitions, 931 flow. Second operand has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2021-12-06 19:41:39,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:41:39,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 175 [2021-12-06 19:41:39,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:41:39,810 INFO L129 PetriNetUnfolder]: 807/2213 cut-off events. [2021-12-06 19:41:39,810 INFO L130 PetriNetUnfolder]: For 28326/28450 co-relation queries the response was YES. [2021-12-06 19:41:39,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10591 conditions, 2213 events. 807/2213 cut-off events. For 28326/28450 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 17424 event pairs, 294 based on Foata normal form. 19/2173 useless extension candidates. Maximal degree in co-relation 10227. Up to 1102 conditions per place. [2021-12-06 19:41:39,839 INFO L132 encePairwiseOnDemand]: 167/175 looper letters, 79 selfloop transitions, 7 changer transitions 0/210 dead transitions. [2021-12-06 19:41:39,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 210 transitions, 1228 flow [2021-12-06 19:41:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:41:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 19:41:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2021-12-06 19:41:39,842 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8438095238095238 [2021-12-06 19:41:39,842 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 443 transitions. [2021-12-06 19:41:39,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 443 transitions. [2021-12-06 19:41:39,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:41:39,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 443 transitions. [2021-12-06 19:41:39,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 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) [2021-12-06 19:41:39,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:41:39,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:41:39,847 INFO L186 Difference]: Start difference. First operand has 204 places, 197 transitions, 931 flow. Second operand 3 states and 443 transitions. [2021-12-06 19:41:39,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 210 transitions, 1228 flow [2021-12-06 19:41:39,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 210 transitions, 1108 flow, removed 48 selfloop flow, removed 10 redundant places. [2021-12-06 19:41:39,871 INFO L242 Difference]: Finished difference. Result has 183 places, 203 transitions, 959 flow [2021-12-06 19:41:39,871 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=959, PETRI_PLACES=183, PETRI_TRANSITIONS=203} [2021-12-06 19:41:39,872 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, 20 predicate places. [2021-12-06 19:41:39,872 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 203 transitions, 959 flow [2021-12-06 19:41:39,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2021-12-06 19:41:39,873 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:41:39,873 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] [2021-12-06 19:41:39,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:41:39,874 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-12-06 19:41:39,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:41:39,874 INFO L85 PathProgramCache]: Analyzing trace with hash -151104274, now seen corresponding path program 1 times [2021-12-06 19:41:39,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:41:39,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463944266] [2021-12-06 19:41:39,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:41:39,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:41:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:41:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:41:39,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:41:39,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463944266] [2021-12-06 19:41:39,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463944266] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:41:39,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:41:39,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:41:39,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976405242] [2021-12-06 19:41:39,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:41:39,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:41:39,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:41:39,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:41:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:41:39,940 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 175 [2021-12-06 19:41:39,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 203 transitions, 959 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2021-12-06 19:41:39,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 19:41:39,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 175 [2021-12-06 19:41:39,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 19:41:40,321 INFO L129 PetriNetUnfolder]: 907/2376 cut-off events. [2021-12-06 19:41:40,321 INFO L130 PetriNetUnfolder]: For 32580/32707 co-relation queries the response was YES. [2021-12-06 19:41:40,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11622 conditions, 2376 events. 907/2376 cut-off events. For 32580/32707 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 18418 event pairs, 323 based on Foata normal form. 20/2335 useless extension candidates. Maximal degree in co-relation 10135. Up to 1216 conditions per place. [2021-12-06 19:41:40,357 INFO L132 encePairwiseOnDemand]: 167/175 looper letters, 83 selfloop transitions, 12 changer transitions 0/219 dead transitions. [2021-12-06 19:41:40,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 219 transitions, 1378 flow [2021-12-06 19:41:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:41:40,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 19:41:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2021-12-06 19:41:40,359 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8419047619047619 [2021-12-06 19:41:40,359 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 442 transitions. [2021-12-06 19:41:40,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 442 transitions. [2021-12-06 19:41:40,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:41:40,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 442 transitions. [2021-12-06 19:41:40,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2021-12-06 19:41:40,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:41:40,363 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:41:40,363 INFO L186 Difference]: Start difference. First operand has 183 places, 203 transitions, 959 flow. Second operand 3 states and 442 transitions. [2021-12-06 19:41:40,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 219 transitions, 1378 flow [2021-12-06 19:41:40,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 219 transitions, 1146 flow, removed 104 selfloop flow, removed 2 redundant places. [2021-12-06 19:41:40,384 INFO L242 Difference]: Finished difference. Result has 185 places, 213 transitions, 1005 flow [2021-12-06 19:41:40,385 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1005, PETRI_PLACES=185, PETRI_TRANSITIONS=213} [2021-12-06 19:41:40,386 INFO L334 CegarLoopForPetriNet]: 163 programPoint places, 22 predicate places. [2021-12-06 19:41:40,386 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 213 transitions, 1005 flow [2021-12-06 19:41:40,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2021-12-06 19:41:40,386 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 19:41:40,386 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:41:40,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:41:40,387 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-12-06 19:41:40,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:41:40,387 INFO L85 PathProgramCache]: Analyzing trace with hash -947796630, now seen corresponding path program 1 times [2021-12-06 19:41:40,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:41:40,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204829764] [2021-12-06 19:41:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:41:40,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:41:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:41:40,448 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:41:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:41:40,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:41:40,513 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:41:40,514 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2021-12-06 19:41:40,515 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2021-12-06 19:41:40,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2021-12-06 19:41:40,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2021-12-06 19:41:40,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2021-12-06 19:41:40,516 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2021-12-06 19:41:40,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 8 remaining) [2021-12-06 19:41:40,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 8 remaining) [2021-12-06 19:41:40,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:41:40,521 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-06 19:41:40,525 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 19:41:40,525 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:41:40,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:41:40 BasicIcfg [2021-12-06 19:41:40,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:41:40,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:41:40,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:41:40,588 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:41:40,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:41:37" (3/4) ... [2021-12-06 19:41:40,590 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 19:41:40,636 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:41:40,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:41:40,637 INFO L158 Benchmark]: Toolchain (without parser) took 4820.08ms. Allocated memory was 102.8MB in the beginning and 224.4MB in the end (delta: 121.6MB). Free memory was 60.3MB in the beginning and 69.7MB in the end (delta: -9.5MB). Peak memory consumption was 110.4MB. Max. memory is 16.1GB. [2021-12-06 19:41:40,638 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 80.2MB in the beginning and 80.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:41:40,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.45ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 60.0MB in the beginning and 89.8MB in the end (delta: -29.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-12-06 19:41:40,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.79ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 86.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 19:41:40,639 INFO L158 Benchmark]: Boogie Preprocessor took 44.97ms. Allocated memory is still 123.7MB. Free memory was 86.7MB in the beginning and 84.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:41:40,640 INFO L158 Benchmark]: RCFGBuilder took 492.50ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 61.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-06 19:41:40,640 INFO L158 Benchmark]: TraceAbstraction took 3521.99ms. Allocated memory was 123.7MB in the beginning and 224.4MB in the end (delta: 100.7MB). Free memory was 61.0MB in the beginning and 81.2MB in the end (delta: -20.2MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2021-12-06 19:41:40,641 INFO L158 Benchmark]: Witness Printer took 48.32ms. Allocated memory is still 224.4MB. Free memory was 81.2MB in the beginning and 69.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:41:40,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 80.2MB in the beginning and 80.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.45ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 60.0MB in the beginning and 89.8MB in the end (delta: -29.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.79ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 86.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.97ms. Allocated memory is still 123.7MB. Free memory was 86.7MB in the beginning and 84.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.50ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 61.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3521.99ms. Allocated memory was 123.7MB in the beginning and 224.4MB in the end (delta: 100.7MB). Free memory was 61.0MB in the beginning and 81.2MB in the end (delta: -20.2MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * Witness Printer took 48.32ms. Allocated memory is still 224.4MB. Free memory was 81.2MB in the beginning and 69.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1746] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1747] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1748] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] CALL, EXPR 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=8, res=0, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=9, res=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result=0, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) VAL [arg={5:24}, data={5:0}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [arg={5:24}, data={5:0}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; VAL [arg={5:24}, data={5:0}, data={5:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1723] 0 data->shared.a = 3 VAL [arg={5:24}, data={5:0}, data={5:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1726] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, status={7:0}, t1={3:0}, t2={4:0}] [L1729] EXPR 0 data->shared.a [L1729] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: 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: 1675]: 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: 1675]: 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: 1675]: 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: 1675]: 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: 1714]: 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: 1713]: 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 4 procedures, 185 locations, 8 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: 3.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 412 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 347 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 599 IncrementalHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 153 mSDtfsCounter, 599 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1005occurred in iteration=5, InterpolantAutomatonStates: 38, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 401 NumberOfCodeBlocks, 401 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 519 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-06 19:41:40,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e745f53f-4e8c-42a9-8203-d23dfbc71c72/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