./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:24:21,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:24:21,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:24:21,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:24:21,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:24:21,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:24:21,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:24:21,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:24:21,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:24:21,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:24:21,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:24:21,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:24:21,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:24:21,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:24:21,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:24:21,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:24:21,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:24:21,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:24:21,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:24:21,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:24:21,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:24:21,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:24:21,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:24:21,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:24:21,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:24:21,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:24:21,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:24:21,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:24:21,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:24:21,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:24:21,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:24:21,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:24:21,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:24:21,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:24:21,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:24:21,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:24:21,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:24:21,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:24:21,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:24:21,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:24:21,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:24:21,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 17:24:21,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:24:21,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:24:21,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:24:21,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:24:21,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:24:21,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:24:21,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:24:21,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:24:21,775 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:24:21,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:24:21,777 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:24:21,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:24:21,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:24:21,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:24:21,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:24:21,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:24:21,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:24:21,778 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:24:21,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:24:21,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:24:21,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:24:21,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:24:21,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:24:21,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:24:21,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:24:21,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:24:21,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:24:21,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:24:21,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:24:21,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:24:21,782 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:24:21,782 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:24:21,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:24:21,783 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_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2022-11-21 17:24:22,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:24:22,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:24:22,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:24:22,118 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:24:22,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:24:22,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread/singleton.i [2022-11-21 17:24:25,212 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:24:25,517 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:24:25,531 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/sv-benchmarks/c/pthread/singleton.i [2022-11-21 17:24:25,558 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/data/7d5c5f5a4/eaf998df15ef4c42b7fab478f727726c/FLAGd57fff942 [2022-11-21 17:24:25,574 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/data/7d5c5f5a4/eaf998df15ef4c42b7fab478f727726c [2022-11-21 17:24:25,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:24:25,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:24:25,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:24:25,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:24:25,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:24:25,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:24:25" (1/1) ... [2022-11-21 17:24:25,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bc522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:25, skipping insertion in model container [2022-11-21 17:24:25,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:24:25" (1/1) ... [2022-11-21 17:24:25,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:24:25,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:24:25,833 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:24:26,218 WARN L237 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_260a0526-f116-441d-9d6c-b99b62b83f0d/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-21 17:24:26,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:24:26,272 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:24:26,288 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:24:26,320 WARN L237 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_260a0526-f116-441d-9d6c-b99b62b83f0d/sv-benchmarks/c/pthread/singleton.i[55547,55560] [2022-11-21 17:24:26,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:24:26,428 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:24:26,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26 WrapperNode [2022-11-21 17:24:26,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:24:26,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:24:26,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:24:26,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:24:26,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,501 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-11-21 17:24:26,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:24:26,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:24:26,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:24:26,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:24:26,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:24:26,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:24:26,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:24:26,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:24:26,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (1/1) ... [2022-11-21 17:24:26,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:24:26,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:26,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:26,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:24:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 17:24:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:24:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:24:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 17:24:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:24:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-11-21 17:24:26,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-11-21 17:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 17:24:26,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 17:24:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 17:24:26,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 17:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 17:24:26,677 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 17:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:24:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:24:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:24:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:24:26,680 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 17:24:26,860 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:24:26,862 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:24:27,205 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:24:27,213 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:24:27,213 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:24:27,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:27 BoogieIcfgContainer [2022-11-21 17:24:27,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:24:27,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:24:27,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:24:27,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:24:27,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:24:25" (1/3) ... [2022-11-21 17:24:27,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b62e752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:24:27, skipping insertion in model container [2022-11-21 17:24:27,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:26" (2/3) ... [2022-11-21 17:24:27,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b62e752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:24:27, skipping insertion in model container [2022-11-21 17:24:27,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:27" (3/3) ... [2022-11-21 17:24:27,226 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2022-11-21 17:24:27,236 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 17:24:27,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:24:27,247 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:24:27,247 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 17:24:27,475 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2022-11-21 17:24:27,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 194 transitions, 495 flow [2022-11-21 17:24:27,609 INFO L130 PetriNetUnfolder]: 6/131 cut-off events. [2022-11-21 17:24:27,609 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 17:24:27,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 131 events. 6/131 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2022-11-21 17:24:27,615 INFO L82 GeneralOperation]: Start removeDead. Operand has 204 places, 194 transitions, 495 flow [2022-11-21 17:24:27,620 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 120 transitions, 291 flow [2022-11-21 17:24:27,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:24:27,637 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70a44c2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:24:27,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-21 17:24:27,712 INFO L130 PetriNetUnfolder]: 5/119 cut-off events. [2022-11-21 17:24:27,712 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 17:24:27,713 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:24:27,714 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:24:27,715 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2022-11-21 17:24:27,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:24:27,721 INFO L85 PathProgramCache]: Analyzing trace with hash 2147230704, now seen corresponding path program 1 times [2022-11-21 17:24:27,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:24:27,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3443942] [2022-11-21 17:24:27,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:24:27,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:24:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:24:28,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:24:28,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3443942] [2022-11-21 17:24:28,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3443942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:24:28,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:24:28,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:24:28,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916482163] [2022-11-21 17:24:28,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:24:28,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:24:28,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:24:28,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:24:28,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:24:28,778 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 196 [2022-11-21 17:24:28,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 120 transitions, 291 flow. Second operand has 6 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 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) [2022-11-21 17:24:28,786 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:24:28,786 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 196 [2022-11-21 17:24:28,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:24:29,417 INFO L130 PetriNetUnfolder]: 580/1439 cut-off events. [2022-11-21 17:24:29,417 INFO L131 PetriNetUnfolder]: For 139/141 co-relation queries the response was YES. [2022-11-21 17:24:29,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2577 conditions, 1439 events. 580/1439 cut-off events. For 139/141 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7991 event pairs, 169 based on Foata normal form. 1/1361 useless extension candidates. Maximal degree in co-relation 2514. Up to 520 conditions per place. [2022-11-21 17:24:29,438 INFO L137 encePairwiseOnDemand]: 185/196 looper letters, 50 selfloop transitions, 7 changer transitions 14/148 dead transitions. [2022-11-21 17:24:29,438 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 148 transitions, 525 flow [2022-11-21 17:24:29,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:24:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 17:24:29,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 834 transitions. [2022-11-21 17:24:29,466 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7091836734693877 [2022-11-21 17:24:29,467 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 834 transitions. [2022-11-21 17:24:29,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 834 transitions. [2022-11-21 17:24:29,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:24:29,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 834 transitions. [2022-11-21 17:24:29,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.0) internal successors, (834), 6 states have internal predecessors, (834), 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) [2022-11-21 17:24:29,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 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) [2022-11-21 17:24:29,490 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 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) [2022-11-21 17:24:29,492 INFO L175 Difference]: Start difference. First operand has 134 places, 120 transitions, 291 flow. Second operand 6 states and 834 transitions. [2022-11-21 17:24:29,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 148 transitions, 525 flow [2022-11-21 17:24:29,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 148 transitions, 467 flow, removed 0 selfloop flow, removed 12 redundant places. [2022-11-21 17:24:29,504 INFO L231 Difference]: Finished difference. Result has 132 places, 126 transitions, 317 flow [2022-11-21 17:24:29,507 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=317, PETRI_PLACES=132, PETRI_TRANSITIONS=126} [2022-11-21 17:24:29,511 INFO L288 CegarLoopForPetriNet]: 134 programPoint places, -2 predicate places. [2022-11-21 17:24:29,511 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 126 transitions, 317 flow [2022-11-21 17:24:29,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 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) [2022-11-21 17:24:29,512 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:24:29,513 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:24:29,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:24:29,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2022-11-21 17:24:29,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:24:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1773690857, now seen corresponding path program 1 times [2022-11-21 17:24:29,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:24:29,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436935296] [2022-11-21 17:24:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:24:29,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:24:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:24:29,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:24:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:24:29,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:24:29,806 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:24:29,808 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 12 remaining) [2022-11-21 17:24:29,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2022-11-21 17:24:29,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2022-11-21 17:24:29,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2022-11-21 17:24:29,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 12 remaining) [2022-11-21 17:24:29,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 12 remaining) [2022-11-21 17:24:29,818 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining) [2022-11-21 17:24:29,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2022-11-21 17:24:29,819 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2022-11-21 17:24:29,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2022-11-21 17:24:29,820 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2022-11-21 17:24:29,821 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2022-11-21 17:24:29,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:24:29,822 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 17:24:29,829 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 17:24:29,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:24:29,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:24:29 BasicIcfg [2022-11-21 17:24:29,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:24:29,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:24:29,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:24:29,982 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:24:29,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:27" (3/4) ... [2022-11-21 17:24:29,985 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 17:24:30,092 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:24:30,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:24:30,093 INFO L158 Benchmark]: Toolchain (without parser) took 4515.02ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 119.6MB in the beginning and 82.3MB in the end (delta: 37.3MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2022-11-21 17:24:30,094 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:24:30,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.83ms. Allocated memory is still 167.8MB. Free memory was 119.3MB in the beginning and 86.3MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-21 17:24:30,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.91ms. Allocated memory is still 167.8MB. Free memory was 86.3MB in the beginning and 83.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:24:30,095 INFO L158 Benchmark]: Boogie Preprocessor took 62.66ms. Allocated memory is still 167.8MB. Free memory was 83.9MB in the beginning and 82.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:24:30,095 INFO L158 Benchmark]: RCFGBuilder took 651.17ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 82.3MB in the beginning and 187.1MB in the end (delta: -104.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-11-21 17:24:30,096 INFO L158 Benchmark]: TraceAbstraction took 2762.45ms. Allocated memory is still 224.4MB. Free memory was 186.1MB in the beginning and 124.3MB in the end (delta: 61.8MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-11-21 17:24:30,096 INFO L158 Benchmark]: Witness Printer took 110.68ms. Allocated memory is still 224.4MB. Free memory was 124.3MB in the beginning and 82.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-21 17:24:30,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.83ms. Allocated memory is still 167.8MB. Free memory was 119.3MB in the beginning and 86.3MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.91ms. Allocated memory is still 167.8MB. Free memory was 86.3MB in the beginning and 83.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.66ms. Allocated memory is still 167.8MB. Free memory was 83.9MB in the beginning and 82.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 651.17ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 82.3MB in the beginning and 187.1MB in the end (delta: -104.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2762.45ms. Allocated memory is still 224.4MB. Free memory was 186.1MB in the beginning and 124.3MB in the end (delta: 61.8MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Witness Printer took 110.68ms. Allocated memory is still 224.4MB. Free memory was 124.3MB in the beginning and 82.3MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1123]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1124] 0 char *v; VAL [v={0:0}] [L1161] 0 pthread_t t; VAL [t={6:0}, v={0:0}] [L1162] FCALL, FORK 0 pthread_create(&t, 0, thread0, 0) VAL [arg={0:0}, pthread_create(&t, 0, thread0, 0)=-6, t={6:0}, v={0:0}] [L1146] 1 pthread_t t1, t2, t3, t4, t5; VAL [arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={0:0}] [L1163] 0 \read(t) VAL [\read(t)=-6, arg={0:0}, arg={0:0}, pthread_create(&t1, 0, thread1, 0)=-5, t={6:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={0:0}] [L1147] FCALL, FORK 1 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t1, 0, thread1, 0)=-5, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={0:0}] [L1127] 2 v = malloc(sizeof(char)) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char))={3:0}, pthread_create(&t1, 0, thread1, 0)=-5, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1128] 2 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t1, 0, thread1, 0)=-5, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1148] 1 \read(t1) VAL [\read(t1)=-5, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1148] FCALL, JOIN 2 pthread_join(t1, 0) VAL [\read(t1)=-5, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1149] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t2, 0, thread2, 0)=-4, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1150] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t3, 0, thread3, 0)=-3, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1151] FCALL, FORK 1 pthread_create(&t4, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t4, 0, thread2, 0)=-2, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1133] 3 v[0] = 'X' VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t5, 0, thread2, 0)=-1, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1152] FCALL, FORK 1 pthread_create(&t5, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, pthread_create(&t5, 0, thread2, 0)=-1, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1153] 1 \read(t2) VAL [\read(t2)=-4, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1135] 3 return 0; VAL [\read(t2)=-4, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1153] FCALL, JOIN 3 pthread_join(t2, 0) VAL [\read(t2)=-4, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1133] 5 v[0] = 'X' VAL [\read(t2)=-4, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1133] 6 v[0] = 'X' VAL [\read(t2)=-4, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1135] 6 return 0; VAL [\read(t2)=-4, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1154] 1 \read(t3) VAL [\read(t3)=-3, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1140] 4 v[0] = 'Y' VAL [\read(t3)=-3, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1142] 4 return 0; VAL [\read(t3)=-3, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1154] FCALL, JOIN 4 pthread_join(t3, 0) VAL [\read(t3)=-3, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1155] 1 \read(t4) VAL [\read(t4)=-2, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1155] FCALL, JOIN 5 pthread_join(t4, 0) VAL [\read(t4)=-2, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1156] 1 \read(t5) VAL [\read(t5)=-1, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1156] FCALL, JOIN 6 pthread_join(t5, 0) VAL [\read(t5)=-1, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1157] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={7:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1157] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t2={8:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1157] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t3={9:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1157] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t4={10:0}, t5={5:0}, v={3:0}] [L1157] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t5={5:0}, v={3:0}] [L1157] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, v={3:0}] [L1163] FCALL, JOIN 1 pthread_join(t, 0) VAL [\read(t)=-6, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={6:0}, v={3:0}] [L1164] EXPR 0 v[0] VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={6:0}, v={3:0}, v[0]=89] [L1164] CALL 0 __VERIFIER_assert(v[0] == 'X') [L1123] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, v={3:0}] [L1123] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, v={3:0}] - UnprovableResult [Line: 1152]: 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: 1150]: 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: 1147]: 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: 1149]: 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: 1151]: 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: 1162]: 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: 1151]: 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: 1149]: 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: 1152]: 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: 1150]: 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: 1147]: 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 11 procedures, 224 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 189 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 20 mSDtfsCounter, 189 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=317occurred in iteration=1, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-11-21 17:24:30,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260a0526-f116-441d-9d6c-b99b62b83f0d/bin/uautomizer-vX5HgA9Q3a/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