./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8 --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 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- 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-e04fb08 [2022-11-16 11:51:11,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:51:11,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:51:12,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:51:12,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:51:12,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:51:12,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:51:12,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:51:12,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:51:12,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:51:12,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:51:12,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:51:12,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:51:12,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:51:12,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:51:12,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:51:12,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:51:12,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:51:12,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:51:12,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:51:12,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:51:12,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:51:12,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:51:12,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:51:12,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:51:12,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:51:12,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:51:12,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:51:12,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:51:12,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:51:12,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:51:12,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:51:12,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:51:12,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:51:12,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:51:12,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:51:12,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:51:12,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:51:12,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:51:12,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:51:12,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:51:12,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:51:12,123 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:51:12,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:51:12,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:51:12,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:51:12,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:51:12,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:51:12,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:51:12,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:51:12,130 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:51:12,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:51:12,131 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:51:12,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:51:12,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:51:12,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:51:12,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:51:12,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:51:12,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:51:12,134 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:51:12,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:51:12,134 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:51:12,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:51:12,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:51:12,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:51:12,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:51:12,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:51:12,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:51:12,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:51:12,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:51:12,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:51:12,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:51:12,139 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:51:12,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:51:12,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:51:12,148 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_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2022-11-16 11:51:12,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:51:12,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:51:12,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:51:12,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:51:12,535 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:51:12,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-16 11:51:12,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/data/2a9f318ba/aa5639a72ba5409a98614953bf0ebd61/FLAG2cee3d2cc [2022-11-16 11:51:13,309 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:51:13,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-16 11:51:13,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/data/2a9f318ba/aa5639a72ba5409a98614953bf0ebd61/FLAG2cee3d2cc [2022-11-16 11:51:13,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/data/2a9f318ba/aa5639a72ba5409a98614953bf0ebd61 [2022-11-16 11:51:13,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:51:13,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:51:13,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:51:13,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:51:13,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:51:13,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:51:13" (1/1) ... [2022-11-16 11:51:13,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220e30a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:13, skipping insertion in model container [2022-11-16 11:51:13,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:51:13" (1/1) ... [2022-11-16 11:51:13,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:51:13,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:51:13,919 WARN L229 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_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-11-16 11:51:14,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:51:14,514 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:51:14,528 WARN L229 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_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-11-16 11:51:14,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:51:14,694 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:51:14,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14 WrapperNode [2022-11-16 11:51:14,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:51:14,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:51:14,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:51:14,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:51:14,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,805 INFO L138 Inliner]: procedures = 354, calls = 47, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-11-16 11:51:14,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:51:14,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:51:14,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:51:14,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:51:14,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:51:14,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:51:14,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:51:14,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:51:14,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (1/1) ... [2022-11-16 11:51:14,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:51:14,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:14,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:14,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:51:15,004 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-11-16 11:51:15,005 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-11-16 11:51:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-11-16 11:51:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-11-16 11:51:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-11-16 11:51:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:51:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:51:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:51:15,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:51:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:51:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:51:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:51:15,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:51:15,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:51:15,016 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:51:15,513 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:51:15,515 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:51:15,724 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:51:15,734 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:51:15,734 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:51:15,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:15 BoogieIcfgContainer [2022-11-16 11:51:15,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:51:15,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:51:15,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:51:15,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:51:15,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:51:13" (1/3) ... [2022-11-16 11:51:15,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcfaa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:51:15, skipping insertion in model container [2022-11-16 11:51:15,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:14" (2/3) ... [2022-11-16 11:51:15,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcfaa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:51:15, skipping insertion in model container [2022-11-16 11:51:15,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:15" (3/3) ... [2022-11-16 11:51:15,749 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-16 11:51:15,760 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:51:15,773 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:51:15,774 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:51:15,774 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:51:15,883 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 11:51:15,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 103 transitions, 222 flow [2022-11-16 11:51:15,990 INFO L130 PetriNetUnfolder]: 1/101 cut-off events. [2022-11-16 11:51:15,991 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:51:15,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 101 events. 1/101 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2022-11-16 11:51:15,996 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 103 transitions, 222 flow [2022-11-16 11:51:16,001 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 83 transitions, 175 flow [2022-11-16 11:51:16,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:51:16,021 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;@6e1e2fdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:51:16,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-16 11:51:16,051 INFO L130 PetriNetUnfolder]: 0/79 cut-off events. [2022-11-16 11:51:16,051 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:51:16,051 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:51:16,052 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] [2022-11-16 11:51:16,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 11:51:16,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:16,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1900240155, now seen corresponding path program 1 times [2022-11-16 11:51:16,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:16,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657718012] [2022-11-16 11:51:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:16,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:51:16,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:51:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:51:16,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:51:16,486 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:51:16,487 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-16 11:51:16,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-16 11:51:16,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-16 11:51:16,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-11-16 11:51:16,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:51:16,492 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 11:51:16,502 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:51:16,502 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:51:16,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:51:16 BasicIcfg [2022-11-16 11:51:16,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:51:16,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:51:16,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:51:16,608 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:51:16,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:15" (3/4) ... [2022-11-16 11:51:16,613 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 11:51:16,702 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:51:16,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:51:16,706 INFO L158 Benchmark]: Toolchain (without parser) took 3128.26ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 90.8MB in the beginning and 109.5MB in the end (delta: -18.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-11-16 11:51:16,707 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:51:16,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1112.91ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 61.6MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 11:51:16,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.73ms. Allocated memory is still 115.3MB. Free memory was 61.6MB in the beginning and 58.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:51:16,709 INFO L158 Benchmark]: Boogie Preprocessor took 89.44ms. Allocated memory is still 115.3MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:51:16,710 INFO L158 Benchmark]: RCFGBuilder took 839.92ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 56.1MB in the beginning and 110.0MB in the end (delta: -53.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-16 11:51:16,711 INFO L158 Benchmark]: TraceAbstraction took 867.02ms. Allocated memory is still 146.8MB. Free memory was 109.3MB in the beginning and 115.8MB in the end (delta: -6.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2022-11-16 11:51:16,712 INFO L158 Benchmark]: Witness Printer took 97.47ms. Allocated memory is still 146.8MB. Free memory was 115.8MB in the beginning and 109.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:51:16,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1112.91ms. Allocated memory is still 115.3MB. Free memory was 90.8MB in the beginning and 61.6MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.73ms. Allocated memory is still 115.3MB. Free memory was 61.6MB in the beginning and 58.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.44ms. Allocated memory is still 115.3MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 839.92ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 56.1MB in the beginning and 110.0MB in the end (delta: -53.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 867.02ms. Allocated memory is still 146.8MB. Free memory was 109.3MB in the beginning and 115.8MB in the end (delta: -6.5MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 97.47ms. Allocated memory is still 146.8MB. Free memory was 115.8MB in the beginning and 109.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={4:0}, g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [cond={4:0}, g=0, mut={5:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1151, argc=1151, argv={1152:1150}, argv={1152:1150}, cond={4:0}, g=0, mut={5:0}, t1={10:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1151, argc=1151, argv={1152:1150}, argv={1152:1150}, cond={4:0}, g=0, mut={5:0}, t1={10:0}, t2={9:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1151, argc=1151, argv={1152:1150}, argv={1152:1150}, cond={4:0}, g=0, mut={5:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={10:0}, t2={9:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1151, argc=1151, argv={1152:1150}, argv={1152:1150}, cond={4:0}, g=0, mut={5:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={10:0}, t2={9:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond={4:0}, cond=0, g=0, mut={5:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={4:0}, g=0, mut={5:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: 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: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 135 locations, 4 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-11-16 11:51:16,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_904fdacd-f9b7-4f5e-9ce6-b2f23edc5242/bin/uautomizer-tPACEb0tL8/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