./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8 --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 89785c0d24fcdefc69967ffaff157c690c4dc9452939a731c93e500faa24c4d7 --- 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-2329fc7 [2022-12-13 12:46:00,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:46:00,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:46:00,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:46:00,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:46:00,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:46:00,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:46:00,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:46:00,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:46:00,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:46:00,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:46:00,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:46:00,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:46:00,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:46:00,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:46:00,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:46:00,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:46:00,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:46:00,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:46:00,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:46:00,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:46:00,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:46:00,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:46:00,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:46:00,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:46:00,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:46:00,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:46:00,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:46:00,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:46:00,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:46:00,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:46:00,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:46:00,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:46:00,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:46:00,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:46:00,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:46:00,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:46:00,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:46:00,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:46:00,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:46:00,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:46:00,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 12:46:00,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:46:00,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:46:00,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:46:00,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:46:00,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:46:00,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:46:00,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:46:00,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:46:00,690 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:46:00,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:46:00,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:46:00,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:46:00,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:46:00,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:46:00,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:46:00,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:46:00,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:46:00,691 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:46:00,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:46:00,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:46:00,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:46:00,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:46:00,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:46:00,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:46:00,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:46:00,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:46:00,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:46:00,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:46:00,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:46:00,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:46:00,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:46:00,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:46:00,694 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:46:00,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:46:00,694 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:46:00,695 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89785c0d24fcdefc69967ffaff157c690c4dc9452939a731c93e500faa24c4d7 [2022-12-13 12:46:00,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:46:00,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:46:00,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:46:00,910 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:46:00,911 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:46:00,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-12-13 12:46:03,376 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:46:03,602 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:46:03,603 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/sv-benchmarks/c/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-12-13 12:46:03,613 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/data/44c4ff655/03311e8876f043c4ab97b3e669eef45a/FLAG44d218577 [2022-12-13 12:46:03,948 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/data/44c4ff655/03311e8876f043c4ab97b3e669eef45a [2022-12-13 12:46:03,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:46:03,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:46:03,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:46:03,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:46:03,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:46:03,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:46:03" (1/1) ... [2022-12-13 12:46:03,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e58d6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:03, skipping insertion in model container [2022-12-13 12:46:03,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:46:03" (1/1) ... [2022-12-13 12:46:03,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:46:03,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:46:04,089 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_bae494c3-f283-4cdb-a234-b89e8e732c72/sv-benchmarks/c/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i[1102,1115] [2022-12-13 12:46:04,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:46:04,177 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:46:04,185 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_bae494c3-f283-4cdb-a234-b89e8e732c72/sv-benchmarks/c/goblint-regression/36-apron_41-threadenter-no-locals_unknown_1_pos.i[1102,1115] [2022-12-13 12:46:04,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:46:04,221 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:46:04,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04 WrapperNode [2022-12-13 12:46:04,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:46:04,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:46:04,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:46:04,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:46:04,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,248 INFO L138 Inliner]: procedures = 162, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-12-13 12:46:04,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:46:04,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:46:04,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:46:04,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:46:04,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,263 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:46:04,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:46:04,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:46:04,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:46:04,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (1/1) ... [2022-12-13 12:46:04,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:46:04,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:46:04,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:46:04,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 12:46:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 12:46:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:46:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:46:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:46:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:46:04,327 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 12:46:04,429 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:46:04,431 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:46:04,498 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:46:04,504 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:46:04,505 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:46:04,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:46:04 BoogieIcfgContainer [2022-12-13 12:46:04,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:46:04,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:46:04,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:46:04,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:46:04,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:46:03" (1/3) ... [2022-12-13 12:46:04,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609f40bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:46:04, skipping insertion in model container [2022-12-13 12:46:04,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:46:04" (2/3) ... [2022-12-13 12:46:04,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609f40bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:46:04, skipping insertion in model container [2022-12-13 12:46:04,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:46:04" (3/3) ... [2022-12-13 12:46:04,513 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_41-threadenter-no-locals_unknown_1_pos.i [2022-12-13 12:46:04,520 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:46:04,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:46:04,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:46:04,528 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:46:04,576 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 12:46:04,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 43 transitions, 91 flow [2022-12-13 12:46:04,631 INFO L130 PetriNetUnfolder]: 1/42 cut-off events. [2022-12-13 12:46:04,632 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:46:04,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 42 events. 1/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-12-13 12:46:04,635 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 43 transitions, 91 flow [2022-12-13 12:46:04,637 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 36 transitions, 75 flow [2022-12-13 12:46:04,640 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:46:04,648 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 36 transitions, 75 flow [2022-12-13 12:46:04,650 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 36 transitions, 75 flow [2022-12-13 12:46:04,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 36 transitions, 75 flow [2022-12-13 12:46:04,658 INFO L130 PetriNetUnfolder]: 0/36 cut-off events. [2022-12-13 12:46:04,659 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:46:04,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 15 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 12:46:04,659 INFO L119 LiptonReduction]: Number of co-enabled transitions 160 [2022-12-13 12:46:05,493 INFO L134 LiptonReduction]: Checked pairs total: 104 [2022-12-13 12:46:05,493 INFO L136 LiptonReduction]: Total number of compositions: 32 [2022-12-13 12:46:05,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:46:05,509 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;@7e1b0e08, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:46:05,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 12:46:05,511 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-13 12:46:05,511 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:46:05,511 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:46:05,512 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 12:46:05,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:46:05,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:46:05,516 INFO L85 PathProgramCache]: Analyzing trace with hash 167817, now seen corresponding path program 1 times [2022-12-13 12:46:05,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:46:05,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971168191] [2022-12-13 12:46:05,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:46:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:46:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:46:05,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:46:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:46:05,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:46:05,623 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:46:05,624 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 12:46:05,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-13 12:46:05,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-13 12:46:05,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:46:05,626 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 12:46:05,631 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 12:46:05,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:46:05,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:46:05 BasicIcfg [2022-12-13 12:46:05,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:46:05,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:46:05,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:46:05,644 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:46:05,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:46:04" (3/4) ... [2022-12-13 12:46:05,645 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 12:46:05,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:46:05,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:46:05,668 INFO L158 Benchmark]: Toolchain (without parser) took 1716.97ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 87.6MB in the beginning and 116.1MB in the end (delta: -28.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-12-13 12:46:05,668 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:46:05,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.24ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 69.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 12:46:05,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.13ms. Allocated memory is still 123.7MB. Free memory was 69.0MB in the beginning and 67.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:46:05,669 INFO L158 Benchmark]: Boogie Preprocessor took 15.98ms. Allocated memory is still 123.7MB. Free memory was 67.0MB in the beginning and 66.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:46:05,670 INFO L158 Benchmark]: RCFGBuilder took 240.72ms. Allocated memory is still 123.7MB. Free memory was 66.0MB in the beginning and 55.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:46:05,670 INFO L158 Benchmark]: TraceAbstraction took 1134.85ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 54.6MB in the beginning and 117.3MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:46:05,670 INFO L158 Benchmark]: Witness Printer took 24.07ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:46:05,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.24ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 69.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.13ms. Allocated memory is still 123.7MB. Free memory was 69.0MB in the beginning and 67.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.98ms. Allocated memory is still 123.7MB. Free memory was 67.0MB in the beginning and 66.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 240.72ms. Allocated memory is still 123.7MB. Free memory was 66.0MB in the beginning and 55.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1134.85ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 54.6MB in the beginning and 117.3MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 24.07ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8s, 40 PlacesBefore, 8 PlacesAfterwards, 36 TransitionsBefore, 4 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 5 FixpointIterations, 16 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 32 TotalNumberOfCompositions, 104 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, independent: 104, independent conditional: 0, independent unconditional: 104, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 79, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 104, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 79, unknown conditional: 0, unknown unconditional: 79] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L688] 0 int x = 3; [L689] 0 pthread_t id; [L690] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x=3] [L683] 1 int x = __VERIFIER_nondet_int(); [L684] CALL 1 __VERIFIER_assert(x == 3) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0] - UnprovableResult [Line: 690]: 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 3 procedures, 60 locations, 3 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: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2022-12-13 12:46:05,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae494c3-f283-4cdb-a234-b89e8e732c72/bin/uautomizer-uyxdKDjOR8/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