./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi005.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_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/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_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi005.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/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_619db842-69fc-42d0-ba59-700966346c20/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 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 --- 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 13:49:29,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:49:29,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:49:29,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:49:29,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:49:29,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:49:29,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:49:29,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:49:29,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:49:29,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:49:29,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:49:29,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:49:29,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:49:29,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:49:29,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:49:29,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:49:29,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:49:29,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:49:29,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:49:29,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:49:29,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:49:29,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:49:29,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:49:29,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:49:29,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:49:29,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:49:29,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:49:29,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:49:29,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:49:29,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:49:29,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:49:29,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:49:29,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:49:29,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:49:29,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:49:29,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:49:29,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:49:29,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:49:29,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:49:29,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:49:29,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:49:29,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 13:49:29,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:49:29,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:49:29,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:49:29,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:49:29,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:49:29,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:49:29,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:49:29,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:49:29,986 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:49:29,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:49:29,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:49:29,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:49:29,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:49:29,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:49:29,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:49:29,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:49:29,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:49:29,989 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:49:29,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:49:29,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:49:29,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:49:29,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:49:29,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:49:29,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:49:29,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:49:29,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:49:29,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:49:29,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:49:29,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:49:29,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:49:29,993 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:49:29,994 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:49:29,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:49:29,994 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_619db842-69fc-42d0-ba59-700966346c20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 [2022-11-21 13:49:30,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:49:30,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:49:30,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:49:30,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:49:30,389 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:49:30,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-wmm/rfi005.i [2022-11-21 13:49:33,810 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:49:34,049 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:49:34,054 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/sv-benchmarks/c/pthread-wmm/rfi005.i [2022-11-21 13:49:34,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/data/70cef217a/34b77f4c9db84787907d7a85fc72793e/FLAGedd3e5afb [2022-11-21 13:49:34,091 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/data/70cef217a/34b77f4c9db84787907d7a85fc72793e [2022-11-21 13:49:34,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:49:34,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:49:34,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:49:34,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:49:34,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:49:34,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2765debc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34, skipping insertion in model container [2022-11-21 13:49:34,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:49:34,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:49:34,415 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_619db842-69fc-42d0-ba59-700966346c20/sv-benchmarks/c/pthread-wmm/rfi005.i[983,996] [2022-11-21 13:49:34,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:49:34,664 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:49:34,680 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_619db842-69fc-42d0-ba59-700966346c20/sv-benchmarks/c/pthread-wmm/rfi005.i[983,996] [2022-11-21 13:49:34,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:49:34,792 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:49:34,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34 WrapperNode [2022-11-21 13:49:34,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:49:34,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:49:34,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:49:34,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:49:34,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,858 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 164 [2022-11-21 13:49:34,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:49:34,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:49:34,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:49:34,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:49:34,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:49:34,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:49:34,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:49:34,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:49:34,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (1/1) ... [2022-11-21 13:49:34,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:49:34,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:49:34,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:49:34,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:49:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:49:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 13:49:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:49:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:49:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:49:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-21 13:49:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-21 13:49:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-21 13:49:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-21 13:49:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:49:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 13:49:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:49:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:49:35,016 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 13:49:35,199 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:49:35,201 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:49:35,700 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:49:35,996 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:49:35,996 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 13:49:35,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:49:35 BoogieIcfgContainer [2022-11-21 13:49:35,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:49:36,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:49:36,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:49:36,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:49:36,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:49:34" (1/3) ... [2022-11-21 13:49:36,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6fed1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:49:36, skipping insertion in model container [2022-11-21 13:49:36,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:49:34" (2/3) ... [2022-11-21 13:49:36,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6fed1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:49:36, skipping insertion in model container [2022-11-21 13:49:36,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:49:35" (3/3) ... [2022-11-21 13:49:36,012 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi005.i [2022-11-21 13:49:36,022 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 13:49:36,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:49:36,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-21 13:49:36,034 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 13:49:36,095 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 13:49:36,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 98 transitions, 206 flow [2022-11-21 13:49:36,230 INFO L130 PetriNetUnfolder]: 2/96 cut-off events. [2022-11-21 13:49:36,230 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 13:49:36,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2022-11-21 13:49:36,239 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 98 transitions, 206 flow [2022-11-21 13:49:36,244 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 96 transitions, 198 flow [2022-11-21 13:49:36,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:49:36,277 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;@70c243d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:49:36,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-21 13:49:36,295 INFO L130 PetriNetUnfolder]: 0/57 cut-off events. [2022-11-21 13:49:36,297 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 13:49:36,297 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:49:36,298 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] [2022-11-21 13:49:36,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-11-21 13:49:36,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:49:36,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1950474685, now seen corresponding path program 1 times [2022-11-21 13:49:36,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:49:36,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419836554] [2022-11-21 13:49:36,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:49:36,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:49:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:49:36,983 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 13:49:36,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:49:36,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419836554] [2022-11-21 13:49:36,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419836554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:49:36,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:49:36,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:49:36,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120823199] [2022-11-21 13:49:36,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:49:36,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:49:36,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:49:37,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:49:37,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:49:37,043 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 98 [2022-11-21 13:49:37,047 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 13:49:37,048 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:49:37,048 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 98 [2022-11-21 13:49:37,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:49:37,265 INFO L130 PetriNetUnfolder]: 38/352 cut-off events. [2022-11-21 13:49:37,266 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 13:49:37,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 352 events. 38/352 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1701 event pairs, 19 based on Foata normal form. 15/337 useless extension candidates. Maximal degree in co-relation 390. Up to 66 conditions per place. [2022-11-21 13:49:37,272 INFO L137 encePairwiseOnDemand]: 93/98 looper letters, 12 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2022-11-21 13:49:37,272 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 95 transitions, 224 flow [2022-11-21 13:49:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:49:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:49:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2022-11-21 13:49:37,293 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9115646258503401 [2022-11-21 13:49:37,293 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions. [2022-11-21 13:49:37,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions. [2022-11-21 13:49:37,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:49:37,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions. [2022-11-21 13:49:37,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 13:49:37,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 13:49:37,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 13:49:37,316 INFO L175 Difference]: Start difference. First operand has 101 places, 96 transitions, 198 flow. Second operand 3 states and 268 transitions. [2022-11-21 13:49:37,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 95 transitions, 224 flow [2022-11-21 13:49:37,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:49:37,325 INFO L231 Difference]: Finished difference. Result has 99 places, 92 transitions, 192 flow [2022-11-21 13:49:37,327 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=99, PETRI_TRANSITIONS=92} [2022-11-21 13:49:37,331 INFO L288 CegarLoopForPetriNet]: 101 programPoint places, -2 predicate places. [2022-11-21 13:49:37,332 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 92 transitions, 192 flow [2022-11-21 13:49:37,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 13:49:37,333 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:49:37,334 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] [2022-11-21 13:49:37,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:49:37,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-11-21 13:49:37,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:49:37,335 INFO L85 PathProgramCache]: Analyzing trace with hash -335172660, now seen corresponding path program 1 times [2022-11-21 13:49:37,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:49:37,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421543761] [2022-11-21 13:49:37,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:49:37,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:49:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:49:37,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 13:49:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 13:49:37,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 13:49:37,432 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 13:49:37,433 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-11-21 13:49:37,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-11-21 13:49:37,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-11-21 13:49:37,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-11-21 13:49:37,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-11-21 13:49:37,437 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-11-21 13:49:37,437 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-11-21 13:49:37,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:49:37,437 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-21 13:49:37,444 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 13:49:37,445 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 13:49:37,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:49:37 BasicIcfg [2022-11-21 13:49:37,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 13:49:37,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:49:37,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:49:37,544 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:49:37,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:49:35" (3/4) ... [2022-11-21 13:49:37,546 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 13:49:37,630 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 13:49:37,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:49:37,631 INFO L158 Benchmark]: Toolchain (without parser) took 3531.23ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 125.3MB in the beginning and 163.3MB in the end (delta: -38.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-21 13:49:37,632 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 174.1MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:49:37,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.36ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 100.9MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 13:49:37,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.39ms. Allocated memory is still 174.1MB. Free memory was 100.9MB in the beginning and 97.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 13:49:37,633 INFO L158 Benchmark]: Boogie Preprocessor took 41.72ms. Allocated memory is still 174.1MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:49:37,633 INFO L158 Benchmark]: RCFGBuilder took 1096.67ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 95.5MB in the beginning and 177.1MB in the end (delta: -81.6MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-11-21 13:49:37,634 INFO L158 Benchmark]: TraceAbstraction took 1540.82ms. Allocated memory is still 216.0MB. Free memory was 176.1MB in the beginning and 172.7MB in the end (delta: 3.4MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2022-11-21 13:49:37,634 INFO L158 Benchmark]: Witness Printer took 86.92ms. Allocated memory is still 216.0MB. Free memory was 172.7MB in the beginning and 163.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 13:49:37,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 174.1MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.36ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 100.9MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.39ms. Allocated memory is still 174.1MB. Free memory was 100.9MB in the beginning and 97.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.72ms. Allocated memory is still 174.1MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1096.67ms. Allocated memory was 174.1MB in the beginning and 216.0MB in the end (delta: 41.9MB). Free memory was 95.5MB in the beginning and 177.1MB in the end (delta: -81.6MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1540.82ms. Allocated memory is still 216.0MB. Free memory was 176.1MB in the beginning and 172.7MB in the end (delta: 3.4MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Witness Printer took 86.92ms. Allocated memory is still 216.0MB. Free memory was 172.7MB in the beginning and 163.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. 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: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L715] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L716] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L717] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L719] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L722] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L723] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L724] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L725] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L726] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L727] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L728] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L729] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L730] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L731] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L732] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L733] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L734] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L735] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L736] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L834] 0 pthread_t t1665; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1665={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L835] FCALL, FORK 0 pthread_create(&t1665, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1665, ((void *)0), P0, ((void *)0))=-1, t1665={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L836] 0 pthread_t t1666; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1665={5:0}, t1666={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L837] FCALL, FORK 0 pthread_create(&t1666, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1666, ((void *)0), P1, ((void *)0))=0, t1665={5:0}, t1666={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L771] 2 y$w_buff1 = y$w_buff0 [L772] 2 y$w_buff0 = 1 [L773] 2 y$w_buff1_used = y$w_buff0_used [L774] 2 y$w_buff0_used = (_Bool)1 [L775] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L775] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L776] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L777] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L778] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L779] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L782] 2 y$w_buff1 = y$w_buff0 [L783] 2 y$w_buff0 = 2 [L784] 2 y$w_buff1_used = y$w_buff0_used [L785] 2 y$w_buff0_used = (_Bool)1 [L786] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=1, y$w_buff1_used=1] - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 837]: 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: 835]: 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, 118 locations, 7 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: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.5s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 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 13:49:37,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619db842-69fc-42d0-ba59-700966346c20/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