./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cbe8dd40fecf4391efe5e4ba3939c64a9fdbbfb53083def47a68bbefda43a3c --- 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-6b4ec56 [2022-11-20 16:17:39,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:17:39,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:17:39,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:17:39,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:17:39,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:17:39,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:17:39,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:17:39,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:17:39,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:17:39,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:17:39,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:17:39,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:17:39,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:17:39,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:17:39,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:17:39,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:17:39,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:17:39,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:17:39,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:17:39,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:17:39,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:17:39,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:17:39,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:17:39,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:17:39,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:17:39,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:17:39,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:17:39,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:17:39,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:17:39,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:17:39,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:17:39,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:17:39,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:17:39,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:17:39,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:17:39,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:17:39,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:17:39,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:17:39,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:17:39,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:17:39,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-20 16:17:39,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:17:39,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:17:39,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 16:17:39,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 16:17:39,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:17:39,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 16:17:39,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:17:39,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:17:39,900 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 16:17:39,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:17:39,901 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:17:39,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:17:39,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:17:39,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:17:39,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:17:39,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:17:39,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:17:39,918 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:17:39,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:17:39,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:17:39,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:17:39,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:17:39,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 16:17:39,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 16:17:39,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 16:17:39,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:17:39,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:17:39,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:17:39,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 16:17:39,920 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-20 16:17:39,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:17:39,920 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 16:17:39,921 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-20 16:17:39,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:17:39,921 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-20 16:17:39,921 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-20 16:17:39,921 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_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cbe8dd40fecf4391efe5e4ba3939c64a9fdbbfb53083def47a68bbefda43a3c [2022-11-20 16:17:40,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:17:40,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:17:40,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:17:40,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:17:40,267 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:17:40,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2022-11-20 16:17:43,239 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:17:43,511 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:17:43,512 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2022-11-20 16:17:43,519 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/data/746089f64/26d40bb442b749248e8d9176168903fa/FLAG8cfde416a [2022-11-20 16:17:43,843 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/data/746089f64/26d40bb442b749248e8d9176168903fa [2022-11-20 16:17:43,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:17:43,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:17:43,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:17:43,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:17:43,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:17:43,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:17:43" (1/1) ... [2022-11-20 16:17:43,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffa24a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:43, skipping insertion in model container [2022-11-20 16:17:43,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:17:43" (1/1) ... [2022-11-20 16:17:43,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:17:43,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:17:44,061 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_1c842110-c72f-4a48-9df4-1b118a29b5b0/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c[5938,5951] [2022-11-20 16:17:44,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:17:44,075 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:17:44,105 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_1c842110-c72f-4a48-9df4-1b118a29b5b0/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c[5938,5951] [2022-11-20 16:17:44,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:17:44,120 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:17:44,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44 WrapperNode [2022-11-20 16:17:44,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:17:44,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:17:44,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:17:44,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:17:44,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,165 INFO L138 Inliner]: procedures = 25, calls = 120, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 248 [2022-11-20 16:17:44,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:17:44,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:17:44,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:17:44,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:17:44,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:17:44,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:17:44,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:17:44,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:17:44,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 16:17:44,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:17:44,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 16:17:44,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 16:17:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:17:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:17:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:17:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:17:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 16:17:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 16:17:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 16:17:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 16:17:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 16:17:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 16:17:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 16:17:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 16:17:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:17:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-20 16:17:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-20 16:17:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-20 16:17:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-20 16:17:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:17:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:17:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:17:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:17:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:17:44,323 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:17:44,508 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:17:44,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:17:44,944 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:17:45,034 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:17:45,034 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 16:17:45,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:45 BoogieIcfgContainer [2022-11-20 16:17:45,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:17:45,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 16:17:45,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 16:17:45,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 16:17:45,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:17:43" (1/3) ... [2022-11-20 16:17:45,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ada9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:17:45, skipping insertion in model container [2022-11-20 16:17:45,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (2/3) ... [2022-11-20 16:17:45,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ada9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:17:45, skipping insertion in model container [2022-11-20 16:17:45,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:45" (3/3) ... [2022-11-20 16:17:45,047 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2022-11-20 16:17:45,061 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 16:17:45,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 16:17:45,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 16:17:45,071 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 16:17:45,231 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-11-20 16:17:45,284 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 16:17:45,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-20 16:17:45,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:17:45,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-20 16:17:45,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-20 16:17:45,376 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-20 16:17:45,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork0 ======== [2022-11-20 16:17:45,399 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=PARTIAL_ORDER_FA, 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;@3da73b60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 16:17:45,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 16:18:02,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2022-11-20 16:18:02,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-20 16:18:02,730 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-20 16:18:02,732 INFO L307 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork0 was SAFE,SAFE (1/3) [2022-11-20 16:18:02,754 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 16:18:02,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-20 16:18:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:18:02,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-20 16:18:02,797 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-20 16:18:02,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-20 16:18:02,798 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=PARTIAL_ORDER_FA, 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;@3da73b60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 16:18:02,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 16:18:02,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-20 16:18:03,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:18:03,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:18:03,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2069470648, now seen corresponding path program 1 times [2022-11-20 16:18:03,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:18:03,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674128594] [2022-11-20 16:18:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:18:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:18:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:18:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:18:03,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:18:03,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674128594] [2022-11-20 16:18:03,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674128594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:18:03,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:18:03,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 16:18:03,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036829529] [2022-11-20 16:18:03,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:18:03,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 16:18:03,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:18:03,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 16:18:03,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 16:18:03,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:03,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:18:03,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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) [2022-11-20 16:18:03,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:03,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 16:18:03,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:18:03,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:18:03,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1054103335, now seen corresponding path program 1 times [2022-11-20 16:18:03,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:18:03,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935678746] [2022-11-20 16:18:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:18:03,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:18:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:18:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:18:05,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:18:05,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935678746] [2022-11-20 16:18:05,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935678746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:18:05,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:18:05,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 16:18:05,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383363089] [2022-11-20 16:18:05,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:18:05,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 16:18:05,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:18:05,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 16:18:05,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 16:18:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:05,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:18:05,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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) [2022-11-20 16:18:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:05,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:05,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:05,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:05,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 16:18:05,733 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:18:05,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:18:05,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1761366112, now seen corresponding path program 1 times [2022-11-20 16:18:05,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:18:05,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621560693] [2022-11-20 16:18:05,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:18:05,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:18:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:18:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:18:06,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:18:06,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621560693] [2022-11-20 16:18:06,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621560693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:18:06,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:18:06,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 16:18:06,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082804078] [2022-11-20 16:18:06,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:18:06,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 16:18:06,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:18:06,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 16:18:06,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 16:18:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:06,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:18:06,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2022-11-20 16:18:06,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:06,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:06,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:06,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 16:18:06,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:18:06,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:18:06,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1860178106, now seen corresponding path program 1 times [2022-11-20 16:18:06,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:18:06,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729766757] [2022-11-20 16:18:06,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:18:06,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:18:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:18:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:18:06,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:18:06,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729766757] [2022-11-20 16:18:06,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729766757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:18:06,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:18:06,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 16:18:06,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777200008] [2022-11-20 16:18:06,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:18:06,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 16:18:06,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:18:06,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 16:18:06,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 16:18:06,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:06,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:18:06,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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) [2022-11-20 16:18:06,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:06,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:06,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:06,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:06,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:06,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:06,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:06,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:06,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 16:18:06,791 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:18:06,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:18:06,791 INFO L85 PathProgramCache]: Analyzing trace with hash -2126004370, now seen corresponding path program 1 times [2022-11-20 16:18:06,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:18:06,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856682774] [2022-11-20 16:18:06,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:18:06,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:18:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:18:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:18:07,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:18:07,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856682774] [2022-11-20 16:18:07,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856682774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:18:07,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:18:07,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 16:18:07,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278515348] [2022-11-20 16:18:07,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:18:07,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 16:18:07,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:18:07,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 16:18:07,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 16:18:07,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:07,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:18:07,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2022-11-20 16:18:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 16:18:07,191 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:18:07,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:18:07,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1342196076, now seen corresponding path program 2 times [2022-11-20 16:18:07,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:18:07,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444959336] [2022-11-20 16:18:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:18:07,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:18:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:18:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:18:07,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:18:07,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444959336] [2022-11-20 16:18:07,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444959336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:18:07,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:18:07,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 16:18:07,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247523384] [2022-11-20 16:18:07,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:18:07,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 16:18:07,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:18:07,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 16:18:07,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 16:18:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:07,569 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:18:07,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-11-20 16:18:07,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:07,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:07,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:18:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 16:18:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 16:18:07,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 16:18:07,641 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-20 16:18:07,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:18:07,642 INFO L85 PathProgramCache]: Analyzing trace with hash 726048257, now seen corresponding path program 3 times [2022-11-20 16:18:07,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:18:07,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356550199] [2022-11-20 16:18:07,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:18:07,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:18:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:18:07,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:18:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:18:07,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 16:18:07,962 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 16:18:07,962 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-20 16:18:07,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-20 16:18:07,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-20 16:18:07,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 16:18:07,966 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2022-11-20 16:18:07,966 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/3) [2022-11-20 16:18:07,970 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 16:18:07,970 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 16:18:08,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:18:08 BasicIcfg [2022-11-20 16:18:08,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 16:18:08,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:18:08,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:18:08,178 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:18:08,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:45" (3/4) ... [2022-11-20 16:18:08,181 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:18:08,376 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/witness.graphml [2022-11-20 16:18:08,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:18:08,377 INFO L158 Benchmark]: Toolchain (without parser) took 24530.88ms. Allocated memory was 159.4MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 126.3MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 905.7MB. Max. memory is 16.1GB. [2022-11-20 16:18:08,378 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 128.1MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:18:08,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.88ms. Allocated memory is still 159.4MB. Free memory was 125.8MB in the beginning and 113.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:18:08,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.72ms. Allocated memory is still 159.4MB. Free memory was 113.2MB in the beginning and 111.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:18:08,379 INFO L158 Benchmark]: Boogie Preprocessor took 50.61ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:18:08,379 INFO L158 Benchmark]: RCFGBuilder took 819.81ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 81.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 16:18:08,380 INFO L158 Benchmark]: TraceAbstraction took 23137.87ms. Allocated memory was 159.4MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 80.8MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 811.3MB. Max. memory is 16.1GB. [2022-11-20 16:18:08,380 INFO L158 Benchmark]: Witness Printer took 198.64ms. Allocated memory is still 6.7GB. Free memory was 5.8GB in the beginning and 5.8GB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-20 16:18:08,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 128.1MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.88ms. Allocated memory is still 159.4MB. Free memory was 125.8MB in the beginning and 113.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.72ms. Allocated memory is still 159.4MB. Free memory was 113.2MB in the beginning and 111.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.61ms. Allocated memory is still 159.4MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 819.81ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 81.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23137.87ms. Allocated memory was 159.4MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 80.8MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 811.3MB. Max. memory is 16.1GB. * Witness Printer took 198.64ms. Allocated memory is still 6.7GB. Free memory was 5.8GB in the beginning and 5.8GB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1372850, independent: 1199458, independent conditional: 1183221, independent unconditional: 16237, dependent: 173392, dependent conditional: 173262, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 1183221, independent unconditional: 16237, dependent: 11055, dependent conditional: 10925, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 1183221, independent unconditional: 16237, dependent: 11055, dependent conditional: 10925, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 0, independent unconditional: 1199458, dependent: 11055, dependent conditional: 0, dependent unconditional: 11055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 0, independent unconditional: 1199458, dependent: 11055, dependent conditional: 0, dependent unconditional: 11055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 0, independent unconditional: 1199458, dependent: 11055, dependent conditional: 0, dependent unconditional: 11055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14702, independent: 14572, independent conditional: 0, independent unconditional: 14572, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14702, independent: 14540, independent conditional: 0, independent unconditional: 14540, dependent: 162, dependent conditional: 0, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 162, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 643, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 522, dependent conditional: 0, dependent unconditional: 522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1210513, independent: 1184886, independent conditional: 0, independent unconditional: 1184886, dependent: 10925, dependent conditional: 0, dependent unconditional: 10925, unknown: 14702, unknown conditional: 0, unknown unconditional: 14702] , Statistics on independence cache: Total cache size (in pairs): 14702, Positive cache size: 14572, Positive conditional cache size: 0, Positive unconditional cache size: 14572, Negative cache size: 130, Negative conditional cache size: 0, Negative unconditional cache size: 130, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 162337 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 5.5s, Number of persistent set computation: 82600, Number of trivial persistent sets: 55846, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16367, independent: 16237, independent conditional: 0, independent unconditional: 16237, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1372850, independent: 1199458, independent conditional: 1183221, independent unconditional: 16237, dependent: 173392, dependent conditional: 173262, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 1183221, independent unconditional: 16237, dependent: 11055, dependent conditional: 10925, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 1183221, independent unconditional: 16237, dependent: 11055, dependent conditional: 10925, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 0, independent unconditional: 1199458, dependent: 11055, dependent conditional: 0, dependent unconditional: 11055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 0, independent unconditional: 1199458, dependent: 11055, dependent conditional: 0, dependent unconditional: 11055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1210513, independent: 1199458, independent conditional: 0, independent unconditional: 1199458, dependent: 11055, dependent conditional: 0, dependent unconditional: 11055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14702, independent: 14572, independent conditional: 0, independent unconditional: 14572, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14702, independent: 14540, independent conditional: 0, independent unconditional: 14540, dependent: 162, dependent conditional: 0, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 162, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 162, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 643, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 522, dependent conditional: 0, dependent unconditional: 522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1210513, independent: 1184886, independent conditional: 0, independent unconditional: 1184886, dependent: 10925, dependent conditional: 0, dependent unconditional: 10925, unknown: 14702, unknown conditional: 0, unknown unconditional: 14702] , Statistics on independence cache: Total cache size (in pairs): 14702, Positive cache size: 14572, Positive conditional cache size: 0, Positive unconditional cache size: 14572, Negative cache size: 130, Negative conditional cache size: 0, Negative unconditional cache size: 130, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 162337 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28072, independent: 25056, independent conditional: 11923, independent unconditional: 13133, dependent: 3016, dependent conditional: 2941, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25143, independent: 25056, independent conditional: 11923, independent unconditional: 13133, dependent: 87, dependent conditional: 12, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25143, independent: 25056, independent conditional: 11923, independent unconditional: 13133, dependent: 87, dependent conditional: 12, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25160, independent: 25056, independent conditional: 0, independent unconditional: 25056, dependent: 104, dependent conditional: 17, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25160, independent: 25056, independent conditional: 0, independent unconditional: 25056, dependent: 104, dependent conditional: 9, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25160, independent: 25056, independent conditional: 0, independent unconditional: 25056, dependent: 104, dependent conditional: 9, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12891, independent: 12811, independent conditional: 0, independent unconditional: 12811, dependent: 80, dependent conditional: 5, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12891, independent: 12794, independent conditional: 0, independent unconditional: 12794, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 80, dependent conditional: 5, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 80, dependent conditional: 5, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 323, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 265, dependent conditional: 28, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25160, independent: 12245, independent conditional: 0, independent unconditional: 12245, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 12891, unknown conditional: 5, unknown unconditional: 12886] , Statistics on independence cache: Total cache size (in pairs): 12891, Positive cache size: 12811, Positive conditional cache size: 0, Positive unconditional cache size: 12811, Negative cache size: 80, Negative conditional cache size: 5, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 2, Independence queries for same thread: 2929 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 307, Number of trivial persistent sets: 297, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13208, independent: 13133, independent conditional: 0, independent unconditional: 13133, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28072, independent: 25056, independent conditional: 11923, independent unconditional: 13133, dependent: 3016, dependent conditional: 2941, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25143, independent: 25056, independent conditional: 11923, independent unconditional: 13133, dependent: 87, dependent conditional: 12, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25143, independent: 25056, independent conditional: 11923, independent unconditional: 13133, dependent: 87, dependent conditional: 12, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25160, independent: 25056, independent conditional: 0, independent unconditional: 25056, dependent: 104, dependent conditional: 17, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25160, independent: 25056, independent conditional: 0, independent unconditional: 25056, dependent: 104, dependent conditional: 9, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25160, independent: 25056, independent conditional: 0, independent unconditional: 25056, dependent: 104, dependent conditional: 9, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12891, independent: 12811, independent conditional: 0, independent unconditional: 12811, dependent: 80, dependent conditional: 5, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12891, independent: 12794, independent conditional: 0, independent unconditional: 12794, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 97, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 80, dependent conditional: 5, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 97, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 80, dependent conditional: 5, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 323, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 265, dependent conditional: 28, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25160, independent: 12245, independent conditional: 0, independent unconditional: 12245, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 12891, unknown conditional: 5, unknown unconditional: 12886] , Statistics on independence cache: Total cache size (in pairs): 12891, Positive cache size: 12811, Positive conditional cache size: 0, Positive unconditional cache size: 12811, Negative cache size: 80, Negative conditional cache size: 5, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 2, Independence queries for same thread: 2929 - CounterExampleResult [Line: 241]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L38] 0 unsigned int x_0, y_1, x_8, y_9; VAL [x_0=0, x_8=0, y_1=0, y_9=0] [L39] 0 _Bool f1_2, f2_3, f1_10, f2_11; VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, x_0=0, x_8=0, y_1=0, y_9=0] [L40] 0 unsigned int temp_4, temp_5, temp_6, temp_7, temp_12, temp_13, temp_14, temp_15; VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=0, x_8=0, y_1=0, y_9=0] [L212] 0 pthread_t t1, t4; VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=0, x_8=0, y_1=0, y_9=0] [L215] 0 x_0 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967303, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=4294967303, x_8=0, y_1=0, y_9=0] [L216] 0 y_1 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=6, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=4294967303, x_8=0, y_1=6, y_9=0] [L217] 0 x_8 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=7, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=4294967303, x_8=7, y_1=6, y_9=0] [L218] 0 y_9 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967302, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=0, temp_5=0, temp_6=0, temp_7=0, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L219] 0 temp_4 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967312, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967312, temp_5=0, temp_6=0, temp_7=0, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L220] 0 temp_5 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967315, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967312, temp_5=4294967315, temp_6=0, temp_7=0, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L221] 0 temp_6 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967313, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=0, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L222] 0 temp_7 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967314, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=0, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L223] 0 temp_12 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967309, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=0, temp_14=0, temp_15=0, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L224] 0 temp_13 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967305, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=0, temp_15=0, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L225] 0 temp_14 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967306, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=0, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L226] 0 temp_15 = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967308, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L227] 0 f1_2 = __VERIFIER_nondet_bool() VAL [__VERIFIER_nondet_bool()=4294967316, f1_10=0, f1_2=4294967316, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L228] 0 f2_3 = __VERIFIER_nondet_bool() VAL [__VERIFIER_nondet_bool()=4294967310, f1_10=0, f1_2=4294967316, f2_11=0, f2_3=4294967310, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L229] 0 f1_10 = __VERIFIER_nondet_bool() VAL [__VERIFIER_nondet_bool()=4294967311, f1_10=4294967311, f1_2=4294967316, f2_11=0, f2_3=4294967310, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L230] 0 f2_11 = __VERIFIER_nondet_bool() VAL [__VERIFIER_nondet_bool()=4294967307, f1_10=4294967311, f1_2=4294967316, f2_11=4294967307, f2_3=4294967310, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L233] CALL 0 assume_abort_if_not( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) [L35] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, f1_10=4294967311, f1_2=4294967316, f2_11=4294967307, f2_3=4294967310, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L233] RET 0 assume_abort_if_not( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) [L235] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [f1_10=4294967311, f1_2=4294967316, f2_11=4294967307, f2_3=4294967310, pthread_create(&t1, 0, thread1, 0)=-6, t1={10:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L112] 1 pthread_t t2, t3; VAL [f1_10=4294967311, f1_2=4294967316, f2_11=4294967307, f2_3=4294967310, t2={14:0}, t3={15:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L115] 1 f1_2 = 0 [L116] 1 f2_3 = 0 VAL [f1_10=4294967311, f1_2=0, f2_11=4294967307, f2_3=0, t2={14:0}, t3={15:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L119] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [f1_10=4294967311, f1_2=0, f2_11=4294967307, f2_3=0, pthread_create(&t2, 0, thread2, 0)=-5, t2={14:0}, t3={15:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L236] FCALL, FORK 0 pthread_create(&t4, 0, thread4, 0) VAL [f1_10=4294967311, f1_2=0, f2_11=4294967307, f2_3=0, pthread_create(&t2, 0, thread2, 0)=-5, pthread_create(&t4, 0, thread4, 0)=-4, t1={10:0}, t2={14:0}, t3={15:0}, t4={11:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L196] 3 pthread_t t5, t6; VAL [f1_10=4294967311, f1_2=0, f2_11=4294967307, f2_3=0, pthread_create(&t2, 0, thread2, 0)=-5, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L199] 3 f1_10 = 0 [L200] 3 f2_11 = 0 VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t2, 0, thread2, 0)=-5, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L203] FCALL, FORK 3 pthread_create(&t5, 0, thread5, 0) VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t2, 0, thread2, 0)=-5, pthread_create(&t5, 0, thread5, 0)=-3, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L237] 0 \read(t1) VAL [\read(t1)=-6, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t2, 0, thread2, 0)=-5, pthread_create(&t5, 0, thread5, 0)=-3, t1={10:0}, t2={14:0}, t3={15:0}, t4={11:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L120] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t3, 0, thread3, 0)=-2, pthread_create(&t5, 0, thread5, 0)=-3, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L204] FCALL, FORK 3 pthread_create(&t6, 0, thread6, 0) VAL [f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t3, 0, thread3, 0)=-2, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L121] 1 \read(t2) VAL [\read(t2)=-5, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L44] COND FALSE 2 !(__VERIFIER_nondet_bool()) VAL [\read(t2)=-5, __VERIFIER_nondet_bool()=0, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L74] 2 return 0; VAL [\read(t2)=-5, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L121] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-5, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L122] 1 \read(t3) VAL [\read(t3)=-2, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L78] COND FALSE 5 !(__VERIFIER_nondet_bool()) VAL [\read(t3)=-2, __VERIFIER_nondet_bool()=0, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L108] 5 return 0; VAL [\read(t3)=-2, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L122] FCALL, JOIN 5 pthread_join(t3, 0) VAL [\read(t3)=-2, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L124] 1 return 0; VAL [\result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t2={14:0}, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L124] 1 return 0; VAL [\result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t3={15:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L124] 1 return 0; VAL [\result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L237] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-6, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t1={10:0}, t4={11:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L238] 0 \read(t4) VAL [\read(t4)=-4, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, pthread_create(&t6, 0, thread6, 0)=-1, t1={10:0}, t4={11:0}, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L205] 3 \read(t5) VAL [\read(t5)=-3, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L128] COND TRUE 4 __VERIFIER_nondet_bool() VAL [\read(t5)=-3, \result={0:0}, __VERIFIER_nondet_bool()=1, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=4294967309, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L130] 4 temp_12 = x_8 VAL [\read(t5)=-3, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=7, y_1=6, y_9=4294967302] [L133] 4 x_8 = temp_12 + 1 VAL [\read(t5)=-3, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967302] [L137] 4 f1_10 = 1 VAL [\read(t5)=-3, \result={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967302] [L162] COND TRUE 6 __VERIFIER_nondet_bool() VAL [\read(t5)=-3, \result={0:0}, __VERIFIER_nondet_bool()=1, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967305, temp_14=4294967306, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967302] [L164] 6 temp_14 = y_9 VAL [\read(t5)=-3, \result={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967305, temp_14=4294967302, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967302] [L167] 6 y_9 = temp_14 + 1 VAL [\read(t5)=-3, \result={0:0}, f1_10=1, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967305, temp_14=4294967302, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967303] [L171] 6 f2_11 = 1 VAL [\read(t5)=-3, \result={0:0}, f1_10=1, f1_2=0, f2_11=1, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967305, temp_14=4294967302, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967303] [L140] CALL 4 assume_abort_if_not(f2_11) [L35] COND FALSE 4 !(!cond) [L140] RET 4 assume_abort_if_not(f2_11) [L144] 4 temp_13 = y_9 VAL [\read(t5)=-3, \result={0:0}, f1_10=1, f1_2=0, f2_11=1, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967303] [L147] 4 y_9 = temp_13 + 1 VAL [\read(t5)=-3, \result={0:0}, f1_10=1, f1_2=0, f2_11=1, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967304] [L174] CALL 6 assume_abort_if_not(f1_10) [L35] COND FALSE 6 !(!cond) [L174] RET 6 assume_abort_if_not(f1_10) [L151] 4 f1_10 = 0 VAL [\read(t5)=-3, \result={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=4294967308, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967304] [L178] 6 temp_15 = x_8 VAL [\read(t5)=-3, \result={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=8, y_1=6, y_9=4294967304] [L181] 6 x_8 = temp_15 + 1 VAL [\read(t5)=-3, \result={0:0}, f1_10=0, f1_2=0, f2_11=1, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L185] 6 f2_11 = 0 VAL [\read(t5)=-3, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L154] CALL 4 assume_abort_if_not(!f2_11) [L35] COND FALSE 4 !(!cond) [L154] RET 4 assume_abort_if_not(!f2_11) [L188] CALL 6 assume_abort_if_not(!f1_10) [L35] COND FALSE 6 !(!cond) [L188] RET 6 assume_abort_if_not(!f1_10) [L128] COND FALSE 4 !(__VERIFIER_nondet_bool()) VAL [\read(t5)=-3, \result={0:0}, __VERIFIER_nondet_bool()=0, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L158] 4 return 0; VAL [\read(t5)=-3, \result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L205] FCALL, JOIN 4 pthread_join(t5, 0) VAL [\read(t5)=-3, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L206] 3 \read(t6) VAL [\read(t6)=-1, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L162] COND FALSE 6 !(__VERIFIER_nondet_bool()) VAL [\read(t6)=-1, \result={0:0}, __VERIFIER_nondet_bool()=0, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L192] 6 return 0; VAL [\read(t6)=-1, \result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L206] FCALL, JOIN 6 pthread_join(t6, 0) VAL [\read(t6)=-1, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L208] 3 return 0; VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t5={16:0}, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L208] 3 return 0; VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t6={8:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L208] 3 return 0; VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L238] FCALL, JOIN 3 pthread_join(t4, 0) VAL [\read(t4)=-4, \result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L240] CALL 0 assume_abort_if_not( !( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) ) [L35] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \old(cond)=1, \old(cond)=1, \result={0:0}, \result={0:0}, cond=1, cond=1, cond=1, f1_10=0, f1_2=0, f2_11=0, f2_3=0, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] [L240] RET 0 assume_abort_if_not( !( ( x_0 == x_8 ) && ( y_1 == y_9 ) ) ) [L241] 0 reach_error() VAL [\result={0:0}, \result={0:0}, f1_10=0, f1_2=0, f2_11=0, f2_3=0, t1={10:0}, t4={11:0}, temp_12=7, temp_13=4294967303, temp_14=4294967302, temp_15=8, temp_4=4294967312, temp_5=4294967315, temp_6=4294967313, temp_7=4294967314, x_0=4294967303, x_8=9, y_1=6, y_9=4294967304] - UnprovableResult [Line: 235]: 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: 236]: 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 for errors in thread instance: thread4Thread1of1ForFork0 with 1 thread instances CFG has 13 procedures, 339 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 17.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 339 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1239 NumberOfCodeBlocks, 1239 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1050 ConstructedInterpolants, 0 QuantifiedInterpolants, 4136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 28/28 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! [2022-11-20 16:18:08,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 16:18:08,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 16:18:08,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c842110-c72f-4a48-9df4-1b118a29b5b0/bin/ugemcutter-CCe4ZdLeKS/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