./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k --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 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 --- 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-8393723 [2022-11-18 01:45:59,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:45:59,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:45:59,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:45:59,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:45:59,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:45:59,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:45:59,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:45:59,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:45:59,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:45:59,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:45:59,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:45:59,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:45:59,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:45:59,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:45:59,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:45:59,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:45:59,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:45:59,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:45:59,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:45:59,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:45:59,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:45:59,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:45:59,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:45:59,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:45:59,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:45:59,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:45:59,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:45:59,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:45:59,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:45:59,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:45:59,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:45:59,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:45:59,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:45:59,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:45:59,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:45:59,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:45:59,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:45:59,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:45:59,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:45:59,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:45:59,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-18 01:45:59,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:45:59,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:45:59,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:45:59,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:45:59,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:45:59,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:45:59,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:45:59,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:45:59,906 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:45:59,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:45:59,907 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:45:59,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:45:59,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:45:59,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:45:59,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:45:59,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:45:59,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:45:59,908 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:45:59,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:45:59,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:45:59,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:45:59,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:45:59,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:45:59,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:45:59,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:45:59,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:45:59,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:45:59,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:45:59,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:45:59,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:45:59,912 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:45:59,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:45:59,912 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:45:59,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:45:59,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:45:59,913 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:45:59,913 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:45:59,913 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_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 [2022-11-18 01:46:00,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:46:00,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:46:00,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:46:00,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:46:00,240 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:46:00,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2022-11-18 01:46:00,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/data/3c69bc98a/98343bfa37e646cf91c503bd35044000/FLAGb89d76a52 [2022-11-18 01:46:00,900 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:46:00,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2022-11-18 01:46:00,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/data/3c69bc98a/98343bfa37e646cf91c503bd35044000/FLAGb89d76a52 [2022-11-18 01:46:01,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/data/3c69bc98a/98343bfa37e646cf91c503bd35044000 [2022-11-18 01:46:01,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:46:01,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:46:01,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:46:01,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:46:01,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:46:01,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a62249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01, skipping insertion in model container [2022-11-18 01:46:01,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:46:01,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:46:01,450 WARN L234 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_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2022-11-18 01:46:01,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:46:01,649 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:46:01,662 WARN L234 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_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i[959,972] [2022-11-18 01:46:01,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:46:01,756 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:46:01,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01 WrapperNode [2022-11-18 01:46:01,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:46:01,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:46:01,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:46:01,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:46:01,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,844 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 143 [2022-11-18 01:46:01,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:46:01,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:46:01,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:46:01,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:46:01,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:46:01,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:46:01,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:46:01,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:46:01,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (1/1) ... [2022-11-18 01:46:01,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:46:01,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:46:01,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:46:01,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:46:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:46:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 01:46:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:46:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:46:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:46:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-18 01:46:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-18 01:46:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-18 01:46:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-18 01:46:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-18 01:46:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-18 01:46:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:46:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 01:46:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:46:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:46:02,002 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:46:02,164 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:46:02,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:46:02,529 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:46:02,755 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:46:02,755 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 01:46:02,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:02 BoogieIcfgContainer [2022-11-18 01:46:02,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:46:02,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:46:02,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:46:02,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:46:02,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:46:01" (1/3) ... [2022-11-18 01:46:02,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad4a4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:46:02, skipping insertion in model container [2022-11-18 01:46:02,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:46:01" (2/3) ... [2022-11-18 01:46:02,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad4a4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:46:02, skipping insertion in model container [2022-11-18 01:46:02,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:02" (3/3) ... [2022-11-18 01:46:02,768 INFO L112 eAbstractionObserver]: Analyzing ICFG safe021_power.opt_pso.opt.i [2022-11-18 01:46:02,777 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:46:02,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:46:02,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 01:46:02,788 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:46:02,894 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 01:46:02,957 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:46:02,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:46:02,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:46:02,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:46:02,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:46:03,013 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:46:03,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-18 01:46:03,043 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;@6cabafc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:46:03,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-18 01:46:03,420 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:46:03,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:46:03,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1942650278, now seen corresponding path program 1 times [2022-11-18 01:46:03,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:46:03,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615629082] [2022-11-18 01:46:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:03,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:46:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:46:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:46:03,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:46:03,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615629082] [2022-11-18 01:46:03,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615629082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:46:03,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:46:03,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 01:46:03,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815634381] [2022-11-18 01:46:03,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:46:03,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 01:46:03,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:46:03,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 01:46:03,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 01:46:03,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:03,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:46:03,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 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) [2022-11-18 01:46:03,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:03,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 01:46:03,889 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:46:03,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:46:03,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1698836130, now seen corresponding path program 1 times [2022-11-18 01:46:03,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:46:03,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752081469] [2022-11-18 01:46:03,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:03,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:46:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:46:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:46:04,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:46:04,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752081469] [2022-11-18 01:46:04,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752081469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:46:04,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:46:04,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 01:46:04,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451466910] [2022-11-18 01:46:04,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:46:04,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 01:46:04,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:46:04,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 01:46:04,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 01:46:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:04,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:46:04,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2022-11-18 01:46:04,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:04,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:04,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:04,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:04,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 01:46:04,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:46:04,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:46:04,633 INFO L85 PathProgramCache]: Analyzing trace with hash 611284768, now seen corresponding path program 1 times [2022-11-18 01:46:04,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:46:04,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218279227] [2022-11-18 01:46:04,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:04,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:46:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:46:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:46:05,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:46:05,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218279227] [2022-11-18 01:46:05,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218279227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:46:05,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:46:05,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 01:46:05,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15733939] [2022-11-18 01:46:05,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:46:05,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 01:46:05,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:46:05,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 01:46:05,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 01:46:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:05,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:46:05,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2022-11-18 01:46:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:05,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:46:05,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 01:46:05,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:46:05,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:46:05,450 INFO L85 PathProgramCache]: Analyzing trace with hash -644822093, now seen corresponding path program 1 times [2022-11-18 01:46:05,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:46:05,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468325929] [2022-11-18 01:46:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:05,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:46:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:46:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:46:07,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:46:07,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468325929] [2022-11-18 01:46:07,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468325929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:46:07,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:46:07,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 01:46:07,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580625990] [2022-11-18 01:46:07,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:46:07,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 01:46:07,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:46:07,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 01:46:07,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-18 01:46:07,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:07,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:46:07,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2022-11-18 01:46:07,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:07,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:07,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:46:07,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:08,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 01:46:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:46:08,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 01:46:08,114 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:46:08,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:46:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2027626735, now seen corresponding path program 2 times [2022-11-18 01:46:08,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:46:08,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852725181] [2022-11-18 01:46:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:08,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:46:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 01:46:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 01:46:10,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 01:46:10,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852725181] [2022-11-18 01:46:10,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852725181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 01:46:10,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 01:46:10,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 01:46:10,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255523520] [2022-11-18 01:46:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 01:46:10,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 01:46:10,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 01:46:10,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 01:46:10,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-18 01:46:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:10,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-18 01:46:10,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 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) [2022-11-18 01:46:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-18 01:46:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:46:10,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:10,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 01:46:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 01:46:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 01:46:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 01:46:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 01:46:10,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 01:46:10,973 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-18 01:46:10,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 01:46:10,977 INFO L85 PathProgramCache]: Analyzing trace with hash 864578031, now seen corresponding path program 3 times [2022-11-18 01:46:10,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 01:46:10,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504040162] [2022-11-18 01:46:10,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 01:46:10,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 01:46:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 01:46:11,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 01:46:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 01:46:11,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 01:46:11,204 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 01:46:11,205 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-18 01:46:11,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-18 01:46:11,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-18 01:46:11,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-18 01:46:11,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 01:46:11,221 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2022-11-18 01:46:11,227 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2022-11-18 01:46:11,231 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 01:46:11,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 01:46:11,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:46:11 BasicIcfg [2022-11-18 01:46:11,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 01:46:11,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 01:46:11,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 01:46:11,360 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 01:46:11,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:46:02" (3/4) ... [2022-11-18 01:46:11,362 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 01:46:11,472 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/witness.graphml [2022-11-18 01:46:11,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 01:46:11,473 INFO L158 Benchmark]: Toolchain (without parser) took 10270.73ms. Allocated memory was 125.8MB in the beginning and 276.8MB in the end (delta: 151.0MB). Free memory was 86.6MB in the beginning and 186.9MB in the end (delta: -100.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2022-11-18 01:46:11,473 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:46:11,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.83ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 88.6MB in the end (delta: -2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 01:46:11,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.19ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 85.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 01:46:11,475 INFO L158 Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 125.8MB. Free memory was 85.6MB in the beginning and 84.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:46:11,475 INFO L158 Benchmark]: RCFGBuilder took 846.79ms. Allocated memory is still 125.8MB. Free memory was 83.5MB in the beginning and 48.7MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-18 01:46:11,475 INFO L158 Benchmark]: TraceAbstraction took 8600.01ms. Allocated memory was 125.8MB in the beginning and 276.8MB in the end (delta: 151.0MB). Free memory was 47.9MB in the beginning and 211.0MB in the end (delta: -163.1MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2022-11-18 01:46:11,476 INFO L158 Benchmark]: Witness Printer took 113.18ms. Allocated memory is still 276.8MB. Free memory was 211.0MB in the beginning and 186.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 01:46:11,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.83ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 88.6MB in the end (delta: -2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.19ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 85.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.76ms. Allocated memory is still 125.8MB. Free memory was 85.6MB in the beginning and 84.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 846.79ms. Allocated memory is still 125.8MB. Free memory was 83.5MB in the beginning and 48.7MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8600.01ms. Allocated memory was 125.8MB in the beginning and 276.8MB in the end (delta: 151.0MB). Free memory was 47.9MB in the beginning and 211.0MB in the end (delta: -163.1MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Witness Printer took 113.18ms. Allocated memory is still 276.8MB. Free memory was 211.0MB in the beginning and 186.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6279, independent: 6119, independent conditional: 4655, independent unconditional: 1464, dependent: 160, dependent conditional: 128, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6216, independent: 6119, independent conditional: 4655, independent unconditional: 1464, dependent: 97, dependent conditional: 65, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6216, independent: 6119, independent conditional: 4655, independent unconditional: 1464, dependent: 97, dependent conditional: 65, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6647, independent: 6119, independent conditional: 166, independent unconditional: 5953, dependent: 528, dependent conditional: 265, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6647, independent: 6119, independent conditional: 166, independent unconditional: 5953, dependent: 528, dependent conditional: 36, dependent unconditional: 492, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6647, independent: 6119, independent conditional: 166, independent unconditional: 5953, dependent: 528, dependent conditional: 36, dependent unconditional: 492, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1514, independent: 1478, independent conditional: 14, independent unconditional: 1464, dependent: 36, dependent conditional: 4, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1514, independent: 1456, independent conditional: 0, independent unconditional: 1456, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 58, independent: 22, independent conditional: 14, independent unconditional: 8, dependent: 36, dependent conditional: 4, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 22, independent conditional: 14, independent unconditional: 8, dependent: 36, dependent conditional: 4, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 570, independent: 162, independent conditional: 95, independent unconditional: 67, dependent: 408, dependent conditional: 23, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6647, independent: 4641, independent conditional: 152, independent unconditional: 4489, dependent: 492, dependent conditional: 32, dependent unconditional: 460, unknown: 1514, unknown conditional: 18, unknown unconditional: 1496] , Statistics on independence cache: Total cache size (in pairs): 1514, Positive cache size: 1478, Positive conditional cache size: 14, Positive unconditional cache size: 1464, Negative cache size: 36, Negative conditional cache size: 4, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 229, Maximal queried relation: 3, Independence queries for same thread: 63 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 1109, Number of trivial persistent sets: 447, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1496, independent: 1464, independent conditional: 0, independent unconditional: 1464, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6279, independent: 6119, independent conditional: 4655, independent unconditional: 1464, dependent: 160, dependent conditional: 128, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6216, independent: 6119, independent conditional: 4655, independent unconditional: 1464, dependent: 97, dependent conditional: 65, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6216, independent: 6119, independent conditional: 4655, independent unconditional: 1464, dependent: 97, dependent conditional: 65, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6647, independent: 6119, independent conditional: 166, independent unconditional: 5953, dependent: 528, dependent conditional: 265, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6647, independent: 6119, independent conditional: 166, independent unconditional: 5953, dependent: 528, dependent conditional: 36, dependent unconditional: 492, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6647, independent: 6119, independent conditional: 166, independent unconditional: 5953, dependent: 528, dependent conditional: 36, dependent unconditional: 492, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1514, independent: 1478, independent conditional: 14, independent unconditional: 1464, dependent: 36, dependent conditional: 4, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1514, independent: 1456, independent conditional: 0, independent unconditional: 1456, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 58, independent: 22, independent conditional: 14, independent unconditional: 8, dependent: 36, dependent conditional: 4, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 22, independent conditional: 14, independent unconditional: 8, dependent: 36, dependent conditional: 4, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 570, independent: 162, independent conditional: 95, independent unconditional: 67, dependent: 408, dependent conditional: 23, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6647, independent: 4641, independent conditional: 152, independent unconditional: 4489, dependent: 492, dependent conditional: 32, dependent unconditional: 460, unknown: 1514, unknown conditional: 18, unknown unconditional: 1496] , Statistics on independence cache: Total cache size (in pairs): 1514, Positive cache size: 1478, Positive conditional cache size: 14, Positive unconditional cache size: 1464, Negative cache size: 36, Negative conditional cache size: 4, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 229, Maximal queried relation: 3, Independence queries for same thread: 63 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L713] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_p2_EBX=0] [L718] 0 _Bool x$flush_delayed; VAL [__unbuffered_p2_EBX=0, x$flush_delayed=0] [L729] 0 int *x$read_delayed_var; VAL [__unbuffered_p2_EBX=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L719] 0 int x$mem_tmp; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$read_delayed_var={0:0}] [L723] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L721] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L722] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L720] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L728] 0 _Bool x$read_delayed; VAL [__unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L733] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L731] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0_used=0, x$w_buff1_used=0] [L730] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1_used=0] [L732] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L725] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L724] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L735] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L737] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L727] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L726] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L820] 0 pthread_t t2284; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2284={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L821] FCALL, FORK 0 pthread_create(&t2284, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2284, ((void *)0), P0, ((void *)0))=-2, t2284={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L822] 0 pthread_t t2285; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L823] FCALL, FORK 0 pthread_create(&t2285, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2285, ((void *)0), P1, ((void *)0))=-1, t2284={5:0}, t2285={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L763] 2 x$w_buff1 = x$w_buff0 [L764] 2 x$w_buff0 = 2 [L765] 2 x$w_buff1_used = x$w_buff0_used [L766] 2 x$w_buff0_used = (_Bool)1 [L767] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L767] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L768] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L769] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L770] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L771] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L772] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L824] 0 pthread_t t2286; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L825] FCALL, FORK 0 pthread_create(&t2286, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2286, ((void *)0), P2, ((void *)0))=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L792] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L795] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L798] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L799] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L800] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L801] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L802] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L805] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L807] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L743] 1 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L746] 1 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L778] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L779] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L780] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L781] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L782] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L787] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L749] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L750] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L751] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L752] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L753] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L827] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L829] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L829] RET 0 assume_abort_if_not(main$tmp_guard0) [L831] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L832] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L833] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L834] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L835] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L838] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L839] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L840] 0 x$flush_delayed = weak$$choice2 [L841] 0 x$mem_tmp = x [L842] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L843] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L844] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L845] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L846] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L848] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L849] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L850] 0 x = x$flush_delayed ? x$mem_tmp : x [L851] 0 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L853] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 823]: 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: 821]: 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: 825]: 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: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 142 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.3s, 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: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 2501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 01:46:11,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-18 01:46:11,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce1d3cab-a6c2-4846-b137-9729ae2da4b5/bin/ugemcutter-AnMVkTqH3k/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