./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d --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 b046eb92ec2f4af5c767436762d7e86376926c2222092f8f03ea795d781fd943 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:48:38,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:48:38,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:48:38,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:48:38,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:48:38,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:48:38,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:48:38,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:48:38,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:48:38,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:48:38,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:48:38,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:48:38,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:48:38,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:48:38,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:48:38,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:48:38,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:48:38,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:48:38,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:48:38,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:48:38,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:48:38,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:48:38,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:48:38,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:48:38,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:48:38,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:48:38,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:48:38,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:48:38,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:48:38,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:48:38,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:48:38,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:48:38,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:48:38,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:48:38,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:48:38,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:48:38,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:48:38,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:48:38,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:48:38,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:48:38,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:48:38,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:48:38,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:48:38,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:48:38,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:48:38,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:48:38,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:48:38,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:48:38,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:48:38,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:48:38,927 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:48:38,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:48:38,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:48:38,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:48:38,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:48:38,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:48:38,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:48:38,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:48:38,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:48:38,930 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:48:38,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:48:38,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:48:38,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:48:38,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:48:38,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:48:38,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:48:38,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:48:38,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:48:38,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:48:38,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:48:38,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:48:38,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:48:38,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:48:38,936 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:48:38,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:48:38,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:48:38,937 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:48:38,937 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:48:38,938 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_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b046eb92ec2f4af5c767436762d7e86376926c2222092f8f03ea795d781fd943 [2021-11-20 07:48:39,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:48:39,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:48:39,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:48:39,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:48:39,240 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:48:39,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-20 07:48:39,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/data/86b612c71/8ffc002f405d4787a9b40d8202af0154/FLAGc4cafc8af [2021-11-20 07:48:39,920 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:48:39,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-20 07:48:39,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/data/86b612c71/8ffc002f405d4787a9b40d8202af0154/FLAGc4cafc8af [2021-11-20 07:48:40,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/data/86b612c71/8ffc002f405d4787a9b40d8202af0154 [2021-11-20 07:48:40,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:48:40,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:48:40,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:48:40,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:48:40,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:48:40,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:40,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da25c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40, skipping insertion in model container [2021-11-20 07:48:40,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:40,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:48:40,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:48:40,452 WARN L230 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_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-11-20 07:48:40,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:48:40,764 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:48:40,790 WARN L230 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_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-11-20 07:48:40,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:48:40,907 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:48:40,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40 WrapperNode [2021-11-20 07:48:40,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:48:40,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:48:40,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:48:40,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:48:40,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:40,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:40,995 INFO L137 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 273 [2021-11-20 07:48:40,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:48:40,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:48:40,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:48:40,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:48:41,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:41,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:41,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:41,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:41,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:41,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:41,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:41,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:48:41,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:48:41,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:48:41,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:48:41,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (1/1) ... [2021-11-20 07:48:41,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:48:41,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:41,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:48:41,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:48:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:48:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 07:48:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:48:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:48:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:48:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-20 07:48:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-20 07:48:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-20 07:48:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-20 07:48:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-20 07:48:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-20 07:48:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:48:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 07:48:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:48:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:48:41,188 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:48:41,350 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:48:41,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:48:42,088 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:48:42,512 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:48:42,512 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:48:42,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:42 BoogieIcfgContainer [2021-11-20 07:48:42,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:48:42,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:48:42,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:48:42,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:48:42,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:48:40" (1/3) ... [2021-11-20 07:48:42,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71477e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:42, skipping insertion in model container [2021-11-20 07:48:42,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:40" (2/3) ... [2021-11-20 07:48:42,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71477e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:42, skipping insertion in model container [2021-11-20 07:48:42,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:42" (3/3) ... [2021-11-20 07:48:42,530 INFO L111 eAbstractionObserver]: Analyzing ICFG safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-20 07:48:42,536 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:48:42,537 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:48:42,537 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 07:48:42,537 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:48:42,601 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,601 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,602 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,602 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,602 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,602 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,603 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,603 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,604 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,606 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,606 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,607 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,614 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,616 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,616 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,616 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,616 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,617 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,617 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,617 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,618 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,618 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,619 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,619 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,619 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,619 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,620 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,620 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,620 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,621 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,621 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,621 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,622 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,622 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,622 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,623 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,623 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,623 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,624 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,624 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,624 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,626 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,626 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,626 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,627 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,627 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,627 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,635 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,635 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,635 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,635 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,646 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,652 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,653 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,653 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,653 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,653 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,654 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,654 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,654 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,656 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,657 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,657 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,657 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,657 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,658 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,658 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,658 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,659 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,659 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,659 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,659 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,660 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,660 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,661 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,661 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,661 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,661 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,662 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,662 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,662 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,663 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:42,663 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:48:42,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:48:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:48:42,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:48:42,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:48:42,776 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-20 07:48:42,783 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:48:42,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-20 07:48:42,990 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,017 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,022 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,057 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,079 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,079 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,080 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,080 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,080 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,082 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,082 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,082 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,083 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,083 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,083 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,083 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,084 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,084 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,117 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,118 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,119 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,119 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,119 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,119 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,120 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,122 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,122 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,122 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,123 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,123 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,123 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,124 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,158 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,158 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,158 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,159 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,159 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,159 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,159 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,160 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,160 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,160 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,160 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,161 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,161 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,161 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:43,233 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:43,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1294223052, now seen corresponding path program 1 times [2021-11-20 07:48:43,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:43,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621660478] [2021-11-20 07:48:43,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:43,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:43,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:43,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621660478] [2021-11-20 07:48:43,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621660478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:43,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:43,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:48:43,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49963250] [2021-11-20 07:48:43,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:43,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:48:43,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:43,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:48:43,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:48:43,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:43,632 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:43,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 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) [2021-11-20 07:48:43,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:43,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:48:43,689 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:43,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:43,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1218056957, now seen corresponding path program 1 times [2021-11-20 07:48:43,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:43,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902000728] [2021-11-20 07:48:43,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:43,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:44,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:44,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902000728] [2021-11-20 07:48:44,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902000728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:44,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:44,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:48:44,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875895765] [2021-11-20 07:48:44,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:44,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:48:44,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:44,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:48:44,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:48:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:44,051 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:44,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) [2021-11-20 07:48:44,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:44,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:44,219 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,239 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,239 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,240 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,240 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,240 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,241 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,241 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,241 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,241 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,242 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,242 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,242 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,243 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,243 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,281 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,300 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,301 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,301 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,301 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,302 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,302 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,302 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,303 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,303 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,303 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,303 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,304 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,304 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,304 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,360 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,360 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,361 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,361 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,361 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,362 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,362 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,362 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,362 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,363 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,363 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,363 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,364 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,364 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,412 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,412 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,412 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,412 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,413 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,413 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,413 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,413 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,414 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,415 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,459 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,459 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,459 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,459 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,460 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,460 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,460 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,460 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,461 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,461 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,461 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,461 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,462 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,489 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,489 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,490 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,490 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,490 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,490 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,491 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,491 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,491 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,491 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,492 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,492 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,518 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,519 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,519 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,520 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,520 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,520 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,520 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,521 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,521 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,521 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,521 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,577 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,585 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,586 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,586 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,586 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,587 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,587 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,587 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,588 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,588 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,590 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:44,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:44,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:48:44,648 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:44,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:44,649 INFO L85 PathProgramCache]: Analyzing trace with hash -862981951, now seen corresponding path program 1 times [2021-11-20 07:48:44,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:44,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794414935] [2021-11-20 07:48:44,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:44,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:44,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:44,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794414935] [2021-11-20 07:48:44,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794414935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:44,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:44,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:48:44,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97433748] [2021-11-20 07:48:44,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:44,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:48:44,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:44,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:48:44,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:48:44,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:44,816 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:44,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-11-20 07:48:44,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:44,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:44,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:44,842 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,842 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,843 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,843 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,843 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,844 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,844 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,844 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,878 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,879 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,879 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,879 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,914 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,937 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:44,972 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,066 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,068 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,100 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,108 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,110 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,143 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,144 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:45,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:45,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:45,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:48:45,212 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:45,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:45,212 INFO L85 PathProgramCache]: Analyzing trace with hash -736274816, now seen corresponding path program 1 times [2021-11-20 07:48:45,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:45,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906505511] [2021-11-20 07:48:45,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:45,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:45,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:45,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906505511] [2021-11-20 07:48:45,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906505511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:45,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:45,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:48:45,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113270115] [2021-11-20 07:48:45,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:45,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:48:45,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:45,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:48:45,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:48:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:45,502 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:45,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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) [2021-11-20 07:48:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:45,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:45,549 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,601 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,631 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,680 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,681 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,758 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_159 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,813 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:45,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:45,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:48:45,958 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:45,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:45,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2078182711, now seen corresponding path program 1 times [2021-11-20 07:48:45,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:45,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813228889] [2021-11-20 07:48:45,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:45,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:46,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:46,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813228889] [2021-11-20 07:48:46,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813228889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:46,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:46,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:48:46,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062774743] [2021-11-20 07:48:46,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:46,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:48:46,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:46,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:48:46,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:48:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:46,173 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:46,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2021-11-20 07:48:46,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:46,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:46,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:46,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:46,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:46,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:46,302 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:46,303 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:46,356 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:46,358 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:46,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:46,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:48:46,459 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:46,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:46,459 INFO L85 PathProgramCache]: Analyzing trace with hash 165696807, now seen corresponding path program 2 times [2021-11-20 07:48:46,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:46,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723478433] [2021-11-20 07:48:46,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:46,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:46,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:46,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:46,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723478433] [2021-11-20 07:48:46,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723478433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:46,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:46,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:48:46,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992213446] [2021-11-20 07:48:46,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:46,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:48:46,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:46,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:48:46,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:48:46,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:46,622 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:46,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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) [2021-11-20 07:48:46,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:46,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:46,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:46,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:46,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:46,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:46,701 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:46,709 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:46,710 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:46,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:46,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:48:46,837 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:46,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:46,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1430503705, now seen corresponding path program 1 times [2021-11-20 07:48:46,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:46,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413478367] [2021-11-20 07:48:46,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:46,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:47,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:47,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:47,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413478367] [2021-11-20 07:48:47,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413478367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:47,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:47,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:48:47,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375289107] [2021-11-20 07:48:47,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:47,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:48:47,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:47,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:48:47,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:48:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:47,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:47,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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) [2021-11-20 07:48:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:47,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:47,425 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:47,432 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:47,433 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:47,450 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:47,451 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:47,474 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:47,475 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:47,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:48:47,545 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:47,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:47,546 INFO L85 PathProgramCache]: Analyzing trace with hash -188605227, now seen corresponding path program 2 times [2021-11-20 07:48:47,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:47,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301050745] [2021-11-20 07:48:47,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:47,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:48:48,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:48,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301050745] [2021-11-20 07:48:48,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301050745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:48,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:48,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-20 07:48:48,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735149586] [2021-11-20 07:48:48,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:48,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 07:48:48,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:48,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 07:48:48,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:48:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:48,161 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:48:48,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 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) [2021-11-20 07:48:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:48,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:48,337 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,357 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,358 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,723 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,724 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,772 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,773 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,792 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,803 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,811 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,812 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,848 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,849 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,898 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite15_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,899 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3#1_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:48:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:48:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:48:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:48:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:48:48,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:48:48,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:48:48,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:48:48,990 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:48:48,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:48,990 INFO L85 PathProgramCache]: Analyzing trace with hash 915988437, now seen corresponding path program 3 times [2021-11-20 07:48:48,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:48,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797509212] [2021-11-20 07:48:48,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:48,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:48:49,049 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:48:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:48:49,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:48:49,227 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:48:49,228 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-20 07:48:49,230 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-20 07:48:49,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-20 07:48:49,231 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-20 07:48:49,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:48:49,248 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2021-11-20 07:48:49,249 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2021-11-20 07:48:49,255 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:48:49,255 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:48:49,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:48:49 BasicIcfg [2021-11-20 07:48:49,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:48:49,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:48:49,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:48:49,450 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:48:49,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:42" (3/4) ... [2021-11-20 07:48:49,453 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 07:48:49,595 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/witness.graphml [2021-11-20 07:48:49,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:48:49,596 INFO L158 Benchmark]: Toolchain (without parser) took 9434.76ms. Allocated memory was 98.6MB in the beginning and 249.6MB in the end (delta: 151.0MB). Free memory was 55.7MB in the beginning and 95.9MB in the end (delta: -40.2MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2021-11-20 07:48:49,597 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:48:49,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.24ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 61.5MB in the end (delta: -6.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:48:49,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.89ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 58.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:48:49,598 INFO L158 Benchmark]: Boogie Preprocessor took 84.51ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:48:49,599 INFO L158 Benchmark]: RCFGBuilder took 1433.73ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 61.7MB in the end (delta: -5.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-11-20 07:48:49,599 INFO L158 Benchmark]: TraceAbstraction took 6931.14ms. Allocated memory was 136.3MB in the beginning and 249.6MB in the end (delta: 113.2MB). Free memory was 61.7MB in the beginning and 125.3MB in the end (delta: -63.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2021-11-20 07:48:49,600 INFO L158 Benchmark]: Witness Printer took 145.24ms. Allocated memory is still 249.6MB. Free memory was 125.3MB in the beginning and 95.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-20 07:48:49,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.24ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 61.5MB in the end (delta: -6.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.89ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 58.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.51ms. Allocated memory is still 98.6MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1433.73ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 61.7MB in the end (delta: -5.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6931.14ms. Allocated memory was 136.3MB in the beginning and 249.6MB in the end (delta: 113.2MB). Free memory was 61.7MB in the beginning and 125.3MB in the end (delta: -63.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Witness Printer took 145.24ms. Allocated memory is still 249.6MB. Free memory was 125.3MB in the beginning and 95.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5849, positive: 5675, positive conditional: 4241, positive unconditional: 1434, negative: 174, negative conditional: 128, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5814, positive: 5675, positive conditional: 4241, positive unconditional: 1434, negative: 139, negative conditional: 93, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5814, positive: 5675, positive conditional: 4241, positive unconditional: 1434, negative: 139, negative conditional: 93, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6250, positive: 5675, positive conditional: 3855, positive unconditional: 1820, negative: 575, negative conditional: 436, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6250, positive: 5675, positive conditional: 964, positive unconditional: 4711, negative: 575, negative conditional: 86, negative unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6250, positive: 5675, positive conditional: 964, positive unconditional: 4711, negative: 575, negative conditional: 86, negative unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1509, positive: 1448, positive conditional: 14, positive unconditional: 1434, negative: 61, negative conditional: 14, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1509, positive: 1428, positive conditional: 0, positive unconditional: 1428, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 20, positive conditional: 14, positive unconditional: 6, negative: 61, negative conditional: 14, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1631, positive: 237, positive conditional: 229, positive unconditional: 9, negative: 1394, negative conditional: 375, negative unconditional: 1019, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6250, positive: 4227, positive conditional: 950, positive unconditional: 3277, negative: 514, negative conditional: 72, negative unconditional: 442, unknown: 1509, unknown conditional: 28, unknown unconditional: 1481] , Statistics on independence cache: Total cache size (in pairs): 1509, Positive cache size: 1448, Positive conditional cache size: 14, Positive unconditional cache size: 1434, Negative cache size: 61, Negative conditional cache size: 14, Negative unconditional cache size: 47, Eliminated conditions: 3241, Maximal queried relation: 5, Independence queries for same thread: 35 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.2s, Number of persistent set computation: 444, Number of trivial persistent sets: 215, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1480, positive: 1434, positive conditional: 0, positive unconditional: 1434, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5849, positive: 5675, positive conditional: 4241, positive unconditional: 1434, negative: 174, negative conditional: 128, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5814, positive: 5675, positive conditional: 4241, positive unconditional: 1434, negative: 139, negative conditional: 93, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5814, positive: 5675, positive conditional: 4241, positive unconditional: 1434, negative: 139, negative conditional: 93, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6250, positive: 5675, positive conditional: 3855, positive unconditional: 1820, negative: 575, negative conditional: 436, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6250, positive: 5675, positive conditional: 964, positive unconditional: 4711, negative: 575, negative conditional: 86, negative unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6250, positive: 5675, positive conditional: 964, positive unconditional: 4711, negative: 575, negative conditional: 86, negative unconditional: 489, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1509, positive: 1448, positive conditional: 14, positive unconditional: 1434, negative: 61, negative conditional: 14, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1509, positive: 1428, positive conditional: 0, positive unconditional: 1428, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 20, positive conditional: 14, positive unconditional: 6, negative: 61, negative conditional: 14, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1631, positive: 237, positive conditional: 229, positive unconditional: 9, negative: 1394, negative conditional: 375, negative unconditional: 1019, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6250, positive: 4227, positive conditional: 950, positive unconditional: 3277, negative: 514, negative conditional: 72, negative unconditional: 442, unknown: 1509, unknown conditional: 28, unknown unconditional: 1481] , Statistics on independence cache: Total cache size (in pairs): 1509, Positive cache size: 1448, Positive conditional cache size: 14, Positive unconditional cache size: 1434, Negative cache size: 61, Negative conditional cache size: 14, Negative unconditional cache size: 47, Eliminated conditions: 3241, Maximal queried relation: 5, Independence queries for same thread: 35 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L712] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L713] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L715] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L717] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L718] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L719] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L720] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L721] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L722] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L723] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L728] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L729] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L730] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L731] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L732] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L733] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L734] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L735] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L813] 0 pthread_t t2177; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2177={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L814] FCALL, FORK 0 pthread_create(&t2177, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2177, ((void *)0), P0, ((void *)0))=-2, t2177={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L815] 0 pthread_t t2178; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2177={5:0}, t2178={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L816] FCALL, FORK 0 pthread_create(&t2178, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2178, ((void *)0), P1, ((void *)0))=-1, t2177={5:0}, t2178={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L817] 0 pthread_t t2179; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2177={5:0}, t2178={6:0}, t2179={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L818] FCALL, FORK 0 pthread_create(&t2179, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2179, ((void *)0), P2, ((void *)0))=0, t2177={5:0}, t2178={6:0}, t2179={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y$w_buff1 = y$w_buff0 [L740] 1 y$w_buff0 = 2 [L741] 1 y$w_buff1_used = y$w_buff0_used [L742] 1 y$w_buff0_used = (_Bool)1 [L743] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L743] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L744] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L745] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L746] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L747] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L748] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L768] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L780] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L785] 3 __unbuffered_p2_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L788] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L754] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L755] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L756] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L757] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L757] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L758] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L763] 1 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2177={5:0}, t2178={6:0}, t2179={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L835] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L836] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L836] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L836] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L836] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L837] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L837] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L838] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L838] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L838] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L838] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L839] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L840] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L840] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L840] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L841] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L841] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2) [L843] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2177={5:0}, t2178={6:0}, t2179={3:0}, weak$$choice0=66, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L846] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, 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$$choice0=66, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 816]: 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: 818]: 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: 814]: 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, 138 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 741 NumberOfCodeBlocks, 741 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 2948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2021-11-20 07:48:49,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:48:49,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e0e0a1-7268-411d-8f38-2fa32b3bb8b2/bin/ugemcutter-b9s2R6iq4d/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