./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix035.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix035.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:16:21,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:16:21,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:16:21,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:16:21,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:16:21,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:16:21,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:16:21,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:16:21,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:16:21,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:16:21,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:16:21,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:16:21,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:16:21,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:16:21,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:16:21,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:16:21,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:16:21,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:16:21,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:16:21,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:16:21,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:16:21,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:16:21,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:16:21,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:16:21,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:16:21,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:16:21,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:16:21,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:16:21,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:16:21,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:16:21,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:16:21,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:16:21,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:16:21,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:16:21,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:16:21,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:16:21,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:16:21,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:16:21,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:16:21,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:16:21,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:16:21,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:16:21,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:16:21,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:16:21,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:16:21,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:16:21,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:16:21,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:16:21,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:16:21,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:16:21,764 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:16:21,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:16:21,766 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:16:21,766 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:16:21,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:16:21,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:16:21,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:16:21,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:16:21,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:16:21,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:16:21,767 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:16:21,768 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:16:21,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:16:21,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:16:21,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:16:21,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:16:21,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:16:21,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:16:21,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:16:21,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:16:21,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:16:21,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:16:21,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:16:21,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:16:21,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:16:21,771 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_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 [2022-11-02 20:16:22,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:16:22,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:16:22,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:16:22,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:16:22,099 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:16:22,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2022-11-02 20:16:22,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/data/fa8b58f21/2debb2c281e54b2b914bb5ca30e818b8/FLAG11d0dca39 [2022-11-02 20:16:22,854 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:16:22,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2022-11-02 20:16:22,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/data/fa8b58f21/2debb2c281e54b2b914bb5ca30e818b8/FLAG11d0dca39 [2022-11-02 20:16:23,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/data/fa8b58f21/2debb2c281e54b2b914bb5ca30e818b8 [2022-11-02 20:16:23,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:16:23,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:16:23,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:16:23,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:16:23,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:16:23,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:23,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b79b31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:23, skipping insertion in model container [2022-11-02 20:16:23,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:16:23" (1/1) ... [2022-11-02 20:16:23,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:16:23,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:16:23,523 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_19256902-08d3-4b02-980d-6bd286b25696/sv-benchmarks/c/pthread-wmm/mix035.oepc.i[945,958] [2022-11-02 20:16:23,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:16:23,868 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:16:23,888 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_19256902-08d3-4b02-980d-6bd286b25696/sv-benchmarks/c/pthread-wmm/mix035.oepc.i[945,958] [2022-11-02 20:16:23,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:16:24,005 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:16:24,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24 WrapperNode [2022-11-02 20:16:24,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:16:24,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:16:24,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:16:24,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:16:24,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,099 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 181 [2022-11-02 20:16:24,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:16:24,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:16:24,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:16:24,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:16:24,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:16:24,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:16:24,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:16:24,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:16:24,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (1/1) ... [2022-11-02 20:16:24,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:16:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:16:24,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:16:24,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:16:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:16:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:16:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:16:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:16:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:16:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-02 20:16:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-02 20:16:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-02 20:16:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-02 20:16:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-02 20:16:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-02 20:16:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:16:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:16:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:16:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:16:24,278 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:16:24,508 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:16:24,511 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:16:25,200 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:16:25,629 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:16:25,630 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:16:25,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:16:25 BoogieIcfgContainer [2022-11-02 20:16:25,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:16:25,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:16:25,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:16:25,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:16:25,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:16:23" (1/3) ... [2022-11-02 20:16:25,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a49ca05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:16:25, skipping insertion in model container [2022-11-02 20:16:25,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:24" (2/3) ... [2022-11-02 20:16:25,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a49ca05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:16:25, skipping insertion in model container [2022-11-02 20:16:25,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:16:25" (3/3) ... [2022-11-02 20:16:25,641 INFO L112 eAbstractionObserver]: Analyzing ICFG mix035.oepc.i [2022-11-02 20:16:25,651 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:16:25,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:16:25,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-02 20:16:25,662 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:16:25,763 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:16:25,819 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:16:25,837 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 124 transitions, 263 flow [2022-11-02 20:16:25,845 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 124 transitions, 263 flow [2022-11-02 20:16:25,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 124 transitions, 263 flow [2022-11-02 20:16:25,903 INFO L130 PetriNetUnfolder]: 2/121 cut-off events. [2022-11-02 20:16:25,903 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:16:25,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 121 events. 2/121 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-11-02 20:16:25,909 INFO L118 LiptonReduction]: Number of co-enabled transitions 2792 [2022-11-02 20:16:39,609 INFO L133 LiptonReduction]: Checked pairs total: 8362 [2022-11-02 20:16:39,609 INFO L135 LiptonReduction]: Total number of compositions: 102 [2022-11-02 20:16:39,618 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 30 transitions, 75 flow [2022-11-02 20:16:39,712 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1482 states, 1456 states have (on average 3.3214285714285716) internal successors, (4836), 1481 states have internal predecessors, (4836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:39,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:16:39,736 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1f22fbd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:16:39,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-02 20:16:39,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 1482 states, 1456 states have (on average 3.3214285714285716) internal successors, (4836), 1481 states have internal predecessors, (4836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-02 20:16:39,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:16:39,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-02 20:16:39,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:16:39,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:16:39,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1110518586, now seen corresponding path program 1 times [2022-11-02 20:16:39,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:16:39,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547014365] [2022-11-02 20:16:39,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:16:39,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:16:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:16:40,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:16:40,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547014365] [2022-11-02 20:16:40,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547014365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:16:40,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:16:40,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:16:40,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959995489] [2022-11-02 20:16:40,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:16:40,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:16:40,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:16:40,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:16:40,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:16:40,119 INFO L87 Difference]: Start difference. First operand has 1482 states, 1456 states have (on average 3.3214285714285716) internal successors, (4836), 1481 states have internal predecessors, (4836), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:40,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:16:40,294 INFO L93 Difference]: Finished difference Result 830 states and 2428 transitions. [2022-11-02 20:16:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:16:40,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2022-11-02 20:16:40,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:16:40,327 INFO L225 Difference]: With dead ends: 830 [2022-11-02 20:16:40,327 INFO L226 Difference]: Without dead ends: 830 [2022-11-02 20:16:40,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:16:40,333 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:16:40,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:16:40,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2022-11-02 20:16:40,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2022-11-02 20:16:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 812 states have (on average 2.9901477832512313) internal successors, (2428), 829 states have internal predecessors, (2428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 2428 transitions. [2022-11-02 20:16:40,456 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 2428 transitions. Word has length 5 [2022-11-02 20:16:40,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:16:40,457 INFO L495 AbstractCegarLoop]: Abstraction has 830 states and 2428 transitions. [2022-11-02 20:16:40,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:40,457 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2428 transitions. [2022-11-02 20:16:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:16:40,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:16:40,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:16:40,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:16:40,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:16:40,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:16:40,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1904477400, now seen corresponding path program 1 times [2022-11-02 20:16:40,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:16:40,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275256580] [2022-11-02 20:16:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:16:40,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:16:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:16:40,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:16:40,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275256580] [2022-11-02 20:16:40,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275256580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:16:40,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:16:40,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:16:40,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884355756] [2022-11-02 20:16:40,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:16:40,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:16:40,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:16:40,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:16:40,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:16:40,654 INFO L87 Difference]: Start difference. First operand 830 states and 2428 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:40,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:16:40,779 INFO L93 Difference]: Finished difference Result 682 states and 2036 transitions. [2022-11-02 20:16:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:16:40,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2022-11-02 20:16:40,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:16:40,784 INFO L225 Difference]: With dead ends: 682 [2022-11-02 20:16:40,784 INFO L226 Difference]: Without dead ends: 682 [2022-11-02 20:16:40,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:16:40,786 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 28 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:16:40,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 8 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:16:40,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2022-11-02 20:16:40,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2022-11-02 20:16:40,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 676 states have (on average 3.0118343195266273) internal successors, (2036), 681 states have internal predecessors, (2036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 2036 transitions. [2022-11-02 20:16:40,810 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 2036 transitions. Word has length 11 [2022-11-02 20:16:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:16:40,810 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 2036 transitions. [2022-11-02 20:16:40,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 2036 transitions. [2022-11-02 20:16:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-02 20:16:40,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:16:40,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:16:40,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:16:40,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:16:40,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:16:40,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1090742013, now seen corresponding path program 1 times [2022-11-02 20:16:40,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:16:40,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804705104] [2022-11-02 20:16:40,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:16:40,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:16:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:16:40,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:16:40,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804705104] [2022-11-02 20:16:40,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804705104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:16:40,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:16:40,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:16:40,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17048269] [2022-11-02 20:16:40,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:16:40,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:16:40,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:16:40,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:16:40,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:16:40,978 INFO L87 Difference]: Start difference. First operand 682 states and 2036 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:41,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:16:41,117 INFO L93 Difference]: Finished difference Result 570 states and 1731 transitions. [2022-11-02 20:16:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:16:41,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2022-11-02 20:16:41,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:16:41,121 INFO L225 Difference]: With dead ends: 570 [2022-11-02 20:16:41,121 INFO L226 Difference]: Without dead ends: 570 [2022-11-02 20:16:41,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:16:41,124 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 39 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:16:41,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 9 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:16:41,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-11-02 20:16:41,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2022-11-02 20:16:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 567 states have (on average 3.052910052910053) internal successors, (1731), 569 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 1731 transitions. [2022-11-02 20:16:41,147 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 1731 transitions. Word has length 12 [2022-11-02 20:16:41,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:16:41,148 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 1731 transitions. [2022-11-02 20:16:41,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:41,148 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1731 transitions. [2022-11-02 20:16:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 20:16:41,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:16:41,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:16:41,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:16:41,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:16:41,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:16:41,159 INFO L85 PathProgramCache]: Analyzing trace with hash 784537576, now seen corresponding path program 1 times [2022-11-02 20:16:41,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:16:41,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130762891] [2022-11-02 20:16:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:16:41,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:16:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:16:41,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:16:41,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130762891] [2022-11-02 20:16:41,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130762891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:16:41,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:16:41,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:16:41,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309474897] [2022-11-02 20:16:41,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:16:41,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:16:41,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:16:41,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:16:41,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:16:41,419 INFO L87 Difference]: Start difference. First operand 570 states and 1731 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:41,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:16:41,537 INFO L93 Difference]: Finished difference Result 558 states and 1710 transitions. [2022-11-02 20:16:41,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:16:41,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) Word has length 18 [2022-11-02 20:16:41,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:16:41,538 INFO L225 Difference]: With dead ends: 558 [2022-11-02 20:16:41,538 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:16:41,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:16:41,539 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 58 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:16:41,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 6 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:16:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:16:41,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:16:41,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:16:41,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-11-02 20:16:41,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:16:41,541 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:16:41,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:16:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:16:41,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:16:41,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-02 20:16:41,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-02 20:16:41,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-02 20:16:41,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-02 20:16:41,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-02 20:16:41,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-02 20:16:41,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-02 20:16:41,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-02 20:16:41,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-02 20:16:41,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-02 20:16:41,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-02 20:16:41,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-02 20:16:41,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-02 20:16:41,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-02 20:16:41,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-02 20:16:41,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:16:41,550 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 20:16:41,554 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:16:41,555 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:16:41,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:16:41 BasicIcfg [2022-11-02 20:16:41,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:16:41,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:16:41,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:16:41,558 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:16:41,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:16:25" (3/4) ... [2022-11-02 20:16:41,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:16:41,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-02 20:16:41,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-02 20:16:41,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-02 20:16:41,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-11-02 20:16:41,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-02 20:16:41,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 20:16:41,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:16:41,608 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:16:41,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:16:41,609 INFO L158 Benchmark]: Toolchain (without parser) took 18449.45ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 86.7MB in the beginning and 78.2MB in the end (delta: 8.5MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2022-11-02 20:16:41,609 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:16:41,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.99ms. Allocated memory is still 121.6MB. Free memory was 86.5MB in the beginning and 84.6MB in the end (delta: 1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:16:41,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.61ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 81.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:16:41,610 INFO L158 Benchmark]: Boogie Preprocessor took 65.01ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:16:41,610 INFO L158 Benchmark]: RCFGBuilder took 1466.46ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 72.0MB in the end (delta: 7.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2022-11-02 20:16:41,611 INFO L158 Benchmark]: TraceAbstraction took 15923.14ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 70.7MB in the beginning and 81.4MB in the end (delta: -10.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-02 20:16:41,611 INFO L158 Benchmark]: Witness Printer took 50.51ms. Allocated memory is still 195.0MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:16:41,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 55.2MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.99ms. Allocated memory is still 121.6MB. Free memory was 86.5MB in the beginning and 84.6MB in the end (delta: 1.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.61ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 81.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.01ms. Allocated memory is still 121.6MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1466.46ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 72.0MB in the end (delta: 7.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * TraceAbstraction took 15923.14ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 70.7MB in the beginning and 81.4MB in the end (delta: -10.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Witness Printer took 50.51ms. Allocated memory is still 195.0MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8s, 132 PlacesBefore, 40 PlacesAfterwards, 124 TransitionsBefore, 30 TransitionsAfterwards, 2792 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 102 TotalNumberOfCompositions, 8362 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3276, positive: 3014, positive conditional: 0, positive unconditional: 3014, negative: 262, negative conditional: 0, negative unconditional: 262, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1773, positive: 1714, positive conditional: 0, positive unconditional: 1714, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1773, positive: 1694, positive conditional: 0, positive unconditional: 1694, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 79, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 642, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 593, negative conditional: 0, negative unconditional: 593, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3276, positive: 1300, positive conditional: 0, positive unconditional: 1300, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 1773, unknown conditional: 0, unknown unconditional: 1773] , Statistics on independence cache: Total cache size (in pairs): 155, Positive cache size: 131, Positive conditional cache size: 0, Positive unconditional cache size: 131, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24 - 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 - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 158 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 16 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1482occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:16:41,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19256902-08d3-4b02-980d-6bd286b25696/bin/uautomizer-Dbtcem3rbc/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 Result: TRUE