./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.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_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/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_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/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_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/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 03b62196b25662d8efd4f9890b2a9ba3be7263fa8e2874a92734800e01910b00 --- 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 20:41:27,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:41:27,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:41:27,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:41:27,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:41:27,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:41:27,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:41:27,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:41:27,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:41:27,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:41:27,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:41:27,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:41:27,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:41:27,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:41:27,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:41:27,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:41:27,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:41:27,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:41:27,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:41:27,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:41:27,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:41:27,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:41:27,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:41:27,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:41:27,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:41:27,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:41:27,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:41:27,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:41:27,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:41:27,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:41:27,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:41:27,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:41:27,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:41:27,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:41:27,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:41:27,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:41:27,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:41:27,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:41:27,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:41:27,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:41:27,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:41:27,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:41:27,422 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:41:27,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:41:27,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:41:27,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:41:27,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:41:27,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:41:27,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:41:27,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:41:27,427 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:41:27,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:41:27,429 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:41:27,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:41:27,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:41:27,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:41:27,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:41:27,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:41:27,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:41:27,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:41:27,431 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:41:27,431 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:41:27,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:41:27,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:41:27,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:41:27,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:41:27,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:41:27,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:41:27,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:41:27,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:41:27,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:41:27,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:41:27,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:41:27,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:41:27,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:41:27,435 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_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b62196b25662d8efd4f9890b2a9ba3be7263fa8e2874a92734800e01910b00 [2022-11-02 20:41:27,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:41:27,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:41:27,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:41:27,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:41:27,881 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:41:27,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-02 20:41:27,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/data/d54542627/225af2ba39344dbc994ddbce4385bb75/FLAG3ebe82e1c [2022-11-02 20:41:28,634 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:41:28,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-02 20:41:28,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/data/d54542627/225af2ba39344dbc994ddbce4385bb75/FLAG3ebe82e1c [2022-11-02 20:41:28,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/data/d54542627/225af2ba39344dbc994ddbce4385bb75 [2022-11-02 20:41:28,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:41:28,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:41:28,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:28,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:41:28,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:41:28,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:28" (1/1) ... [2022-11-02 20:41:28,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e2d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:28, skipping insertion in model container [2022-11-02 20:41:28,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:28" (1/1) ... [2022-11-02 20:41:28,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:41:28,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:41:29,290 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_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-02 20:41:29,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:29,657 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:41:29,675 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_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-02 20:41:29,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:29,770 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:41:29,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29 WrapperNode [2022-11-02 20:41:29,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:29,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:29,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:41:29,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:41:29,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,858 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 193 [2022-11-02 20:41:29,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:29,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:41:29,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:41:29,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:41:29,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,891 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:41:29,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:41:29,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:41:29,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:41:29,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (1/1) ... [2022-11-02 20:41:29,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:41:29,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:29,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:41:29,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:41:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:41:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:41:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:41:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:41:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:41:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-02 20:41:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-02 20:41:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-02 20:41:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-02 20:41:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-02 20:41:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-02 20:41:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-02 20:41:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-02 20:41:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:41:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:41:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:41:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:41:30,032 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 20:41:30,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:41:30,246 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:41:31,120 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:41:31,752 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:41:31,753 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:41:31,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:31 BoogieIcfgContainer [2022-11-02 20:41:31,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:41:31,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:41:31,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:41:31,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:41:31,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:41:28" (1/3) ... [2022-11-02 20:41:31,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1952f804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:31, skipping insertion in model container [2022-11-02 20:41:31,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:29" (2/3) ... [2022-11-02 20:41:31,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1952f804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:31, skipping insertion in model container [2022-11-02 20:41:31,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:31" (3/3) ... [2022-11-02 20:41:31,768 INFO L112 eAbstractionObserver]: Analyzing ICFG mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-02 20:41:31,778 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:41:31,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:41:31,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-02 20:41:31,791 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:41:31,905 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:41:31,963 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:41:31,993 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 141 transitions, 302 flow [2022-11-02 20:41:31,995 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 141 transitions, 302 flow [2022-11-02 20:41:31,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 141 transitions, 302 flow [2022-11-02 20:41:32,082 INFO L130 PetriNetUnfolder]: 2/137 cut-off events. [2022-11-02 20:41:32,082 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:41:32,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 2/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2022-11-02 20:41:32,091 INFO L118 LiptonReduction]: Number of co-enabled transitions 4176 [2022-11-02 20:41:45,780 INFO L133 LiptonReduction]: Checked pairs total: 15038 [2022-11-02 20:41:45,780 INFO L135 LiptonReduction]: Total number of compositions: 117 [2022-11-02 20:41:45,789 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 40 transitions, 100 flow [2022-11-02 20:41:46,359 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10400 states, 10320 states have (on average 4.385271317829457) internal successors, (45256), 10399 states have internal predecessors, (45256), 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 20:41:46,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:41:46,393 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;@3bacc177, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:41:46,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-02 20:41:46,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 10400 states, 10320 states have (on average 4.385271317829457) internal successors, (45256), 10399 states have internal predecessors, (45256), 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 20:41:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-02 20:41:46,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:46,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-02 20:41:46,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-02 20:41:46,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:46,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1256968623, now seen corresponding path program 1 times [2022-11-02 20:41:46,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:46,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952634838] [2022-11-02 20:41:46,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:46,940 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 20:41:46,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:46,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952634838] [2022-11-02 20:41:46,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952634838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:46,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:46,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:41:46,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021765062] [2022-11-02 20:41:46,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:46,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:46,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:46,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:46,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:47,006 INFO L87 Difference]: Start difference. First operand has 10400 states, 10320 states have (on average 4.385271317829457) internal successors, (45256), 10399 states have internal predecessors, (45256), 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 20:41:47,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:47,338 INFO L93 Difference]: Finished difference Result 5892 states and 21752 transitions. [2022-11-02 20:41:47,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:47,341 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 20:41:47,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:47,407 INFO L225 Difference]: With dead ends: 5892 [2022-11-02 20:41:47,408 INFO L226 Difference]: Without dead ends: 5892 [2022-11-02 20:41:47,409 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 20:41:47,412 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:47,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 10 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:41:47,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5892 states. [2022-11-02 20:41:47,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5892 to 5892. [2022-11-02 20:41:47,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5892 states, 5828 states have (on average 3.7323266986959505) internal successors, (21752), 5891 states have internal predecessors, (21752), 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 20:41:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5892 states to 5892 states and 21752 transitions. [2022-11-02 20:41:47,863 INFO L78 Accepts]: Start accepts. Automaton has 5892 states and 21752 transitions. Word has length 5 [2022-11-02 20:41:47,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:47,864 INFO L495 AbstractCegarLoop]: Abstraction has 5892 states and 21752 transitions. [2022-11-02 20:41:47,865 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 20:41:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 5892 states and 21752 transitions. [2022-11-02 20:41:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:41:47,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:47,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:47,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:41:47,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-02 20:41:47,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:47,869 INFO L85 PathProgramCache]: Analyzing trace with hash -154376533, now seen corresponding path program 1 times [2022-11-02 20:41:47,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:47,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002791907] [2022-11-02 20:41:47,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:47,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:48,016 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 20:41:48,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:48,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002791907] [2022-11-02 20:41:48,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002791907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:48,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:48,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:48,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411664825] [2022-11-02 20:41:48,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:48,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:48,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:48,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:48,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:48,021 INFO L87 Difference]: Start difference. First operand 5892 states and 21752 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 20:41:48,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:48,318 INFO L93 Difference]: Finished difference Result 4080 states and 15320 transitions. [2022-11-02 20:41:48,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:41:48,325 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 20:41:48,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:48,372 INFO L225 Difference]: With dead ends: 4080 [2022-11-02 20:41:48,373 INFO L226 Difference]: Without dead ends: 4080 [2022-11-02 20:41:48,373 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 20:41:48,376 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 39 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:48,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 12 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:41:48,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2022-11-02 20:41:48,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 4080. [2022-11-02 20:41:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4080 states, 4066 states have (on average 3.767830791933104) internal successors, (15320), 4079 states have internal predecessors, (15320), 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 20:41:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4080 states to 4080 states and 15320 transitions. [2022-11-02 20:41:48,605 INFO L78 Accepts]: Start accepts. Automaton has 4080 states and 15320 transitions. Word has length 11 [2022-11-02 20:41:48,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:48,605 INFO L495 AbstractCegarLoop]: Abstraction has 4080 states and 15320 transitions. [2022-11-02 20:41:48,605 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 20:41:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4080 states and 15320 transitions. [2022-11-02 20:41:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-02 20:41:48,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:48,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:48,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:41:48,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-02 20:41:48,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:48,617 INFO L85 PathProgramCache]: Analyzing trace with hash -490705632, now seen corresponding path program 1 times [2022-11-02 20:41:48,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:48,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990893220] [2022-11-02 20:41:48,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:48,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:48,765 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 20:41:48,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:48,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990893220] [2022-11-02 20:41:48,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990893220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:48,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:48,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:48,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30575587] [2022-11-02 20:41:48,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:48,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:41:48,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:48,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:41:48,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:41:48,768 INFO L87 Difference]: Start difference. First operand 4080 states and 15320 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 20:41:48,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:48,958 INFO L93 Difference]: Finished difference Result 3046 states and 11490 transitions. [2022-11-02 20:41:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:41:48,959 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 20:41:48,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:49,049 INFO L225 Difference]: With dead ends: 3046 [2022-11-02 20:41:49,049 INFO L226 Difference]: Without dead ends: 3046 [2022-11-02 20:41:49,050 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 20:41:49,051 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 38 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:49,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 13 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:41:49,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2022-11-02 20:41:49,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 3046. [2022-11-02 20:41:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 3036 states have (on average 3.7845849802371543) internal successors, (11490), 3045 states have internal predecessors, (11490), 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 20:41:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 11490 transitions. [2022-11-02 20:41:49,291 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 11490 transitions. Word has length 12 [2022-11-02 20:41:49,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:49,291 INFO L495 AbstractCegarLoop]: Abstraction has 3046 states and 11490 transitions. [2022-11-02 20:41:49,292 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 20:41:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 11490 transitions. [2022-11-02 20:41:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 20:41:49,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:49,301 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 20:41:49,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:41:49,302 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-02 20:41:49,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:49,303 INFO L85 PathProgramCache]: Analyzing trace with hash 958828261, now seen corresponding path program 1 times [2022-11-02 20:41:49,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:49,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405094753] [2022-11-02 20:41:49,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:49,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:49,546 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 20:41:49,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:49,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405094753] [2022-11-02 20:41:49,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405094753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:49,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:49,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:41:49,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390441483] [2022-11-02 20:41:49,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:49,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:49,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:49,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:49,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:49,549 INFO L87 Difference]: Start difference. First operand 3046 states and 11490 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 20:41:49,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:49,826 INFO L93 Difference]: Finished difference Result 2824 states and 10884 transitions. [2022-11-02 20:41:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:41:49,827 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 20:41:49,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:49,849 INFO L225 Difference]: With dead ends: 2824 [2022-11-02 20:41:49,850 INFO L226 Difference]: Without dead ends: 2824 [2022-11-02 20:41:49,850 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 20:41:49,854 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 74 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:49,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 16 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:41:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2022-11-02 20:41:50,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2824. [2022-11-02 20:41:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2820 states have (on average 3.8595744680851065) internal successors, (10884), 2823 states have internal predecessors, (10884), 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 20:41:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 10884 transitions. [2022-11-02 20:41:50,050 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 10884 transitions. Word has length 18 [2022-11-02 20:41:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:50,051 INFO L495 AbstractCegarLoop]: Abstraction has 2824 states and 10884 transitions. [2022-11-02 20:41:50,051 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 20:41:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 10884 transitions. [2022-11-02 20:41:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 20:41:50,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:50,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:50,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:41:50,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-02 20:41:50,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:50,068 INFO L85 PathProgramCache]: Analyzing trace with hash 674677462, now seen corresponding path program 1 times [2022-11-02 20:41:50,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:50,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228198313] [2022-11-02 20:41:50,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:50,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:50,268 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 20:41:50,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:50,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228198313] [2022-11-02 20:41:50,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228198313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:50,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:50,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:50,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017235494] [2022-11-02 20:41:50,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:50,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:41:50,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:50,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:41:50,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:41:50,272 INFO L87 Difference]: Start difference. First operand 2824 states and 10884 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 20:41:50,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:50,535 INFO L93 Difference]: Finished difference Result 2808 states and 10856 transitions. [2022-11-02 20:41:50,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:50,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2022-11-02 20:41:50,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:50,536 INFO L225 Difference]: With dead ends: 2808 [2022-11-02 20:41:50,536 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:41:50,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:41:50,539 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 124 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:50,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 12 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:41:50,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:41:50,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:41:50,541 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 20:41:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:41:50,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-02 20:41:50,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:50,542 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:41:50,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 20:41:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:41:50,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:41:50,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-02 20:41:50,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-02 20:41:50,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-02 20:41:50,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-02 20:41:50,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-02 20:41:50,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-02 20:41:50,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-02 20:41:50,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-02 20:41:50,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-02 20:41:50,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-02 20:41:50,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-02 20:41:50,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-02 20:41:50,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-02 20:41:50,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-02 20:41:50,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-02 20:41:50,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-02 20:41:50,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-02 20:41:50,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-02 20:41:50,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-02 20:41:50,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-02 20:41:50,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:41:50,554 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:41:50,559 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:41:50,559 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:41:50,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:41:50 BasicIcfg [2022-11-02 20:41:50,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:41:50,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:41:50,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:41:50,564 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:41:50,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:31" (3/4) ... [2022-11-02 20:41:50,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:41:50,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-02 20:41:50,573 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-02 20:41:50,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-02 20:41:50,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-02 20:41:50,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-11-02 20:41:50,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-02 20:41:50,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 20:41:50,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:41:50,639 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:41:50,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:41:50,640 INFO L158 Benchmark]: Toolchain (without parser) took 21793.08ms. Allocated memory was 104.9MB in the beginning and 304.1MB in the end (delta: 199.2MB). Free memory was 65.5MB in the beginning and 145.0MB in the end (delta: -79.5MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. [2022-11-02 20:41:50,640 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:41:50,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 918.44ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 66.5MB in the end (delta: -1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:41:50,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.54ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 63.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:50,641 INFO L158 Benchmark]: Boogie Preprocessor took 39.53ms. Allocated memory is still 104.9MB. Free memory was 63.9MB in the beginning and 61.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:50,642 INFO L158 Benchmark]: RCFGBuilder took 1855.85ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 61.4MB in the beginning and 90.9MB in the end (delta: -29.4MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-11-02 20:41:50,642 INFO L158 Benchmark]: TraceAbstraction took 18803.78ms. Allocated memory was 134.2MB in the beginning and 304.1MB in the end (delta: 169.9MB). Free memory was 90.9MB in the beginning and 149.2MB in the end (delta: -58.4MB). Peak memory consumption was 111.4MB. Max. memory is 16.1GB. [2022-11-02 20:41:50,643 INFO L158 Benchmark]: Witness Printer took 76.33ms. Allocated memory is still 304.1MB. Free memory was 148.2MB in the beginning and 145.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:41:50,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 918.44ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 66.5MB in the end (delta: -1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.54ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 63.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.53ms. Allocated memory is still 104.9MB. Free memory was 63.9MB in the beginning and 61.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1855.85ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 61.4MB in the beginning and 90.9MB in the end (delta: -29.4MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18803.78ms. Allocated memory was 134.2MB in the beginning and 304.1MB in the end (delta: 169.9MB). Free memory was 90.9MB in the beginning and 149.2MB in the end (delta: -58.4MB). Peak memory consumption was 111.4MB. Max. memory is 16.1GB. * Witness Printer took 76.33ms. Allocated memory is still 304.1MB. Free memory was 148.2MB in the beginning and 145.0MB 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, 152 PlacesBefore, 52 PlacesAfterwards, 141 TransitionsBefore, 40 TransitionsAfterwards, 4176 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 117 TotalNumberOfCompositions, 15038 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6103, positive: 5763, positive conditional: 0, positive unconditional: 5763, negative: 340, negative conditional: 0, negative unconditional: 340, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2869, positive: 2795, positive conditional: 0, positive unconditional: 2795, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2869, positive: 2704, positive conditional: 0, positive unconditional: 2704, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 165, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1254, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 1044, negative conditional: 0, negative unconditional: 1044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6103, positive: 2968, positive conditional: 0, positive unconditional: 2968, negative: 266, negative conditional: 0, negative unconditional: 266, unknown: 2869, unknown conditional: 0, unknown unconditional: 2869] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 354, Positive conditional cache size: 0, Positive unconditional cache size: 354, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 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 - 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: 811]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 811]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 844]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 844]: 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 9 procedures, 184 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 408 IncrementalHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 30 mSDtfsCounter, 408 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10400occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:41:50,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6308e3e9-644c-4a72-a8bb-48ef2ffe57d3/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