./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a --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 b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --- 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-b5237d8 [2022-11-21 13:45:40,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:45:40,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:45:40,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:45:40,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:45:40,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:45:40,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:45:40,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:45:40,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:45:40,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:45:40,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:45:40,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:45:40,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:45:40,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:45:40,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:45:40,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:45:40,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:45:40,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:45:40,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:45:40,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:45:40,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:45:40,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:45:40,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:45:40,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:45:40,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:45:40,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:45:40,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:45:40,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:45:40,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:45:40,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:45:40,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:45:40,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:45:40,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:45:40,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:45:40,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:45:40,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:45:40,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:45:40,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:45:40,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:45:40,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:45:40,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:45:40,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 13:45:41,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:45:41,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:45:41,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:45:41,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:45:41,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:45:41,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:45:41,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:45:41,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:45:41,016 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:45:41,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:45:41,017 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:45:41,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 13:45:41,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:45:41,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:45:41,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:45:41,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:45:41,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:45:41,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:45:41,019 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 13:45:41,020 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:45:41,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:45:41,020 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:45:41,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:45:41,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:45:41,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:45:41,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:45:41,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:45:41,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:45:41,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:45:41,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:45:41,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:45:41,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:45:41,023 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:45:41,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:45:41,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:45:41,024 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_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 [2022-11-21 13:45:41,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:45:41,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:45:41,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:45:41,317 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:45:41,318 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:45:41,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-wmm/mix020.opt.i [2022-11-21 13:45:44,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:45:44,866 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:45:44,866 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/sv-benchmarks/c/pthread-wmm/mix020.opt.i [2022-11-21 13:45:44,881 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/data/6b2c66efc/290d3030ec1f486088db28ae2a629499/FLAG6197a3ee1 [2022-11-21 13:45:44,899 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/data/6b2c66efc/290d3030ec1f486088db28ae2a629499 [2022-11-21 13:45:44,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:45:44,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:45:44,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:45:44,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:45:44,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:45:44,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:44" (1/1) ... [2022-11-21 13:45:44,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7664e9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:44, skipping insertion in model container [2022-11-21 13:45:44,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:44" (1/1) ... [2022-11-21 13:45:44,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:45:44,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:45:45,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/sv-benchmarks/c/pthread-wmm/mix020.opt.i[944,957] [2022-11-21 13:45:45,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:45:45,482 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:45:45,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/sv-benchmarks/c/pthread-wmm/mix020.opt.i[944,957] [2022-11-21 13:45:45,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:45:45,658 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:45:45,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45 WrapperNode [2022-11-21 13:45:45,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:45:45,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:45:45,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:45:45,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:45:45,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,758 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 165 [2022-11-21 13:45:45,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:45:45,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:45:45,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:45:45,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:45:45,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,814 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:45:45,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:45:45,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:45:45,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:45:45,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (1/1) ... [2022-11-21 13:45:45,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:45:45,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:45:45,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:45:45,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:45:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:45:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 13:45:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:45:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:45:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:45:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-21 13:45:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-21 13:45:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-21 13:45:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-21 13:45:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-21 13:45:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-21 13:45:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-21 13:45:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-21 13:45:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:45:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 13:45:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:45:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:45:45,918 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 13:45:46,087 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:45:46,102 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:45:46,573 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:45:46,898 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:45:46,899 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 13:45:46,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:45:46 BoogieIcfgContainer [2022-11-21 13:45:46,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:45:46,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:45:46,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:45:46,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:45:46,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:45:44" (1/3) ... [2022-11-21 13:45:46,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6d613b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:45:46, skipping insertion in model container [2022-11-21 13:45:46,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:45" (2/3) ... [2022-11-21 13:45:46,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6d613b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:45:46, skipping insertion in model container [2022-11-21 13:45:46,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:45:46" (3/3) ... [2022-11-21 13:45:46,916 INFO L112 eAbstractionObserver]: Analyzing ICFG mix020.opt.i [2022-11-21 13:45:46,926 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 13:45:46,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:45:46,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-21 13:45:46,939 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 13:45:47,046 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 13:45:47,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 141 transitions, 302 flow [2022-11-21 13:45:47,229 INFO L130 PetriNetUnfolder]: 2/137 cut-off events. [2022-11-21 13:45:47,229 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 13:45:47,237 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 86 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-11-21 13:45:47,238 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 141 transitions, 302 flow [2022-11-21 13:45:47,250 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 137 transitions, 286 flow [2022-11-21 13:45:47,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:45:47,264 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=PETRI_NET, 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;@56f566c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:45:47,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-21 13:45:47,278 INFO L130 PetriNetUnfolder]: 0/55 cut-off events. [2022-11-21 13:45:47,278 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 13:45:47,278 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:45:47,279 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:45:47,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 13:45:47,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1580972969, now seen corresponding path program 1 times [2022-11-21 13:45:47,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:47,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269537319] [2022-11-21 13:45:47,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:47,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:45:47,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:47,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269537319] [2022-11-21 13:45:47,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269537319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:47,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:45:47,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:45:47,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046312735] [2022-11-21 13:45:47,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:47,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:45:47,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:47,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:45:47,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:45:47,760 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2022-11-21 13:45:47,764 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2022-11-21 13:45:47,764 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:45:47,764 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2022-11-21 13:45:47,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:45:49,131 INFO L130 PetriNetUnfolder]: 2548/4417 cut-off events. [2022-11-21 13:45:49,132 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-21 13:45:49,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8198 conditions, 4417 events. 2548/4417 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 33105 event pairs, 889 based on Foata normal form. 685/3606 useless extension candidates. Maximal degree in co-relation 8140. Up to 3609 conditions per place. [2022-11-21 13:45:49,210 INFO L137 encePairwiseOnDemand]: 126/141 looper letters, 31 selfloop transitions, 5 changer transitions 0/147 dead transitions. [2022-11-21 13:45:49,210 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 147 transitions, 387 flow [2022-11-21 13:45:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:45:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:45:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2022-11-21 13:45:49,234 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9290780141843972 [2022-11-21 13:45:49,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 393 transitions. [2022-11-21 13:45:49,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 393 transitions. [2022-11-21 13:45:49,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:45:49,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 393 transitions. [2022-11-21 13:45:49,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2022-11-21 13:45:49,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2022-11-21 13:45:49,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2022-11-21 13:45:49,261 INFO L175 Difference]: Start difference. First operand has 148 places, 137 transitions, 286 flow. Second operand 3 states and 393 transitions. [2022-11-21 13:45:49,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 147 transitions, 387 flow [2022-11-21 13:45:49,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 147 transitions, 380 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:45:49,273 INFO L231 Difference]: Finished difference. Result has 146 places, 138 transitions, 323 flow [2022-11-21 13:45:49,275 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=146, PETRI_TRANSITIONS=138} [2022-11-21 13:45:49,283 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2022-11-21 13:45:49,284 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 138 transitions, 323 flow [2022-11-21 13:45:49,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2022-11-21 13:45:49,285 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:45:49,285 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:45:49,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:45:49,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 13:45:49,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:49,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1526961450, now seen corresponding path program 1 times [2022-11-21 13:45:49,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:49,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392313879] [2022-11-21 13:45:49,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:45:49,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:49,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392313879] [2022-11-21 13:45:49,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392313879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:49,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:45:49,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 13:45:49,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135005017] [2022-11-21 13:45:49,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:49,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:45:49,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:49,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:45:49,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:45:49,532 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2022-11-21 13:45:49,533 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 138 transitions, 323 flow. Second operand has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 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) [2022-11-21 13:45:49,533 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:45:49,533 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2022-11-21 13:45:49,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:45:50,367 INFO L130 PetriNetUnfolder]: 1438/2923 cut-off events. [2022-11-21 13:45:50,368 INFO L131 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2022-11-21 13:45:50,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6598 conditions, 2923 events. 1438/2923 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 23040 event pairs, 177 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 6541. Up to 1268 conditions per place. [2022-11-21 13:45:50,476 INFO L137 encePairwiseOnDemand]: 128/141 looper letters, 39 selfloop transitions, 13 changer transitions 0/163 dead transitions. [2022-11-21 13:45:50,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 163 transitions, 503 flow [2022-11-21 13:45:50,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 13:45:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 13:45:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 516 transitions. [2022-11-21 13:45:50,481 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9148936170212766 [2022-11-21 13:45:50,481 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 516 transitions. [2022-11-21 13:45:50,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 516 transitions. [2022-11-21 13:45:50,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:45:50,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 516 transitions. [2022-11-21 13:45:50,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 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) [2022-11-21 13:45:50,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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) [2022-11-21 13:45:50,488 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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) [2022-11-21 13:45:50,488 INFO L175 Difference]: Start difference. First operand has 146 places, 138 transitions, 323 flow. Second operand 4 states and 516 transitions. [2022-11-21 13:45:50,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 163 transitions, 503 flow [2022-11-21 13:45:50,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 163 transitions, 498 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 13:45:50,500 INFO L231 Difference]: Finished difference. Result has 150 places, 146 transitions, 421 flow [2022-11-21 13:45:50,501 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=421, PETRI_PLACES=150, PETRI_TRANSITIONS=146} [2022-11-21 13:45:50,503 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, 2 predicate places. [2022-11-21 13:45:50,503 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 146 transitions, 421 flow [2022-11-21 13:45:50,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 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) [2022-11-21 13:45:50,504 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:45:50,504 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:45:50,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:45:50,505 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 13:45:50,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:50,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1526961451, now seen corresponding path program 1 times [2022-11-21 13:45:50,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:50,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558714765] [2022-11-21 13:45:50,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:50,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:45:50,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:50,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558714765] [2022-11-21 13:45:50,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558714765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:50,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:45:50,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 13:45:50,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892849882] [2022-11-21 13:45:50,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:50,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:45:50,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:50,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:45:50,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:45:50,649 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2022-11-21 13:45:50,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 146 transitions, 421 flow. Second operand has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 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) [2022-11-21 13:45:50,650 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:45:50,651 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2022-11-21 13:45:50,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:45:51,096 INFO L130 PetriNetUnfolder]: 571/1313 cut-off events. [2022-11-21 13:45:51,097 INFO L131 PetriNetUnfolder]: For 1786/1786 co-relation queries the response was YES. [2022-11-21 13:45:51,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3288 conditions, 1313 events. 571/1313 cut-off events. For 1786/1786 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8330 event pairs, 351 based on Foata normal form. 259/1402 useless extension candidates. Maximal degree in co-relation 3228. Up to 822 conditions per place. [2022-11-21 13:45:51,210 INFO L137 encePairwiseOnDemand]: 132/141 looper letters, 31 selfloop transitions, 5 changer transitions 0/147 dead transitions. [2022-11-21 13:45:51,210 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 147 transitions, 461 flow [2022-11-21 13:45:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 13:45:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-21 13:45:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 496 transitions. [2022-11-21 13:45:51,212 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2022-11-21 13:45:51,213 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 496 transitions. [2022-11-21 13:45:51,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 496 transitions. [2022-11-21 13:45:51,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:45:51,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 496 transitions. [2022-11-21 13:45:51,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 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) [2022-11-21 13:45:51,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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) [2022-11-21 13:45:51,217 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 141.0) internal successors, (705), 5 states have internal predecessors, (705), 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) [2022-11-21 13:45:51,217 INFO L175 Difference]: Start difference. First operand has 150 places, 146 transitions, 421 flow. Second operand 4 states and 496 transitions. [2022-11-21 13:45:51,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 147 transitions, 461 flow [2022-11-21 13:45:51,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 147 transitions, 438 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-11-21 13:45:51,223 INFO L231 Difference]: Finished difference. Result has 146 places, 138 transitions, 352 flow [2022-11-21 13:45:51,224 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=352, PETRI_PLACES=146, PETRI_TRANSITIONS=138} [2022-11-21 13:45:51,224 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2022-11-21 13:45:51,225 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 138 transitions, 352 flow [2022-11-21 13:45:51,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.25) internal successors, (465), 4 states have internal predecessors, (465), 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) [2022-11-21 13:45:51,225 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:45:51,226 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:45:51,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:45:51,226 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 13:45:51,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:51,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1625137068, now seen corresponding path program 1 times [2022-11-21 13:45:51,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:51,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429252541] [2022-11-21 13:45:51,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:51,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:45:51,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:51,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429252541] [2022-11-21 13:45:51,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429252541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:51,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:45:51,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:45:51,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536843144] [2022-11-21 13:45:51,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:51,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:45:51,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:45:51,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:45:51,462 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2022-11-21 13:45:51,463 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 138 transitions, 352 flow. Second operand has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 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) [2022-11-21 13:45:51,464 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:45:51,464 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2022-11-21 13:45:51,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:45:51,764 INFO L130 PetriNetUnfolder]: 418/1113 cut-off events. [2022-11-21 13:45:51,765 INFO L131 PetriNetUnfolder]: For 587/587 co-relation queries the response was YES. [2022-11-21 13:45:51,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2343 conditions, 1113 events. 418/1113 cut-off events. For 587/587 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6939 event pairs, 78 based on Foata normal form. 0/1060 useless extension candidates. Maximal degree in co-relation 2284. Up to 238 conditions per place. [2022-11-21 13:45:51,775 INFO L137 encePairwiseOnDemand]: 132/141 looper letters, 38 selfloop transitions, 13 changer transitions 4/166 dead transitions. [2022-11-21 13:45:51,775 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 166 transitions, 546 flow [2022-11-21 13:45:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 13:45:51,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 13:45:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 634 transitions. [2022-11-21 13:45:51,778 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8992907801418439 [2022-11-21 13:45:51,778 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 634 transitions. [2022-11-21 13:45:51,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 634 transitions. [2022-11-21 13:45:51,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:45:51,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 634 transitions. [2022-11-21 13:45:51,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 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) [2022-11-21 13:45:51,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 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) [2022-11-21 13:45:51,783 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 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) [2022-11-21 13:45:51,783 INFO L175 Difference]: Start difference. First operand has 146 places, 138 transitions, 352 flow. Second operand 5 states and 634 transitions. [2022-11-21 13:45:51,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 166 transitions, 546 flow [2022-11-21 13:45:51,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 166 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:45:51,788 INFO L231 Difference]: Finished difference. Result has 149 places, 138 transitions, 388 flow [2022-11-21 13:45:51,788 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=388, PETRI_PLACES=149, PETRI_TRANSITIONS=138} [2022-11-21 13:45:51,789 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, 1 predicate places. [2022-11-21 13:45:51,789 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 138 transitions, 388 flow [2022-11-21 13:45:51,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 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) [2022-11-21 13:45:51,790 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:45:51,791 INFO L209 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:45:51,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:45:51,800 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-21 13:45:51,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:51,801 INFO L85 PathProgramCache]: Analyzing trace with hash 120831116, now seen corresponding path program 1 times [2022-11-21 13:45:51,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:51,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600328653] [2022-11-21 13:45:51,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:51,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:45:52,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:52,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600328653] [2022-11-21 13:45:52,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600328653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:52,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:45:52,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:45:52,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026485182] [2022-11-21 13:45:52,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:52,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:45:52,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:52,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:45:52,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:45:52,135 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2022-11-21 13:45:52,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 138 transitions, 388 flow. Second operand has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 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) [2022-11-21 13:45:52,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:45:52,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2022-11-21 13:45:52,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:45:52,475 INFO L130 PetriNetUnfolder]: 399/1073 cut-off events. [2022-11-21 13:45:52,476 INFO L131 PetriNetUnfolder]: For 1165/1165 co-relation queries the response was YES. [2022-11-21 13:45:52,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2582 conditions, 1073 events. 399/1073 cut-off events. For 1165/1165 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6569 event pairs, 78 based on Foata normal form. 12/1044 useless extension candidates. Maximal degree in co-relation 2522. Up to 238 conditions per place. [2022-11-21 13:45:52,483 INFO L137 encePairwiseOnDemand]: 132/141 looper letters, 0 selfloop transitions, 0 changer transitions 158/158 dead transitions. [2022-11-21 13:45:52,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 158 transitions, 510 flow [2022-11-21 13:45:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:45:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 13:45:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 741 transitions. [2022-11-21 13:45:52,487 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2022-11-21 13:45:52,487 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 741 transitions. [2022-11-21 13:45:52,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 741 transitions. [2022-11-21 13:45:52,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:45:52,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 741 transitions. [2022-11-21 13:45:52,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 123.5) internal successors, (741), 6 states have internal predecessors, (741), 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) [2022-11-21 13:45:52,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 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) [2022-11-21 13:45:52,494 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 141.0) internal successors, (987), 7 states have internal predecessors, (987), 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) [2022-11-21 13:45:52,494 INFO L175 Difference]: Start difference. First operand has 149 places, 138 transitions, 388 flow. Second operand 6 states and 741 transitions. [2022-11-21 13:45:52,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 158 transitions, 510 flow [2022-11-21 13:45:52,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 158 transitions, 455 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-11-21 13:45:52,503 INFO L231 Difference]: Finished difference. Result has 144 places, 0 transitions, 0 flow [2022-11-21 13:45:52,504 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=144, PETRI_TRANSITIONS=0} [2022-11-21 13:45:52,506 INFO L288 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2022-11-21 13:45:52,507 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 0 transitions, 0 flow [2022-11-21 13:45:52,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 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) [2022-11-21 13:45:52,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-21 13:45:52,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-21 13:45:52,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-21 13:45:52,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-21 13:45:52,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-21 13:45:52,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-21 13:45:52,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-21 13:45:52,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-21 13:45:52,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-21 13:45:52,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-21 13:45:52,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-21 13:45:52,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-21 13:45:52,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-21 13:45:52,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-21 13:45:52,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-21 13:45:52,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-21 13:45:52,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-21 13:45:52,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-21 13:45:52,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-21 13:45:52,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-21 13:45:52,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:45:52,522 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-21 13:45:52,529 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 13:45:52,529 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 13:45:52,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:45:52 BasicIcfg [2022-11-21 13:45:52,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 13:45:52,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:45:52,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:45:52,537 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:45:52,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:45:46" (3/4) ... [2022-11-21 13:45:52,540 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 13:45:52,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-21 13:45:52,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-21 13:45:52,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-21 13:45:52,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-21 13:45:52,554 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-21 13:45:52,554 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 13:45:52,555 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 13:45:52,555 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 13:45:52,605 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 13:45:52,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:45:52,606 INFO L158 Benchmark]: Toolchain (without parser) took 7702.88ms. Allocated memory was 165.7MB in the beginning and 501.2MB in the end (delta: 335.5MB). Free memory was 132.0MB in the beginning and 277.1MB in the end (delta: -145.1MB). Peak memory consumption was 191.5MB. Max. memory is 16.1GB. [2022-11-21 13:45:52,607 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory was 106.5MB in the beginning and 106.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:45:52,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.33ms. Allocated memory is still 165.7MB. Free memory was 131.4MB in the beginning and 107.4MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-21 13:45:52,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.63ms. Allocated memory is still 165.7MB. Free memory was 107.4MB in the beginning and 104.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:45:52,608 INFO L158 Benchmark]: Boogie Preprocessor took 71.60ms. Allocated memory is still 165.7MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:45:52,608 INFO L158 Benchmark]: RCFGBuilder took 1070.05ms. Allocated memory was 165.7MB in the beginning and 232.8MB in the end (delta: 67.1MB). Free memory was 102.7MB in the beginning and 192.6MB in the end (delta: -89.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-11-21 13:45:52,608 INFO L158 Benchmark]: TraceAbstraction took 5629.69ms. Allocated memory was 232.8MB in the beginning and 501.2MB in the end (delta: 268.4MB). Free memory was 191.5MB in the beginning and 280.3MB in the end (delta: -88.8MB). Peak memory consumption was 179.7MB. Max. memory is 16.1GB. [2022-11-21 13:45:52,609 INFO L158 Benchmark]: Witness Printer took 69.45ms. Allocated memory is still 501.2MB. Free memory was 280.3MB in the beginning and 277.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:45:52,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 165.7MB. Free memory was 106.5MB in the beginning and 106.4MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.33ms. Allocated memory is still 165.7MB. Free memory was 131.4MB in the beginning and 107.4MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.63ms. Allocated memory is still 165.7MB. Free memory was 107.4MB in the beginning and 104.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.60ms. Allocated memory is still 165.7MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1070.05ms. Allocated memory was 165.7MB in the beginning and 232.8MB in the end (delta: 67.1MB). Free memory was 102.7MB in the beginning and 192.6MB in the end (delta: -89.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5629.69ms. Allocated memory was 232.8MB in the beginning and 501.2MB in the end (delta: 268.4MB). Free memory was 191.5MB in the beginning and 280.3MB in the end (delta: -88.8MB). Peak memory consumption was 179.7MB. Max. memory is 16.1GB. * Witness Printer took 69.45ms. Allocated memory is still 501.2MB. Free memory was 280.3MB in the beginning and 277.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: 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, 182 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 273 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 17 mSDtfsCounter, 273 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=421occurred in iteration=2, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 922 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! [2022-11-21 13:45:52,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2552e33d-e25c-4677-9d2e-695fa61718f7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE