./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8 --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 a6d0914923ba77f2cbf67d52dc6ec759519359118cb2f8fd5f254f95bf2b938e --- 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-2329fc7 [2022-12-13 18:34:32,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:34:32,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:34:32,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:34:32,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:34:32,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:34:32,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:34:32,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:34:32,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:34:32,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:34:32,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:34:32,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:34:32,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:34:32,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:34:32,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:34:32,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:34:32,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:34:32,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:34:32,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:34:32,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:34:32,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:34:32,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:34:32,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:34:32,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:34:32,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:34:32,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:34:32,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:34:32,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:34:32,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:34:32,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:34:32,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:34:32,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:34:32,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:34:32,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:34:32,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:34:32,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:34:32,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:34:32,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:34:32,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:34:32,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:34:32,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:34:32,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 18:34:32,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:34:32,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:34:32,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:34:32,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:34:32,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:34:32,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:34:32,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:34:32,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:34:32,372 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:34:32,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:34:32,372 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:34:32,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:34:32,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:34:32,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:34:32,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:34:32,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:34:32,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:34:32,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:34:32,373 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:34:32,374 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:34:32,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:34:32,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:34:32,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:34:32,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:34:32,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:34:32,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:34:32,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:34:32,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:34:32,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:34:32,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:34:32,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:34:32,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:34:32,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:34:32,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:34:32,376 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:34:32,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:34:32,376 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:34:32,376 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6d0914923ba77f2cbf67d52dc6ec759519359118cb2f8fd5f254f95bf2b938e [2022-12-13 18:34:32,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:34:32,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:34:32,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:34:32,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:34:32,577 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:34:32,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 18:34:35,157 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:34:35,339 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:34:35,339 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/sv-benchmarks/c/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 18:34:35,349 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/data/6c5b5ca94/2e4105519a3f4f9dbc7507bea6492a58/FLAG6013d2acf [2022-12-13 18:34:35,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/data/6c5b5ca94/2e4105519a3f4f9dbc7507bea6492a58 [2022-12-13 18:34:35,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:34:35,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:34:35,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:34:35,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:34:35,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:34:35,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:34:35" (1/1) ... [2022-12-13 18:34:35,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4183dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:35, skipping insertion in model container [2022-12-13 18:34:35,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:34:35" (1/1) ... [2022-12-13 18:34:35,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:34:35,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:34:35,947 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_9290cbce-44e2-4a89-8354-ca449d2d24cd/sv-benchmarks/c/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-13 18:34:36,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:34:36,120 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:34:36,131 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_9290cbce-44e2-4a89-8354-ca449d2d24cd/sv-benchmarks/c/pthread-wmm/mix030_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-13 18:34:36,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,159 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,162 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:34:36,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:34:36,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:34:36,212 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:34:36,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36 WrapperNode [2022-12-13 18:34:36,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:34:36,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:34:36,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:34:36,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:34:36,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,254 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2022-12-13 18:34:36,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:34:36,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:34:36,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:34:36,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:34:36,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:34:36,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:34:36,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:34:36,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:34:36,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (1/1) ... [2022-12-13 18:34:36,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:34:36,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:36,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:36,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:34:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:34:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 18:34:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:34:36,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:34:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:34:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 18:34:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 18:34:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 18:34:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 18:34:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 18:34:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 18:34:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 18:34:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 18:34:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:34:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 18:34:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:34:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:34:36,344 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:34:36,453 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:34:36,455 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:34:36,748 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:34:36,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:34:36,840 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:34:36,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:34:36 BoogieIcfgContainer [2022-12-13 18:34:36,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:34:36,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:34:36,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:34:36,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:34:36,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:34:35" (1/3) ... [2022-12-13 18:34:36,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3b0b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:34:36, skipping insertion in model container [2022-12-13 18:34:36,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:36" (2/3) ... [2022-12-13 18:34:36,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3b0b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:34:36, skipping insertion in model container [2022-12-13 18:34:36,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:34:36" (3/3) ... [2022-12-13 18:34:36,848 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 18:34:36,854 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:34:36,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:34:36,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 18:34:36,862 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:34:36,901 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 18:34:36,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 142 transitions, 304 flow [2022-12-13 18:34:36,996 INFO L130 PetriNetUnfolder]: 2/138 cut-off events. [2022-12-13 18:34:36,996 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:34:37,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 138 events. 2/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2022-12-13 18:34:37,001 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 142 transitions, 304 flow [2022-12-13 18:34:37,004 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 138 transitions, 288 flow [2022-12-13 18:34:37,007 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:34:37,015 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 138 transitions, 288 flow [2022-12-13 18:34:37,030 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 138 transitions, 288 flow [2022-12-13 18:34:37,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 138 transitions, 288 flow [2022-12-13 18:34:37,067 INFO L130 PetriNetUnfolder]: 2/138 cut-off events. [2022-12-13 18:34:37,067 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:34:37,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 138 events. 2/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2022-12-13 18:34:37,071 INFO L119 LiptonReduction]: Number of co-enabled transitions 4298 [2022-12-13 18:34:39,708 INFO L134 LiptonReduction]: Checked pairs total: 14320 [2022-12-13 18:34:39,709 INFO L136 LiptonReduction]: Total number of compositions: 112 [2022-12-13 18:34:39,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:34:39,727 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;@5eb57963, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:34:39,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-13 18:34:39,731 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-13 18:34:39,731 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:34:39,731 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:34:39,732 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:34:39,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 18:34:39,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:39,736 INFO L85 PathProgramCache]: Analyzing trace with hash 609619934, now seen corresponding path program 1 times [2022-12-13 18:34:39,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:39,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565065322] [2022-12-13 18:34:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:34:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:34:39,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:34:39,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565065322] [2022-12-13 18:34:39,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565065322] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:34:39,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:34:39,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 18:34:39,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985304539] [2022-12-13 18:34:39,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:34:39,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:34:39,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:34:39,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:34:39,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:34:40,002 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 254 [2022-12-13 18:34:40,005 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2022-12-13 18:34:40,005 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:34:40,005 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 254 [2022-12-13 18:34:40,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:34:41,354 INFO L130 PetriNetUnfolder]: 9639/13123 cut-off events. [2022-12-13 18:34:41,354 INFO L131 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2022-12-13 18:34:41,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26391 conditions, 13123 events. 9639/13123 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 537. Compared 68257 event pairs, 9639 based on Foata normal form. 0/10457 useless extension candidates. Maximal degree in co-relation 26379. Up to 12950 conditions per place. [2022-12-13 18:34:41,446 INFO L137 encePairwiseOnDemand]: 249/254 looper letters, 27 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2022-12-13 18:34:41,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 32 transitions, 132 flow [2022-12-13 18:34:41,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:34:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:34:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2022-12-13 18:34:41,455 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.494750656167979 [2022-12-13 18:34:41,456 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2022-12-13 18:34:41,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2022-12-13 18:34:41,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:34:41,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2022-12-13 18:34:41,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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) [2022-12-13 18:34:41,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 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) [2022-12-13 18:34:41,465 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 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) [2022-12-13 18:34:41,467 INFO L175 Difference]: Start difference. First operand has 49 places, 36 transitions, 84 flow. Second operand 3 states and 377 transitions. [2022-12-13 18:34:41,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 32 transitions, 132 flow [2022-12-13 18:34:41,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 32 transitions, 128 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 18:34:41,473 INFO L231 Difference]: Finished difference. Result has 43 places, 32 transitions, 74 flow [2022-12-13 18:34:41,475 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2022-12-13 18:34:41,478 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, -6 predicate places. [2022-12-13 18:34:41,478 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 74 flow [2022-12-13 18:34:41,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2022-12-13 18:34:41,478 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:34:41,478 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:34:41,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:34:41,479 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 18:34:41,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:41,479 INFO L85 PathProgramCache]: Analyzing trace with hash 609619935, now seen corresponding path program 1 times [2022-12-13 18:34:41,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:41,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781101109] [2022-12-13 18:34:41,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:41,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:34:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:34:41,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:34:41,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781101109] [2022-12-13 18:34:41,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781101109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:34:41,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:34:41,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 18:34:41,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166674077] [2022-12-13 18:34:41,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:34:41,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:34:41,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:34:41,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:34:41,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:34:41,544 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 254 [2022-12-13 18:34:41,544 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2022-12-13 18:34:41,544 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:34:41,545 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 254 [2022-12-13 18:34:41,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:34:42,662 INFO L130 PetriNetUnfolder]: 6207/8651 cut-off events. [2022-12-13 18:34:42,663 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:34:42,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17457 conditions, 8651 events. 6207/8651 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 45537 event pairs, 1715 based on Foata normal form. 0/7453 useless extension candidates. Maximal degree in co-relation 17451. Up to 6853 conditions per place. [2022-12-13 18:34:42,691 INFO L137 encePairwiseOnDemand]: 245/254 looper letters, 45 selfloop transitions, 5 changer transitions 0/54 dead transitions. [2022-12-13 18:34:42,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 54 transitions, 224 flow [2022-12-13 18:34:42,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:34:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:34:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2022-12-13 18:34:42,693 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5236220472440944 [2022-12-13 18:34:42,693 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 399 transitions. [2022-12-13 18:34:42,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions. [2022-12-13 18:34:42,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:34:42,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions. [2022-12-13 18:34:42,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 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) [2022-12-13 18:34:42,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 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) [2022-12-13 18:34:42,696 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 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) [2022-12-13 18:34:42,696 INFO L175 Difference]: Start difference. First operand has 43 places, 32 transitions, 74 flow. Second operand 3 states and 399 transitions. [2022-12-13 18:34:42,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 54 transitions, 224 flow [2022-12-13 18:34:42,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 54 transitions, 223 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:34:42,697 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 112 flow [2022-12-13 18:34:42,697 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2022-12-13 18:34:42,698 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, -4 predicate places. [2022-12-13 18:34:42,698 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 112 flow [2022-12-13 18:34:42,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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) [2022-12-13 18:34:42,698 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:34:42,698 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:34:42,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:34:42,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 18:34:42,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:42,699 INFO L85 PathProgramCache]: Analyzing trace with hash -88960766, now seen corresponding path program 1 times [2022-12-13 18:34:42,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:42,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043003289] [2022-12-13 18:34:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:34:42,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:34:42,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:34:42,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043003289] [2022-12-13 18:34:42,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043003289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:34:42,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:34:42,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:34:42,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053095445] [2022-12-13 18:34:42,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:34:42,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:34:42,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:34:42,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:34:42,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:34:42,820 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 254 [2022-12-13 18:34:42,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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) [2022-12-13 18:34:42,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:34:42,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 254 [2022-12-13 18:34:42,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:34:43,471 INFO L130 PetriNetUnfolder]: 4260/5982 cut-off events. [2022-12-13 18:34:43,471 INFO L131 PetriNetUnfolder]: For 483/483 co-relation queries the response was YES. [2022-12-13 18:34:43,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14287 conditions, 5982 events. 4260/5982 cut-off events. For 483/483 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 30414 event pairs, 1261 based on Foata normal form. 0/5700 useless extension candidates. Maximal degree in co-relation 14279. Up to 2277 conditions per place. [2022-12-13 18:34:43,493 INFO L137 encePairwiseOnDemand]: 245/254 looper letters, 61 selfloop transitions, 9 changer transitions 0/74 dead transitions. [2022-12-13 18:34:43,493 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 74 transitions, 346 flow [2022-12-13 18:34:43,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:34:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 18:34:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 534 transitions. [2022-12-13 18:34:43,495 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5255905511811023 [2022-12-13 18:34:43,495 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 534 transitions. [2022-12-13 18:34:43,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 534 transitions. [2022-12-13 18:34:43,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:34:43,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 534 transitions. [2022-12-13 18:34:43,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.5) internal successors, (534), 4 states have internal predecessors, (534), 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) [2022-12-13 18:34:43,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 254.0) internal successors, (1270), 5 states have internal predecessors, (1270), 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) [2022-12-13 18:34:43,499 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 254.0) internal successors, (1270), 5 states have internal predecessors, (1270), 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) [2022-12-13 18:34:43,499 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 112 flow. Second operand 4 states and 534 transitions. [2022-12-13 18:34:43,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 74 transitions, 346 flow [2022-12-13 18:34:43,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 74 transitions, 341 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:34:43,502 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 165 flow [2022-12-13 18:34:43,502 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=165, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2022-12-13 18:34:43,502 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2022-12-13 18:34:43,502 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 165 flow [2022-12-13 18:34:43,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 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) [2022-12-13 18:34:43,503 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:34:43,503 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:34:43,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:34:43,503 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 18:34:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash 963571124, now seen corresponding path program 1 times [2022-12-13 18:34:43,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:43,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913560278] [2022-12-13 18:34:43,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:34:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:34:43,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:34:43,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913560278] [2022-12-13 18:34:43,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913560278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:34:43,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:34:43,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:34:43,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86114702] [2022-12-13 18:34:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:34:43,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:34:43,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:34:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:34:43,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:34:43,632 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 254 [2022-12-13 18:34:43,633 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 165 flow. Second operand has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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) [2022-12-13 18:34:43,633 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:34:43,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 254 [2022-12-13 18:34:43,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:34:44,391 INFO L130 PetriNetUnfolder]: 3939/5475 cut-off events. [2022-12-13 18:34:44,392 INFO L131 PetriNetUnfolder]: For 3273/3273 co-relation queries the response was YES. [2022-12-13 18:34:44,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14293 conditions, 5475 events. 3939/5475 cut-off events. For 3273/3273 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 27444 event pairs, 1217 based on Foata normal form. 0/5403 useless extension candidates. Maximal degree in co-relation 14283. Up to 2277 conditions per place. [2022-12-13 18:34:44,415 INFO L137 encePairwiseOnDemand]: 245/254 looper letters, 71 selfloop transitions, 13 changer transitions 4/92 dead transitions. [2022-12-13 18:34:44,415 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 92 transitions, 473 flow [2022-12-13 18:34:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:34:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 18:34:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 667 transitions. [2022-12-13 18:34:44,419 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5251968503937008 [2022-12-13 18:34:44,419 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 667 transitions. [2022-12-13 18:34:44,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 667 transitions. [2022-12-13 18:34:44,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:34:44,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 667 transitions. [2022-12-13 18:34:44,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 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) [2022-12-13 18:34:44,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 254.0) internal successors, (1524), 6 states have internal predecessors, (1524), 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) [2022-12-13 18:34:44,429 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 254.0) internal successors, (1524), 6 states have internal predecessors, (1524), 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) [2022-12-13 18:34:44,429 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 165 flow. Second operand 5 states and 667 transitions. [2022-12-13 18:34:44,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 92 transitions, 473 flow [2022-12-13 18:34:44,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 92 transitions, 455 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-13 18:34:44,439 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 189 flow [2022-12-13 18:34:44,440 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2022-12-13 18:34:44,441 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2022-12-13 18:34:44,441 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 189 flow [2022-12-13 18:34:44,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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) [2022-12-13 18:34:44,442 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:34:44,442 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] [2022-12-13 18:34:44,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:34:44,442 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 18:34:44,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:44,443 INFO L85 PathProgramCache]: Analyzing trace with hash 578345363, now seen corresponding path program 1 times [2022-12-13 18:34:44,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:44,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907358210] [2022-12-13 18:34:44,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:44,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:34:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:34:44,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:34:44,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907358210] [2022-12-13 18:34:44,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907358210] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:34:44,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:34:44,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:34:44,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12594104] [2022-12-13 18:34:44,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:34:44,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:34:44,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:34:44,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:34:44,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:34:44,566 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 254 [2022-12-13 18:34:44,567 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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) [2022-12-13 18:34:44,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:34:44,568 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 254 [2022-12-13 18:34:44,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:34:45,194 INFO L130 PetriNetUnfolder]: 3912/5428 cut-off events. [2022-12-13 18:34:45,194 INFO L131 PetriNetUnfolder]: For 3979/3979 co-relation queries the response was YES. [2022-12-13 18:34:45,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14524 conditions, 5428 events. 3912/5428 cut-off events. For 3979/3979 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 27298 event pairs, 1217 based on Foata normal form. 16/5388 useless extension candidates. Maximal degree in co-relation 14513. Up to 2277 conditions per place. [2022-12-13 18:34:45,202 INFO L137 encePairwiseOnDemand]: 245/254 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2022-12-13 18:34:45,202 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 84 transitions, 425 flow [2022-12-13 18:34:45,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:34:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:34:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 774 transitions. [2022-12-13 18:34:45,204 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5078740157480315 [2022-12-13 18:34:45,204 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 774 transitions. [2022-12-13 18:34:45,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 774 transitions. [2022-12-13 18:34:45,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:34:45,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 774 transitions. [2022-12-13 18:34:45,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 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) [2022-12-13 18:34:45,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 254.0) internal successors, (1778), 7 states have internal predecessors, (1778), 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) [2022-12-13 18:34:45,207 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 254.0) internal successors, (1778), 7 states have internal predecessors, (1778), 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) [2022-12-13 18:34:45,207 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 189 flow. Second operand 6 states and 774 transitions. [2022-12-13 18:34:45,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 84 transitions, 425 flow [2022-12-13 18:34:45,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 84 transitions, 370 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-12-13 18:34:45,278 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2022-12-13 18:34:45,279 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=254, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2022-12-13 18:34:45,279 INFO L288 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2022-12-13 18:34:45,279 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2022-12-13 18:34:45,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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) [2022-12-13 18:34:45,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-13 18:34:45,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-13 18:34:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-13 18:34:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-13 18:34:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-13 18:34:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-13 18:34:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-12-13 18:34:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-12-13 18:34:45,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-12-13 18:34:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-12-13 18:34:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-12-13 18:34:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-12-13 18:34:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-13 18:34:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-13 18:34:45,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-13 18:34:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-13 18:34:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-13 18:34:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-13 18:34:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-13 18:34:45,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-13 18:34:45,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:34:45,285 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 18:34:45,290 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 18:34:45,290 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:34:45,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:34:45 BasicIcfg [2022-12-13 18:34:45,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:34:45,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:34:45,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:34:45,294 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:34:45,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:34:36" (3/4) ... [2022-12-13 18:34:45,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:34:45,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 18:34:45,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 18:34:45,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-12-13 18:34:45,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-12-13 18:34:45,306 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 18:34:45,306 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 18:34:45,307 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:34:45,307 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:34:45,347 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:34:45,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:34:45,348 INFO L158 Benchmark]: Toolchain (without parser) took 9600.60ms. Allocated memory was 142.6MB in the beginning and 771.8MB in the end (delta: 629.1MB). Free memory was 82.0MB in the beginning and 443.2MB in the end (delta: -361.3MB). Peak memory consumption was 268.9MB. Max. memory is 16.1GB. [2022-12-13 18:34:45,349 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:34:45,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.10ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 90.9MB in the end (delta: -9.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-12-13 18:34:45,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.09ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 88.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:34:45,350 INFO L158 Benchmark]: Boogie Preprocessor took 22.32ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:34:45,350 INFO L158 Benchmark]: RCFGBuilder took 564.99ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 95.1MB in the end (delta: -8.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-12-13 18:34:45,350 INFO L158 Benchmark]: TraceAbstraction took 8449.87ms. Allocated memory was 142.6MB in the beginning and 771.8MB in the end (delta: 629.1MB). Free memory was 94.3MB in the beginning and 446.4MB in the end (delta: -352.1MB). Peak memory consumption was 546.1MB. Max. memory is 16.1GB. [2022-12-13 18:34:45,351 INFO L158 Benchmark]: Witness Printer took 53.64ms. Allocated memory is still 771.8MB. Free memory was 446.4MB in the beginning and 443.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:34:45,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.10ms. Allocated memory is still 142.6MB. Free memory was 81.8MB in the beginning and 90.9MB in the end (delta: -9.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.09ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 88.4MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.32ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.99ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 95.1MB in the end (delta: -8.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8449.87ms. Allocated memory was 142.6MB in the beginning and 771.8MB in the end (delta: 629.1MB). Free memory was 94.3MB in the beginning and 446.4MB in the end (delta: -352.1MB). Peak memory consumption was 546.1MB. Max. memory is 16.1GB. * Witness Printer took 53.64ms. Allocated memory is still 771.8MB. Free memory was 446.4MB in the beginning and 443.2MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 149 PlacesBefore, 49 PlacesAfterwards, 138 TransitionsBefore, 36 TransitionsAfterwards, 4298 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 112 TotalNumberOfCompositions, 14320 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5264, independent: 4944, independent conditional: 0, independent unconditional: 4944, dependent: 320, dependent conditional: 0, dependent unconditional: 320, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2240, independent: 2171, independent conditional: 0, independent unconditional: 2171, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5264, independent: 2773, independent conditional: 0, independent unconditional: 2773, dependent: 251, dependent conditional: 0, dependent unconditional: 251, unknown: 2240, unknown conditional: 0, unknown unconditional: 2240] , Statistics on independence cache: Total cache size (in pairs): 218, Positive cache size: 189, Positive conditional cache size: 0, Positive unconditional cache size: 189, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 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: 847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 847]: 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, 186 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: 8.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 344 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 305 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 365 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 14 mSDtfsCounter, 365 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 0.4s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 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! [2022-12-13 18:34:45,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9290cbce-44e2-4a89-8354-ca449d2d24cd/bin/uautomizer-uyxdKDjOR8/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