./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.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_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/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_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/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_1b51b269-549d-4ca7-8078-015ba9ed6c49/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 15ac4e1d4eb7f123e42f66ffca6b608a72882a0faec253c9cc2d868c4bb280c3 --- 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 22:07:22,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:07:22,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:07:22,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:07:22,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:07:22,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:07:22,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:07:22,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:07:22,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:07:22,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:07:22,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:07:22,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:07:22,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:07:22,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:07:22,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:07:22,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:07:22,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:07:22,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:07:22,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:07:22,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:07:22,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:07:22,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:07:22,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:07:22,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:07:22,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:07:22,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:07:22,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:07:22,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:07:22,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:07:22,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:07:22,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:07:22,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:07:22,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:07:22,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:07:22,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:07:22,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:07:22,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:07:22,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:07:22,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:07:22,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:07:22,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:07:22,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 22:07:23,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:07:23,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:07:23,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:07:23,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:07:23,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:07:23,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:07:23,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:07:23,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:07:23,004 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:07:23,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:07:23,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:07:23,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:07:23,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:07:23,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:07:23,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:07:23,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:07:23,007 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:07:23,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:07:23,007 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:07:23,007 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_1b51b269-549d-4ca7-8078-015ba9ed6c49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15ac4e1d4eb7f123e42f66ffca6b608a72882a0faec253c9cc2d868c4bb280c3 [2022-12-13 22:07:23,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:07:23,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:07:23,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:07:23,222 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:07:23,223 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:07:23,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i [2022-12-13 22:07:25,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:07:25,952 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:07:25,952 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/sv-benchmarks/c/pthread-wmm/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i [2022-12-13 22:07:25,964 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/data/29fddad5d/952c0829e3834e9cafb9cfd1ce5db603/FLAG760a688fe [2022-12-13 22:07:26,338 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/data/29fddad5d/952c0829e3834e9cafb9cfd1ce5db603 [2022-12-13 22:07:26,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:07:26,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:07:26,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:07:26,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:07:26,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:07:26,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c4d7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26, skipping insertion in model container [2022-12-13 22:07:26,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:07:26,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:07:26,530 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_1b51b269-549d-4ca7-8078-015ba9ed6c49/sv-benchmarks/c/pthread-wmm/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i[1026,1039] [2022-12-13 22:07:26,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,647 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:07:26,670 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:07:26,679 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_1b51b269-549d-4ca7-8078-015ba9ed6c49/sv-benchmarks/c/pthread-wmm/safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i[1026,1039] [2022-12-13 22:07:26,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,707 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,708 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:07:26,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:07:26,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:07:26,729 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:07:26,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26 WrapperNode [2022-12-13 22:07:26,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:07:26,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:07:26,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:07:26,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:07:26,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,762 INFO L138 Inliner]: procedures = 175, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 120 [2022-12-13 22:07:26,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:07:26,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:07:26,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:07:26,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:07:26,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,782 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:07:26,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:07:26,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:07:26,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:07:26,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (1/1) ... [2022-12-13 22:07:26,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:07:26,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:07:26,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:07:26,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:07:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:07:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:07:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 22:07:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:07:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:07:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:07:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 22:07:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 22:07:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 22:07:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 22:07:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:07:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 22:07:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:07:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:07:26,854 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 22:07:26,968 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:07:26,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:07:27,243 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:07:27,367 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:07:27,367 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:07:27,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:07:27 BoogieIcfgContainer [2022-12-13 22:07:27,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:07:27,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:07:27,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:07:27,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:07:27,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:07:26" (1/3) ... [2022-12-13 22:07:27,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a314ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:07:27, skipping insertion in model container [2022-12-13 22:07:27,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:07:26" (2/3) ... [2022-12-13 22:07:27,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a314ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:07:27, skipping insertion in model container [2022-12-13 22:07:27,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:07:27" (3/3) ... [2022-12-13 22:07:27,376 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_rmo.oepc_rmo.opt-thin000_rmo.oepc_rmo.opt.i [2022-12-13 22:07:27,382 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 22:07:27,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:07:27,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 22:07:27,391 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 22:07:27,434 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 22:07:27,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 113 transitions, 236 flow [2022-12-13 22:07:27,496 INFO L130 PetriNetUnfolder]: 2/111 cut-off events. [2022-12-13 22:07:27,496 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:07:27,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2022-12-13 22:07:27,499 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 113 transitions, 236 flow [2022-12-13 22:07:27,502 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 111 transitions, 228 flow [2022-12-13 22:07:27,505 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:07:27,513 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 111 transitions, 228 flow [2022-12-13 22:07:27,515 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 111 transitions, 228 flow [2022-12-13 22:07:27,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 111 transitions, 228 flow [2022-12-13 22:07:27,535 INFO L130 PetriNetUnfolder]: 2/111 cut-off events. [2022-12-13 22:07:27,535 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:07:27,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2022-12-13 22:07:27,537 INFO L119 LiptonReduction]: Number of co-enabled transitions 1276 [2022-12-13 22:07:32,276 INFO L134 LiptonReduction]: Checked pairs total: 3794 [2022-12-13 22:07:32,276 INFO L136 LiptonReduction]: Total number of compositions: 98 [2022-12-13 22:07:32,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:07:32,290 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;@41f181c5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:07:32,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 22:07:32,293 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-13 22:07:32,293 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:07:32,293 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:07:32,294 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 22:07:32,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 22:07:32,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:07:32,298 INFO L85 PathProgramCache]: Analyzing trace with hash 558092792, now seen corresponding path program 1 times [2022-12-13 22:07:32,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:07:32,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069180581] [2022-12-13 22:07:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:07:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:07:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:07:32,501 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 22:07:32,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:07:32,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069180581] [2022-12-13 22:07:32,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069180581] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:07:32,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:07:32,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:07:32,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591552757] [2022-12-13 22:07:32,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:07:32,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:07:32,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:07:32,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:07:32,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:07:32,534 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 211 [2022-12-13 22:07:32,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 18 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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 22:07:32,537 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:07:32,537 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 211 [2022-12-13 22:07:32,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:07:32,622 INFO L130 PetriNetUnfolder]: 73/147 cut-off events. [2022-12-13 22:07:32,622 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 22:07:32,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 147 events. 73/147 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 493 event pairs, 25 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 293. Up to 91 conditions per place. [2022-12-13 22:07:32,623 INFO L137 encePairwiseOnDemand]: 204/211 looper letters, 21 selfloop transitions, 3 changer transitions 2/28 dead transitions. [2022-12-13 22:07:32,624 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 28 transitions, 117 flow [2022-12-13 22:07:32,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:07:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:07:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2022-12-13 22:07:32,633 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5071090047393365 [2022-12-13 22:07:32,634 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2022-12-13 22:07:32,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2022-12-13 22:07:32,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:07:32,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2022-12-13 22:07:32,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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 22:07:32,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 22:07:32,642 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 22:07:32,644 INFO L175 Difference]: Start difference. First operand has 25 places, 18 transitions, 42 flow. Second operand 3 states and 321 transitions. [2022-12-13 22:07:32,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 28 transitions, 117 flow [2022-12-13 22:07:32,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 28 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 22:07:32,647 INFO L231 Difference]: Finished difference. Result has 26 places, 18 transitions, 57 flow [2022-12-13 22:07:32,648 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2022-12-13 22:07:32,651 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2022-12-13 22:07:32,651 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 57 flow [2022-12-13 22:07:32,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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 22:07:32,651 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:07:32,651 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:07:32,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:07:32,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 22:07:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:07:32,652 INFO L85 PathProgramCache]: Analyzing trace with hash 85876508, now seen corresponding path program 1 times [2022-12-13 22:07:32,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:07:32,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783043591] [2022-12-13 22:07:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:07:32,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:07:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:07:32,764 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 22:07:32,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:07:32,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783043591] [2022-12-13 22:07:32,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783043591] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:07:32,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:07:32,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:07:32,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996291756] [2022-12-13 22:07:32,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:07:32,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:07:32,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:07:32,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:07:32,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:07:32,772 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 211 [2022-12-13 22:07:32,773 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 18 transitions, 57 flow. Second operand has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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 22:07:32,773 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:07:32,773 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 211 [2022-12-13 22:07:32,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:07:32,848 INFO L130 PetriNetUnfolder]: 60/122 cut-off events. [2022-12-13 22:07:32,848 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-13 22:07:32,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 122 events. 60/122 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 385 event pairs, 25 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 295. Up to 65 conditions per place. [2022-12-13 22:07:32,849 INFO L137 encePairwiseOnDemand]: 206/211 looper letters, 19 selfloop transitions, 3 changer transitions 0/24 dead transitions. [2022-12-13 22:07:32,849 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 24 transitions, 111 flow [2022-12-13 22:07:32,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:07:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 22:07:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 412 transitions. [2022-12-13 22:07:32,851 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4881516587677725 [2022-12-13 22:07:32,851 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 412 transitions. [2022-12-13 22:07:32,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 412 transitions. [2022-12-13 22:07:32,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:07:32,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 412 transitions. [2022-12-13 22:07:32,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.0) internal successors, (412), 4 states have internal predecessors, (412), 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 22:07:32,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 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 22:07:32,854 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 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 22:07:32,854 INFO L175 Difference]: Start difference. First operand has 26 places, 18 transitions, 57 flow. Second operand 4 states and 412 transitions. [2022-12-13 22:07:32,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 24 transitions, 111 flow [2022-12-13 22:07:32,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 24 transitions, 108 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:07:32,855 INFO L231 Difference]: Finished difference. Result has 26 places, 16 transitions, 52 flow [2022-12-13 22:07:32,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=52, PETRI_PLACES=26, PETRI_TRANSITIONS=16} [2022-12-13 22:07:32,855 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2022-12-13 22:07:32,855 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 16 transitions, 52 flow [2022-12-13 22:07:32,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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 22:07:32,856 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:07:32,856 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:07:32,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:07:32,856 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 22:07:32,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:07:32,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2075848549, now seen corresponding path program 1 times [2022-12-13 22:07:32,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:07:32,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277239855] [2022-12-13 22:07:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:07:32,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:07:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:07:32,928 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 22:07:32,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:07:32,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277239855] [2022-12-13 22:07:32,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277239855] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:07:32,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:07:32,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:07:32,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551398836] [2022-12-13 22:07:32,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:07:32,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:07:32,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:07:32,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:07:32,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:07:32,937 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 211 [2022-12-13 22:07:32,938 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 52 flow. Second operand has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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 22:07:32,938 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:07:32,938 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 211 [2022-12-13 22:07:32,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:07:33,009 INFO L130 PetriNetUnfolder]: 54/108 cut-off events. [2022-12-13 22:07:33,010 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-12-13 22:07:33,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 108 events. 54/108 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 334 event pairs, 25 based on Foata normal form. 8/113 useless extension candidates. Maximal degree in co-relation 259. Up to 54 conditions per place. [2022-12-13 22:07:33,010 INFO L137 encePairwiseOnDemand]: 206/211 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2022-12-13 22:07:33,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 102 flow [2022-12-13 22:07:33,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:07:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 22:07:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 410 transitions. [2022-12-13 22:07:33,013 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48578199052132703 [2022-12-13 22:07:33,013 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 410 transitions. [2022-12-13 22:07:33,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 410 transitions. [2022-12-13 22:07:33,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:07:33,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 410 transitions. [2022-12-13 22:07:33,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 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 22:07:33,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 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 22:07:33,017 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 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 22:07:33,018 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 52 flow. Second operand 4 states and 410 transitions. [2022-12-13 22:07:33,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 102 flow [2022-12-13 22:07:33,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 22 transitions, 95 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 22:07:33,019 INFO L231 Difference]: Finished difference. Result has 24 places, 0 transitions, 0 flow [2022-12-13 22:07:33,019 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=24, PETRI_TRANSITIONS=0} [2022-12-13 22:07:33,019 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, -1 predicate places. [2022-12-13 22:07:33,019 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 0 transitions, 0 flow [2022-12-13 22:07:33,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.25) internal successors, (397), 4 states have internal predecessors, (397), 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 22:07:33,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-13 22:07:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-13 22:07:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-13 22:07:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-13 22:07:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-12-13 22:07:33,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-12-13 22:07:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-13 22:07:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-13 22:07:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-13 22:07:33,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-13 22:07:33,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:07:33,025 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:07:33,029 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 22:07:33,030 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:07:33,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:07:33 BasicIcfg [2022-12-13 22:07:33,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:07:33,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:07:33,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:07:33,035 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:07:33,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:07:27" (3/4) ... [2022-12-13 22:07:33,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 22:07:33,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 22:07:33,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 22:07:33,047 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-12-13 22:07:33,047 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 22:07:33,047 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 22:07:33,048 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 22:07:33,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:07:33,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:07:33,082 INFO L158 Benchmark]: Toolchain (without parser) took 6737.04ms. Allocated memory is still 184.5MB. Free memory was 143.4MB in the beginning and 74.3MB in the end (delta: 69.1MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2022-12-13 22:07:33,082 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:07:33,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.03ms. Allocated memory is still 184.5MB. Free memory was 143.4MB in the beginning and 137.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 22:07:33,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.52ms. Allocated memory is still 184.5MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:07:33,082 INFO L158 Benchmark]: Boogie Preprocessor took 23.14ms. Allocated memory is still 184.5MB. Free memory was 135.0MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:07:33,083 INFO L158 Benchmark]: RCFGBuilder took 583.38ms. Allocated memory is still 184.5MB. Free memory was 132.9MB in the beginning and 88.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 22:07:33,083 INFO L158 Benchmark]: TraceAbstraction took 5663.22ms. Allocated memory is still 184.5MB. Free memory was 88.0MB in the beginning and 78.5MB in the end (delta: 9.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-12-13 22:07:33,083 INFO L158 Benchmark]: Witness Printer took 46.44ms. Allocated memory is still 184.5MB. Free memory was 78.5MB in the beginning and 74.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:07:33,084 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 107.0MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.03ms. Allocated memory is still 184.5MB. Free memory was 143.4MB in the beginning and 137.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.52ms. Allocated memory is still 184.5MB. Free memory was 137.1MB in the beginning and 135.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.14ms. Allocated memory is still 184.5MB. Free memory was 135.0MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.38ms. Allocated memory is still 184.5MB. Free memory was 132.9MB in the beginning and 88.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5663.22ms. Allocated memory is still 184.5MB. Free memory was 88.0MB in the beginning and 78.5MB in the end (delta: 9.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 46.44ms. Allocated memory is still 184.5MB. Free memory was 78.5MB in the beginning and 74.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 116 PlacesBefore, 25 PlacesAfterwards, 111 TransitionsBefore, 18 TransitionsAfterwards, 1276 CoEnabledTransitionPairs, 8 FixpointIterations, 55 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 98 TotalNumberOfCompositions, 3794 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1913, independent: 1711, independent conditional: 0, independent unconditional: 1711, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 704, independent: 666, independent conditional: 0, independent unconditional: 666, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1913, independent: 1045, independent conditional: 0, independent unconditional: 1045, dependent: 164, dependent conditional: 0, dependent unconditional: 164, unknown: 704, unknown conditional: 0, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: 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 5 procedures, 133 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 7 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 22:07:33,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b51b269-549d-4ca7-8078-015ba9ed6c49/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