./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix040_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_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/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_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/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_11fff339-e07f-46ee-9a5d-4ef562c5af0d/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 a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 --- 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 15:10:22,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:10:22,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:10:22,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:10:22,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:10:22,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:10:22,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:10:22,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:10:22,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:10:22,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:10:22,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:10:22,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:10:22,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:10:22,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:10:22,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:10:22,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:10:22,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:10:22,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:10:22,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:10:22,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:10:22,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:10:22,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:10:22,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:10:22,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:10:22,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:10:22,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:10:22,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:10:22,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:10:22,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:10:22,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:10:22,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:10:22,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:10:22,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:10:22,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:10:22,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:10:22,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:10:22,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:10:22,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:10:22,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:10:22,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:10:22,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:10:22,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 15:10:22,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:10:22,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:10:22,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:10:22,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:10:22,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:10:22,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:10:22,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:10:22,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:10:22,783 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:10:22,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:10:22,783 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:10:22,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:10:22,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:10:22,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:10:22,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:10:22,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:10:22,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:10:22,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:10:22,785 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:10:22,785 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:10:22,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:10:22,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:10:22,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:10:22,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:10:22,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:10:22,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:10:22,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:10:22,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:10:22,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:10:22,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:10:22,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:10:22,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:10:22,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:10:22,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:10:22,787 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:10:22,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:10:22,787 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:10:22,787 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_11fff339-e07f-46ee-9a5d-4ef562c5af0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 [2022-12-13 15:10:22,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:10:22,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:10:22,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:10:22,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:10:22,994 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:10:22,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 15:10:25,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:10:25,779 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:10:25,780 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 15:10:25,792 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/data/b3a5f6965/185a9dd3605a4b129ad92cd50eee9ec9/FLAGba42e1a55 [2022-12-13 15:10:25,805 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/data/b3a5f6965/185a9dd3605a4b129ad92cd50eee9ec9 [2022-12-13 15:10:25,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:10:25,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:10:25,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:10:25,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:10:25,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:10:25,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:10:25" (1/1) ... [2022-12-13 15:10:25,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6467b299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:25, skipping insertion in model container [2022-12-13 15:10:25,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:10:25" (1/1) ... [2022-12-13 15:10:25,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:10:25,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:10:25,980 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_11fff339-e07f-46ee-9a5d-4ef562c5af0d/sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-13 15:10:26,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,131 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,131 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,133 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,133 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,133 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:10:26,144 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:10:26,155 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_11fff339-e07f-46ee-9a5d-4ef562c5af0d/sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-13 15:10:26,175 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 15:10:26,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 15:10:26,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:10:26,238 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:10:26,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26 WrapperNode [2022-12-13 15:10:26,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:10:26,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:10:26,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:10:26,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:10:26,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,285 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2022-12-13 15:10:26,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:10:26,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:10:26,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:10:26,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:10:26,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,313 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:10:26,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:10:26,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:10:26,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:10:26,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (1/1) ... [2022-12-13 15:10:26,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:10:26,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:10:26,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:10:26,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:10:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:10:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 15:10:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:10:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:10:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:10:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 15:10:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 15:10:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 15:10:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 15:10:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 15:10:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 15:10:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 15:10:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 15:10:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:10:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 15:10:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:10:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:10:26,380 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 15:10:26,493 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:10:26,495 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:10:26,793 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:10:26,903 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:10:26,903 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:10:26,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:10:26 BoogieIcfgContainer [2022-12-13 15:10:26,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:10:26,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:10:26,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:10:26,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:10:26,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:10:25" (1/3) ... [2022-12-13 15:10:26,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593f7034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:10:26, skipping insertion in model container [2022-12-13 15:10:26,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:10:26" (2/3) ... [2022-12-13 15:10:26,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593f7034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:10:26, skipping insertion in model container [2022-12-13 15:10:26,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:10:26" (3/3) ... [2022-12-13 15:10:26,914 INFO L112 eAbstractionObserver]: Analyzing ICFG mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-12-13 15:10:26,922 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:10:26,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:10:26,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 15:10:26,930 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:10:26,985 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 15:10:27,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 145 transitions, 310 flow [2022-12-13 15:10:27,079 INFO L130 PetriNetUnfolder]: 2/141 cut-off events. [2022-12-13 15:10:27,079 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:10:27,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 2/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2022-12-13 15:10:27,085 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 145 transitions, 310 flow [2022-12-13 15:10:27,089 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 141 transitions, 294 flow [2022-12-13 15:10:27,093 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:10:27,103 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 141 transitions, 294 flow [2022-12-13 15:10:27,106 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 141 transitions, 294 flow [2022-12-13 15:10:27,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 141 transitions, 294 flow [2022-12-13 15:10:27,140 INFO L130 PetriNetUnfolder]: 2/141 cut-off events. [2022-12-13 15:10:27,140 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:10:27,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 2/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 97 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2022-12-13 15:10:27,144 INFO L119 LiptonReduction]: Number of co-enabled transitions 4420 [2022-12-13 15:10:29,868 INFO L134 LiptonReduction]: Checked pairs total: 15264 [2022-12-13 15:10:29,869 INFO L136 LiptonReduction]: Total number of compositions: 113 [2022-12-13 15:10:29,882 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:10:29,888 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;@41cb27c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:10:29,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-13 15:10:29,892 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-13 15:10:29,892 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:10:29,893 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:10:29,893 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 15:10:29,893 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 15:10:29,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:29,897 INFO L85 PathProgramCache]: Analyzing trace with hash 845302493, now seen corresponding path program 1 times [2022-12-13 15:10:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:29,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393703312] [2022-12-13 15:10:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:30,111 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 15:10:30,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:30,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393703312] [2022-12-13 15:10:30,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393703312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:30,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:30,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 15:10:30,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135914744] [2022-12-13 15:10:30,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:30,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:10:30,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:30,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:10:30,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:10:30,146 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 258 [2022-12-13 15:10:30,148 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 39 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 15:10:30,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:10:30,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 258 [2022-12-13 15:10:30,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:10:31,985 INFO L130 PetriNetUnfolder]: 14639/20325 cut-off events. [2022-12-13 15:10:31,985 INFO L131 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2022-12-13 15:10:32,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40929 conditions, 20325 events. 14639/20325 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 876. Compared 116171 event pairs, 5936 based on Foata normal form. 988/15146 useless extension candidates. Maximal degree in co-relation 40917. Up to 19206 conditions per place. [2022-12-13 15:10:32,072 INFO L137 encePairwiseOnDemand]: 243/258 looper letters, 51 selfloop transitions, 5 changer transitions 0/59 dead transitions. [2022-12-13 15:10:32,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 59 transitions, 251 flow [2022-12-13 15:10:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:10:32,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:10:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2022-12-13 15:10:32,082 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5439276485788114 [2022-12-13 15:10:32,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 421 transitions. [2022-12-13 15:10:32,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 421 transitions. [2022-12-13 15:10:32,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:10:32,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 421 transitions. [2022-12-13 15:10:32,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 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 15:10:32,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 258.0) internal successors, (1032), 4 states have internal predecessors, (1032), 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 15:10:32,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 258.0) internal successors, (1032), 4 states have internal predecessors, (1032), 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 15:10:32,097 INFO L175 Difference]: Start difference. First operand has 51 places, 39 transitions, 90 flow. Second operand 3 states and 421 transitions. [2022-12-13 15:10:32,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 59 transitions, 251 flow [2022-12-13 15:10:32,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 59 transitions, 244 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 15:10:32,110 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 133 flow [2022-12-13 15:10:32,112 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=258, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2022-12-13 15:10:32,116 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, -1 predicate places. [2022-12-13 15:10:32,116 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 133 flow [2022-12-13 15:10:32,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 15:10:32,117 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:10:32,117 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:32,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:10:32,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-12-13 15:10:32,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:32,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1722455544, now seen corresponding path program 1 times [2022-12-13 15:10:32,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:32,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457349457] [2022-12-13 15:10:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:32,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:32,207 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 15:10:32,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:32,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457349457] [2022-12-13 15:10:32,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457349457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:32,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:32,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:10:32,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763683525] [2022-12-13 15:10:32,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:32,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:10:32,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:32,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:10:32,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:10:32,222 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 258 [2022-12-13 15:10:32,223 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 133 flow. Second operand has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 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 15:10:32,223 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:10:32,223 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 258 [2022-12-13 15:10:32,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:10:33,321 INFO L130 PetriNetUnfolder]: 8775/12225 cut-off events. [2022-12-13 15:10:33,321 INFO L131 PetriNetUnfolder]: For 1057/1057 co-relation queries the response was YES. [2022-12-13 15:10:33,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29631 conditions, 12225 events. 8775/12225 cut-off events. For 1057/1057 co-relation queries the response was YES. Maximal size of possible extension queue 533. Compared 66310 event pairs, 2856 based on Foata normal form. 0/10365 useless extension candidates. Maximal degree in co-relation 29620. Up to 11105 conditions per place. [2022-12-13 15:10:33,359 INFO L137 encePairwiseOnDemand]: 249/258 looper letters, 47 selfloop transitions, 5 changer transitions 0/55 dead transitions. [2022-12-13 15:10:33,359 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 55 transitions, 261 flow [2022-12-13 15:10:33,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:10:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 15:10:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 528 transitions. [2022-12-13 15:10:33,361 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5116279069767442 [2022-12-13 15:10:33,361 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 528 transitions. [2022-12-13 15:10:33,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 528 transitions. [2022-12-13 15:10:33,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:10:33,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 528 transitions. [2022-12-13 15:10:33,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 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 15:10:33,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 258.0) internal successors, (1290), 5 states have internal predecessors, (1290), 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 15:10:33,365 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 258.0) internal successors, (1290), 5 states have internal predecessors, (1290), 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 15:10:33,365 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 133 flow. Second operand 4 states and 528 transitions. [2022-12-13 15:10:33,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 55 transitions, 261 flow [2022-12-13 15:10:33,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 55 transitions, 256 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:10:33,366 INFO L231 Difference]: Finished difference. Result has 48 places, 38 transitions, 122 flow [2022-12-13 15:10:33,367 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=258, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=122, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2022-12-13 15:10:33,367 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2022-12-13 15:10:33,367 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 122 flow [2022-12-13 15:10:33,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 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 15:10:33,368 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:10:33,368 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:33,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:10:33,368 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 15:10:33,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:33,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1722455543, now seen corresponding path program 1 times [2022-12-13 15:10:33,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:33,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838635321] [2022-12-13 15:10:33,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:33,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:33,430 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 15:10:33,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:33,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838635321] [2022-12-13 15:10:33,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838635321] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:33,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:33,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:10:33,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722082418] [2022-12-13 15:10:33,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:33,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:10:33,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:33,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:10:33,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:10:33,437 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 258 [2022-12-13 15:10:33,438 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 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 15:10:33,438 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:10:33,438 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 258 [2022-12-13 15:10:33,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:10:34,012 INFO L130 PetriNetUnfolder]: 3513/5129 cut-off events. [2022-12-13 15:10:34,013 INFO L131 PetriNetUnfolder]: For 1195/1195 co-relation queries the response was YES. [2022-12-13 15:10:34,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12386 conditions, 5129 events. 3513/5129 cut-off events. For 1195/1195 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 26417 event pairs, 1092 based on Foata normal form. 162/4923 useless extension candidates. Maximal degree in co-relation 12374. Up to 2624 conditions per place. [2022-12-13 15:10:34,031 INFO L137 encePairwiseOnDemand]: 248/258 looper letters, 62 selfloop transitions, 9 changer transitions 0/74 dead transitions. [2022-12-13 15:10:34,031 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 74 transitions, 354 flow [2022-12-13 15:10:34,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:10:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 15:10:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 548 transitions. [2022-12-13 15:10:34,034 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5310077519379846 [2022-12-13 15:10:34,035 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 548 transitions. [2022-12-13 15:10:34,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 548 transitions. [2022-12-13 15:10:34,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:10:34,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 548 transitions. [2022-12-13 15:10:34,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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 15:10:34,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 258.0) internal successors, (1290), 5 states have internal predecessors, (1290), 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 15:10:34,039 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 258.0) internal successors, (1290), 5 states have internal predecessors, (1290), 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 15:10:34,039 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 122 flow. Second operand 4 states and 548 transitions. [2022-12-13 15:10:34,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 74 transitions, 354 flow [2022-12-13 15:10:34,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 74 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:10:34,041 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 176 flow [2022-12-13 15:10:34,041 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=258, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2022-12-13 15:10:34,042 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, -1 predicate places. [2022-12-13 15:10:34,042 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 176 flow [2022-12-13 15:10:34,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.5) internal successors, (482), 4 states have internal predecessors, (482), 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 15:10:34,042 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:10:34,042 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 15:10:34,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:10:34,043 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 15:10:34,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:34,043 INFO L85 PathProgramCache]: Analyzing trace with hash -658793751, now seen corresponding path program 1 times [2022-12-13 15:10:34,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:34,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553099911] [2022-12-13 15:10:34,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:34,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:34,139 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 15:10:34,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:34,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553099911] [2022-12-13 15:10:34,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553099911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:34,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:34,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:10:34,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946598611] [2022-12-13 15:10:34,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:34,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:10:34,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:34,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:10:34,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:10:34,149 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 258 [2022-12-13 15:10:34,150 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 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 15:10:34,150 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:10:34,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 258 [2022-12-13 15:10:34,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:10:34,672 INFO L130 PetriNetUnfolder]: 2403/3437 cut-off events. [2022-12-13 15:10:34,672 INFO L131 PetriNetUnfolder]: For 2187/2187 co-relation queries the response was YES. [2022-12-13 15:10:34,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9512 conditions, 3437 events. 2403/3437 cut-off events. For 2187/2187 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 16544 event pairs, 778 based on Foata normal form. 72/3471 useless extension candidates. Maximal degree in co-relation 9499. Up to 1386 conditions per place. [2022-12-13 15:10:34,682 INFO L137 encePairwiseOnDemand]: 248/258 looper letters, 71 selfloop transitions, 13 changer transitions 4/91 dead transitions. [2022-12-13 15:10:34,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 91 transitions, 478 flow [2022-12-13 15:10:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:10:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 15:10:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 683 transitions. [2022-12-13 15:10:34,684 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5294573643410853 [2022-12-13 15:10:34,684 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 683 transitions. [2022-12-13 15:10:34,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 683 transitions. [2022-12-13 15:10:34,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:10:34,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 683 transitions. [2022-12-13 15:10:34,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.6) internal successors, (683), 5 states have internal predecessors, (683), 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 15:10:34,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 258.0) internal successors, (1548), 6 states have internal predecessors, (1548), 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 15:10:34,688 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 258.0) internal successors, (1548), 6 states have internal predecessors, (1548), 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 15:10:34,688 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 176 flow. Second operand 5 states and 683 transitions. [2022-12-13 15:10:34,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 91 transitions, 478 flow [2022-12-13 15:10:34,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 91 transitions, 460 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-13 15:10:34,692 INFO L231 Difference]: Finished difference. Result has 53 places, 42 transitions, 202 flow [2022-12-13 15:10:34,692 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=258, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=202, PETRI_PLACES=53, PETRI_TRANSITIONS=42} [2022-12-13 15:10:34,693 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2022-12-13 15:10:34,693 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 42 transitions, 202 flow [2022-12-13 15:10:34,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 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 15:10:34,693 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:10:34,693 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 15:10:34,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:10:34,693 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 15:10:34,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:34,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1443623307, now seen corresponding path program 1 times [2022-12-13 15:10:34,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:34,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635416541] [2022-12-13 15:10:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:34,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:34,800 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 15:10:34,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:34,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635416541] [2022-12-13 15:10:34,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635416541] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:34,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:34,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:10:34,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951079358] [2022-12-13 15:10:34,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:34,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:10:34,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:34,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:10:34,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:10:34,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 258 [2022-12-13 15:10:34,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 42 transitions, 202 flow. Second operand has 6 states, 6 states have (on average 121.66666666666667) internal successors, (730), 6 states have internal predecessors, (730), 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 15:10:34,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:10:34,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 258 [2022-12-13 15:10:34,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:10:35,199 INFO L130 PetriNetUnfolder]: 2320/3268 cut-off events. [2022-12-13 15:10:35,199 INFO L131 PetriNetUnfolder]: For 2569/2569 co-relation queries the response was YES. [2022-12-13 15:10:35,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9285 conditions, 3268 events. 2320/3268 cut-off events. For 2569/2569 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 15709 event pairs, 758 based on Foata normal form. 22/3276 useless extension candidates. Maximal degree in co-relation 9271. Up to 1386 conditions per place. [2022-12-13 15:10:35,205 INFO L137 encePairwiseOnDemand]: 248/258 looper letters, 0 selfloop transitions, 0 changer transitions 79/79 dead transitions. [2022-12-13 15:10:35,205 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 79 transitions, 410 flow [2022-12-13 15:10:35,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:10:35,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 15:10:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 789 transitions. [2022-12-13 15:10:35,206 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5096899224806202 [2022-12-13 15:10:35,206 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 789 transitions. [2022-12-13 15:10:35,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 789 transitions. [2022-12-13 15:10:35,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:10:35,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 789 transitions. [2022-12-13 15:10:35,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 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 15:10:35,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 258.0) internal successors, (1806), 7 states have internal predecessors, (1806), 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 15:10:35,210 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 258.0) internal successors, (1806), 7 states have internal predecessors, (1806), 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 15:10:35,210 INFO L175 Difference]: Start difference. First operand has 53 places, 42 transitions, 202 flow. Second operand 6 states and 789 transitions. [2022-12-13 15:10:35,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 79 transitions, 410 flow [2022-12-13 15:10:35,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 79 transitions, 355 flow, removed 8 selfloop flow, removed 6 redundant places. [2022-12-13 15:10:35,240 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2022-12-13 15:10:35,240 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=258, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2022-12-13 15:10:35,241 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, -7 predicate places. [2022-12-13 15:10:35,241 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2022-12-13 15:10:35,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.66666666666667) internal successors, (730), 6 states have internal predecessors, (730), 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 15:10:35,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-13 15:10:35,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-13 15:10:35,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-13 15:10:35,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-13 15:10:35,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-13 15:10:35,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-13 15:10:35,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-13 15:10:35,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-13 15:10:35,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-13 15:10:35,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-13 15:10:35,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:10:35,245 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 15:10:35,249 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:10:35,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:10:35,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:10:35 BasicIcfg [2022-12-13 15:10:35,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:10:35,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:10:35,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:10:35,252 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:10:35,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:10:26" (3/4) ... [2022-12-13 15:10:35,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:10:35,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 15:10:35,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 15:10:35,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-12-13 15:10:35,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-12-13 15:10:35,260 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-13 15:10:35,260 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 15:10:35,260 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:10:35,260 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:10:35,284 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:10:35,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:10:35,284 INFO L158 Benchmark]: Toolchain (without parser) took 9475.55ms. Allocated memory was 132.1MB in the beginning and 918.6MB in the end (delta: 786.4MB). Free memory was 99.6MB in the beginning and 459.0MB in the end (delta: -359.5MB). Peak memory consumption was 428.8MB. Max. memory is 16.1GB. [2022-12-13 15:10:35,285 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:10:35,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.73ms. Allocated memory is still 132.1MB. Free memory was 99.3MB in the beginning and 70.9MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 15:10:35,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.43ms. Allocated memory is still 132.1MB. Free memory was 70.9MB in the beginning and 68.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:10:35,285 INFO L158 Benchmark]: Boogie Preprocessor took 31.87ms. Allocated memory is still 132.1MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:10:35,285 INFO L158 Benchmark]: RCFGBuilder took 586.86ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 66.4MB in the beginning and 127.9MB in the end (delta: -61.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 15:10:35,286 INFO L158 Benchmark]: TraceAbstraction took 8343.05ms. Allocated memory was 180.4MB in the beginning and 918.6MB in the end (delta: 738.2MB). Free memory was 127.9MB in the beginning and 463.2MB in the end (delta: -335.4MB). Peak memory consumption was 401.5MB. Max. memory is 16.1GB. [2022-12-13 15:10:35,286 INFO L158 Benchmark]: Witness Printer took 32.45ms. Allocated memory is still 918.6MB. Free memory was 462.2MB in the beginning and 459.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:10:35,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.73ms. Allocated memory is still 132.1MB. Free memory was 99.3MB in the beginning and 70.9MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.43ms. Allocated memory is still 132.1MB. Free memory was 70.9MB in the beginning and 68.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.87ms. Allocated memory is still 132.1MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.86ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 66.4MB in the beginning and 127.9MB in the end (delta: -61.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8343.05ms. Allocated memory was 180.4MB in the beginning and 918.6MB in the end (delta: 738.2MB). Free memory was 127.9MB in the beginning and 463.2MB in the end (delta: -335.4MB). Peak memory consumption was 401.5MB. Max. memory is 16.1GB. * Witness Printer took 32.45ms. Allocated memory is still 918.6MB. Free memory was 462.2MB in the beginning and 459.0MB 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: 2.8s, 152 PlacesBefore, 51 PlacesAfterwards, 141 TransitionsBefore, 39 TransitionsAfterwards, 4420 CoEnabledTransitionPairs, 6 FixpointIterations, 46 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 113 TotalNumberOfCompositions, 15264 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4518, independent: 4185, independent conditional: 0, independent unconditional: 4185, dependent: 333, dependent conditional: 0, dependent unconditional: 333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2259, independent: 2198, independent conditional: 0, independent unconditional: 2198, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4518, independent: 1987, independent conditional: 0, independent unconditional: 1987, dependent: 272, dependent conditional: 0, dependent unconditional: 272, unknown: 2259, unknown conditional: 0, unknown unconditional: 2259] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 199, Positive conditional cache size: 0, Positive unconditional cache size: 199, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 775]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: 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, 190 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: 8.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 471 IncrementalHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 19 mSDtfsCounter, 471 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 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 15:10:35,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11fff339-e07f-46ee-9a5d-4ef562c5af0d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE