./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed015c7abb1e633204d95cacfb8444fc40c913627602030095cae55094cd4434 --- 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-6b4ec56 [2022-11-20 21:00:47,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:00:47,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:00:47,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:00:47,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:00:47,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:00:47,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:00:47,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:00:47,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:00:47,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:00:47,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:00:47,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:00:47,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:00:47,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:00:47,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:00:47,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:00:47,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:00:47,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:00:48,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:00:48,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:00:48,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:00:48,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:00:48,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:00:48,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:00:48,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:00:48,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:00:48,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:00:48,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:00:48,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:00:48,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:00:48,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:00:48,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:00:48,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:00:48,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:00:48,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:00:48,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:00:48,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:00:48,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:00:48,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:00:48,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:00:48,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:00:48,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 21:00:48,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:00:48,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:00:48,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:00:48,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:00:48,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:00:48,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:00:48,101 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:00:48,101 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:00:48,101 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:00:48,101 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:00:48,102 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:00:48,102 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:00:48,103 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:00:48,103 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:00:48,103 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:00:48,104 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:00:48,104 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:00:48,104 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:00:48,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:00:48,105 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:00:48,105 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:00:48,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:00:48,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:00:48,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:00:48,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:00:48,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:00:48,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:00:48,106 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 21:00:48,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:00:48,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:00:48,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:00:48,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:00:48,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:00:48,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:00:48,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:00:48,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:00:48,108 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:00:48,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:00:48,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:00:48,109 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:00:48,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:00:48,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:00:48,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:00:48,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed015c7abb1e633204d95cacfb8444fc40c913627602030095cae55094cd4434 [2022-11-20 21:00:48,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:00:48,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:00:48,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:00:48,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:00:48,464 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:00:48,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i [2022-11-20 21:00:51,573 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:00:51,832 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:00:51,833 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/sv-benchmarks/c/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i [2022-11-20 21:00:51,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/data/ab825708a/deb5c169c9794a38bbad3472928fc21e/FLAGc6caab2c6 [2022-11-20 21:00:51,862 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/data/ab825708a/deb5c169c9794a38bbad3472928fc21e [2022-11-20 21:00:51,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:00:51,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:00:51,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:00:51,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:00:51,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:00:51,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:00:51" (1/1) ... [2022-11-20 21:00:51,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab6f481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:51, skipping insertion in model container [2022-11-20 21:00:51,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:00:51" (1/1) ... [2022-11-20 21:00:51,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:00:51,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:00:52,130 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_3096b183-6af9-4595-9337-68a3ef1707fd/sv-benchmarks/c/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i[966,979] [2022-11-20 21:00:52,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:00:52,441 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:00:52,456 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_3096b183-6af9-4595-9337-68a3ef1707fd/sv-benchmarks/c/pthread-wmm/rfi000_power.opt_pso.opt_rmo.opt.i[966,979] [2022-11-20 21:00:52,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:00:52,586 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:00:52,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52 WrapperNode [2022-11-20 21:00:52,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:00:52,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:00:52,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:00:52,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:00:52,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,679 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 136 [2022-11-20 21:00:52,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:00:52,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:00:52,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:00:52,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:00:52,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,734 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:00:52,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:00:52,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:00:52,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:00:52,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (1/1) ... [2022-11-20 21:00:52,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:00:52,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:00:52,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:00:52,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:00:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:00:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 21:00:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:00:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:00:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:00:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 21:00:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 21:00:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 21:00:52,842 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 21:00:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:00:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 21:00:52,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:00:52,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:00:52,844 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 21:00:53,009 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:00:53,011 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:00:53,390 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:00:53,525 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:00:53,525 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:00:53,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:00:53 BoogieIcfgContainer [2022-11-20 21:00:53,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:00:53,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:00:53,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:00:53,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:00:53,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:00:51" (1/3) ... [2022-11-20 21:00:53,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f117b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:00:53, skipping insertion in model container [2022-11-20 21:00:53,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:00:52" (2/3) ... [2022-11-20 21:00:53,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f117b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:00:53, skipping insertion in model container [2022-11-20 21:00:53,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:00:53" (3/3) ... [2022-11-20 21:00:53,537 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_power.opt_pso.opt_rmo.opt.i [2022-11-20 21:00:53,546 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 21:00:53,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:00:53,558 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 21:00:53,558 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 21:00:53,641 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 21:00:53,677 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 21:00:53,701 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 99 transitions, 208 flow [2022-11-20 21:00:53,704 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 99 transitions, 208 flow [2022-11-20 21:00:53,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 99 transitions, 208 flow [2022-11-20 21:00:53,760 INFO L130 PetriNetUnfolder]: 2/97 cut-off events. [2022-11-20 21:00:53,761 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 21:00:53,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-11-20 21:00:53,776 INFO L119 LiptonReduction]: Number of co-enabled transitions 1524 [2022-11-20 21:00:59,412 INFO L134 LiptonReduction]: Checked pairs total: 5378 [2022-11-20 21:00:59,413 INFO L136 LiptonReduction]: Total number of compositions: 89 [2022-11-20 21:00:59,421 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 24 transitions, 58 flow [2022-11-20 21:00:59,463 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 264 states, 256 states have (on average 2.765625) internal successors, (708), 263 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:00:59,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:00:59,509 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57a76691, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:00:59,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-20 21:00:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 264 states, 256 states have (on average 2.765625) internal successors, (708), 263 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:00:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 21:00:59,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:00:59,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 21:00:59,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-20 21:00:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:00:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash 426729523, now seen corresponding path program 1 times [2022-11-20 21:00:59,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:00:59,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285354494] [2022-11-20 21:00:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:00:59,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:00:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:00:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:00:59,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:00:59,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285354494] [2022-11-20 21:00:59,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285354494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:00:59,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:00:59,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 21:00:59,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094184206] [2022-11-20 21:00:59,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:00:59,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:00:59,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:00:59,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:00:59,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:00:59,966 INFO L87 Difference]: Start difference. First operand has 264 states, 256 states have (on average 2.765625) internal successors, (708), 263 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:01:00,073 INFO L93 Difference]: Finished difference Result 92 states and 158 transitions. [2022-11-20 21:01:00,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:01:00,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 21:01:00,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:01:00,083 INFO L225 Difference]: With dead ends: 92 [2022-11-20 21:01:00,083 INFO L226 Difference]: Without dead ends: 92 [2022-11-20 21:01:00,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:01:00,088 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:01:00,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 10 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:01:00,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-20 21:01:00,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-20 21:01:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.7954545454545454) internal successors, (158), 91 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 158 transitions. [2022-11-20 21:01:00,129 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 158 transitions. Word has length 5 [2022-11-20 21:01:00,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:01:00,129 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 158 transitions. [2022-11-20 21:01:00,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 158 transitions. [2022-11-20 21:01:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 21:01:00,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:01:00,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:01:00,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:01:00,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-20 21:01:00,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:01:00,132 INFO L85 PathProgramCache]: Analyzing trace with hash 610350509, now seen corresponding path program 1 times [2022-11-20 21:01:00,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:01:00,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56256900] [2022-11-20 21:01:00,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:01:00,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:01:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:01:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:01:00,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:01:00,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56256900] [2022-11-20 21:01:00,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56256900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:01:00,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:01:00,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:01:00,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228461038] [2022-11-20 21:01:00,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:01:00,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:01:00,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:01:00,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:01:00,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:01:00,285 INFO L87 Difference]: Start difference. First operand 92 states and 158 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:01:00,349 INFO L93 Difference]: Finished difference Result 84 states and 144 transitions. [2022-11-20 21:01:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:01:00,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-20 21:01:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:01:00,351 INFO L225 Difference]: With dead ends: 84 [2022-11-20 21:01:00,351 INFO L226 Difference]: Without dead ends: 84 [2022-11-20 21:01:00,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:01:00,353 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 16 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:01:00,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 16 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:01:00,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-20 21:01:00,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-20 21:01:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 82 states have (on average 1.7560975609756098) internal successors, (144), 83 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 144 transitions. [2022-11-20 21:01:00,364 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 144 transitions. Word has length 13 [2022-11-20 21:01:00,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:01:00,365 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 144 transitions. [2022-11-20 21:01:00,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 144 transitions. [2022-11-20 21:01:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 21:01:00,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:01:00,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:01:00,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:01:00,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-20 21:01:00,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:01:00,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1740995461, now seen corresponding path program 1 times [2022-11-20 21:01:00,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:01:00,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299250980] [2022-11-20 21:01:00,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:01:00,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:01:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:01:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:01:00,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:01:00,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299250980] [2022-11-20 21:01:00,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299250980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:01:00,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:01:00,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:01:00,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305456915] [2022-11-20 21:01:00,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:01:00,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:01:00,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:01:00,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:01:00,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:01:00,513 INFO L87 Difference]: Start difference. First operand 84 states and 144 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:01:00,564 INFO L93 Difference]: Finished difference Result 46 states and 76 transitions. [2022-11-20 21:01:00,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:01:00,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-20 21:01:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:01:00,565 INFO L225 Difference]: With dead ends: 46 [2022-11-20 21:01:00,565 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 21:01:00,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:01:00,567 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:01:00,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 8 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:01:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 21:01:00,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 21:01:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 21:01:00,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-20 21:01:00,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:01:00,569 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 21:01:00,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:01:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 21:01:00,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 21:01:00,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-20 21:01:00,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-20 21:01:00,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-20 21:01:00,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-20 21:01:00,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-11-20 21:01:00,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-11-20 21:01:00,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-20 21:01:00,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-20 21:01:00,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-20 21:01:00,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-20 21:01:00,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:01:00,578 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 21:01:00,583 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 21:01:00,583 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:01:00,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:01:00 BasicIcfg [2022-11-20 21:01:00,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:01:00,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:01:00,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:01:00,587 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:01:00,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:00:53" (3/4) ... [2022-11-20 21:01:00,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 21:01:00,597 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-20 21:01:00,597 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-20 21:01:00,608 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-20 21:01:00,608 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 21:01:00,609 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 21:01:00,609 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 21:01:00,650 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 21:01:00,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:01:00,651 INFO L158 Benchmark]: Toolchain (without parser) took 8785.06ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 70.9MB in the beginning and 75.7MB in the end (delta: -4.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-11-20 21:01:00,651 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 138.4MB. Free memory was 112.1MB in the beginning and 111.9MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:01:00,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.19ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 70.7MB in the beginning and 121.6MB in the end (delta: -50.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-20 21:01:00,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.28ms. Allocated memory is still 169.9MB. Free memory was 121.6MB in the beginning and 118.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 21:01:00,653 INFO L158 Benchmark]: Boogie Preprocessor took 66.54ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:01:00,653 INFO L158 Benchmark]: RCFGBuilder took 779.99ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 114.2MB in the end (delta: 2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 21:01:00,653 INFO L158 Benchmark]: TraceAbstraction took 7056.44ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 113.3MB in the beginning and 78.9MB in the end (delta: 34.5MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2022-11-20 21:01:00,654 INFO L158 Benchmark]: Witness Printer took 63.10ms. Allocated memory is still 205.5MB. Free memory was 78.9MB in the beginning and 75.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 21:01:00,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 138.4MB. Free memory was 112.1MB in the beginning and 111.9MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.19ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 70.7MB in the beginning and 121.6MB in the end (delta: -50.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.28ms. Allocated memory is still 169.9MB. Free memory was 121.6MB in the beginning and 118.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.54ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.99ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 114.2MB in the end (delta: 2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7056.44ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 113.3MB in the beginning and 78.9MB in the end (delta: 34.5MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Witness Printer took 63.10ms. Allocated memory is still 205.5MB. Free memory was 78.9MB in the beginning and 75.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.7s, 104 PlacesBefore, 30 PlacesAfterwards, 99 TransitionsBefore, 24 TransitionsAfterwards, 1524 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 1 ChoiceCompositions, 89 TotalNumberOfCompositions, 5378 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2573, independent: 2353, independent conditional: 0, independent unconditional: 2353, dependent: 220, dependent conditional: 0, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1159, independent: 1093, independent conditional: 0, independent unconditional: 1093, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1159, independent: 1057, independent conditional: 0, independent unconditional: 1057, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 102, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 738, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 663, dependent conditional: 0, dependent unconditional: 663, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2573, independent: 1260, independent conditional: 0, independent unconditional: 1260, dependent: 154, dependent conditional: 0, dependent unconditional: 154, unknown: 1159, unknown conditional: 0, unknown unconditional: 1159] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 116, Positive conditional cache size: 0, Positive unconditional cache size: 116, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 751]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 122 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 18 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 21:01:00,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3096b183-6af9-4595-9337-68a3ef1707fd/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE