./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS --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 a75df8feda97f2ebeb5cc4266066f8deba1b6726a771b6143f22a640cfcf63d2 --- 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-8393723 [2022-11-19 07:08:21,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:08:21,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:08:21,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:08:21,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:08:21,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:08:21,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:08:21,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:08:21,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:08:21,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:08:21,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:08:21,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:08:21,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:08:21,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:08:21,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:08:21,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:08:21,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:08:21,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:08:21,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:08:21,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:08:21,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:08:21,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:08:21,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:08:21,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:08:21,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:08:21,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:08:21,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:08:21,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:08:21,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:08:21,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:08:21,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:08:21,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:08:21,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:08:21,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:08:21,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:08:21,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:08:21,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:08:21,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:08:21,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:08:21,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:08:21,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:08:21,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:08:21,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:08:21,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:08:21,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:08:21,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:08:21,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:08:21,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:08:21,872 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:08:21,872 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:08:21,872 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:08:21,873 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:08:21,873 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:08:21,873 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:08:21,873 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:08:21,874 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:08:21,874 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:08:21,874 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:08:21,874 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:08:21,875 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:08:21,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:08:21,876 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:08:21,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:08:21,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:08:21,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:08:21,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:08:21,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:08:21,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:08:21,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:08:21,878 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:08:21,878 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:08:21,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:08:21,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:08:21,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:08:21,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:08:21,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:08:21,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:08:21,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:08:21,880 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:08:21,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:08:21,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:08:21,881 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:08:21,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:08:21,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:08:21,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:08:21,882 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_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a75df8feda97f2ebeb5cc4266066f8deba1b6726a771b6143f22a640cfcf63d2 [2022-11-19 07:08:22,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:08:22,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:08:22,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:08:22,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:08:22,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:08:22,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i [2022-11-19 07:08:22,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/data/b9c51f8f2/9a3d3a3653ae422eb197b17fd918e2b4/FLAG22510f0c9 [2022-11-19 07:08:22,904 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:08:22,904 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i [2022-11-19 07:08:22,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/data/b9c51f8f2/9a3d3a3653ae422eb197b17fd918e2b4/FLAG22510f0c9 [2022-11-19 07:08:23,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/data/b9c51f8f2/9a3d3a3653ae422eb197b17fd918e2b4 [2022-11-19 07:08:23,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:08:23,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:08:23,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:08:23,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:08:23,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:08:23,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:23,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad403d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23, skipping insertion in model container [2022-11-19 07:08:23,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:23,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:08:23,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:08:23,486 WARN L234 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_3ba916d8-1558-44da-8764-3b13f1e97a2a/sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-19 07:08:23,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:08:23,803 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:08:23,823 WARN L234 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_3ba916d8-1558-44da-8764-3b13f1e97a2a/sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-19 07:08:23,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:08:23,972 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:08:23,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23 WrapperNode [2022-11-19 07:08:23,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:08:23,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:08:23,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:08:23,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:08:23,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,065 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 148 [2022-11-19 07:08:24,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:08:24,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:08:24,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:08:24,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:08:24,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:08:24,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:08:24,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:08:24,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:08:24,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (1/1) ... [2022-11-19 07:08:24,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:08:24,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:08:24,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:08:24,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:08:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:08:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:08:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:08:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:08:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:08:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 07:08:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 07:08:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 07:08:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 07:08:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 07:08:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 07:08:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-19 07:08:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-19 07:08:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:08:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:08:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:08:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:08:24,265 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:08:24,469 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:08:24,472 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:08:24,911 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:08:25,102 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:08:25,102 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:08:25,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:08:25 BoogieIcfgContainer [2022-11-19 07:08:25,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:08:25,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:08:25,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:08:25,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:08:25,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:08:23" (1/3) ... [2022-11-19 07:08:25,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49aa4a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:08:25, skipping insertion in model container [2022-11-19 07:08:25,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:08:23" (2/3) ... [2022-11-19 07:08:25,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49aa4a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:08:25, skipping insertion in model container [2022-11-19 07:08:25,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:08:25" (3/3) ... [2022-11-19 07:08:25,115 INFO L112 eAbstractionObserver]: Analyzing ICFG mix014_power.oepc_pso.oepc_rmo.oepc.i [2022-11-19 07:08:25,124 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:08:25,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:08:25,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 07:08:25,135 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:08:25,201 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:08:25,237 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:08:25,252 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 146 transitions, 312 flow [2022-11-19 07:08:25,255 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 146 transitions, 312 flow [2022-11-19 07:08:25,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 146 transitions, 312 flow [2022-11-19 07:08:25,320 INFO L130 PetriNetUnfolder]: 2/142 cut-off events. [2022-11-19 07:08:25,321 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:08:25,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 142 events. 2/142 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 99 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2022-11-19 07:08:25,332 INFO L119 LiptonReduction]: Number of co-enabled transitions 4450 [2022-11-19 07:08:32,027 INFO L134 LiptonReduction]: Checked pairs total: 16384 [2022-11-19 07:08:32,027 INFO L136 LiptonReduction]: Total number of compositions: 119 [2022-11-19 07:08:32,036 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 42 transitions, 104 flow [2022-11-19 07:08:32,688 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13452 states, 13372 states have (on average 4.421776847143285) internal successors, (59128), 13451 states have internal predecessors, (59128), 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) [2022-11-19 07:08:32,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:08:32,727 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@2a784594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:08:32,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-19 07:08:32,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 13452 states, 13372 states have (on average 4.421776847143285) internal successors, (59128), 13451 states have internal predecessors, (59128), 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) [2022-11-19 07:08:32,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:08:32,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:32,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:08:32,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-19 07:08:32,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:32,847 INFO L85 PathProgramCache]: Analyzing trace with hash 589840082, now seen corresponding path program 1 times [2022-11-19 07:08:32,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:08:32,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920348835] [2022-11-19 07:08:32,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:08:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:08:33,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:08:33,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920348835] [2022-11-19 07:08:33,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920348835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:33,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:33,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:08:33,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730453392] [2022-11-19 07:08:33,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:33,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:08:33,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:08:33,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:08:33,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:08:33,369 INFO L87 Difference]: Start difference. First operand has 13452 states, 13372 states have (on average 4.421776847143285) internal successors, (59128), 13451 states have internal predecessors, (59128), 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) [2022-11-19 07:08:33,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:33,679 INFO L93 Difference]: Finished difference Result 7604 states and 28561 transitions. [2022-11-19 07:08:33,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:08:33,683 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 [2022-11-19 07:08:33,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:33,828 INFO L225 Difference]: With dead ends: 7604 [2022-11-19 07:08:33,828 INFO L226 Difference]: Without dead ends: 7604 [2022-11-19 07:08:33,830 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 [2022-11-19 07:08:33,833 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 21 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:33,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 14 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:08:33,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7604 states. [2022-11-19 07:08:34,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7604 to 7604. [2022-11-19 07:08:34,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7604 states, 7540 states have (on average 3.787931034482759) internal successors, (28561), 7603 states have internal predecessors, (28561), 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) [2022-11-19 07:08:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7604 states to 7604 states and 28561 transitions. [2022-11-19 07:08:34,344 INFO L78 Accepts]: Start accepts. Automaton has 7604 states and 28561 transitions. Word has length 5 [2022-11-19 07:08:34,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:34,345 INFO L495 AbstractCegarLoop]: Abstraction has 7604 states and 28561 transitions. [2022-11-19 07:08:34,346 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) [2022-11-19 07:08:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 7604 states and 28561 transitions. [2022-11-19 07:08:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:08:34,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:34,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:34,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:08:34,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-19 07:08:34,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:34,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1309706098, now seen corresponding path program 1 times [2022-11-19 07:08:34,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:08:34,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491556073] [2022-11-19 07:08:34,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:34,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:08:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:08:34,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:08:34,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491556073] [2022-11-19 07:08:34,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491556073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:34,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:34,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:08:34,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578790] [2022-11-19 07:08:34,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:34,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:08:34,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:08:34,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:08:34,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:08:34,648 INFO L87 Difference]: Start difference. First operand 7604 states and 28561 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-19 07:08:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:34,956 INFO L93 Difference]: Finished difference Result 5492 states and 21031 transitions. [2022-11-19 07:08:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:08:34,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-11-19 07:08:34,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:35,016 INFO L225 Difference]: With dead ends: 5492 [2022-11-19 07:08:35,016 INFO L226 Difference]: Without dead ends: 5492 [2022-11-19 07:08:35,017 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 [2022-11-19 07:08:35,018 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 42 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:35,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 20 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:08:35,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2022-11-19 07:08:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5492. [2022-11-19 07:08:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5478 states have (on average 3.8391748813435562) internal successors, (21031), 5491 states have internal predecessors, (21031), 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) [2022-11-19 07:08:35,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 21031 transitions. [2022-11-19 07:08:35,341 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 21031 transitions. Word has length 12 [2022-11-19 07:08:35,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:35,342 INFO L495 AbstractCegarLoop]: Abstraction has 5492 states and 21031 transitions. [2022-11-19 07:08:35,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-19 07:08:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 21031 transitions. [2022-11-19 07:08:35,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:08:35,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:35,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:35,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:08:35,350 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-19 07:08:35,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:35,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1946185360, now seen corresponding path program 1 times [2022-11-19 07:08:35,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:08:35,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128002395] [2022-11-19 07:08:35,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:35,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:08:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:08:35,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:08:35,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128002395] [2022-11-19 07:08:35,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128002395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:35,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:35,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:08:35,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608853819] [2022-11-19 07:08:35,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:35,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:08:35,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:08:35,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:08:35,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:08:35,486 INFO L87 Difference]: Start difference. First operand 5492 states and 21031 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) [2022-11-19 07:08:35,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:35,714 INFO L93 Difference]: Finished difference Result 4230 states and 16349 transitions. [2022-11-19 07:08:35,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:08:35,715 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 [2022-11-19 07:08:35,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:35,744 INFO L225 Difference]: With dead ends: 4230 [2022-11-19 07:08:35,745 INFO L226 Difference]: Without dead ends: 4230 [2022-11-19 07:08:35,746 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 [2022-11-19 07:08:35,750 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 46 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:35,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 19 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:08:35,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4230 states. [2022-11-19 07:08:35,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4230 to 4230. [2022-11-19 07:08:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4230 states, 4220 states have (on average 3.874170616113744) internal successors, (16349), 4229 states have internal predecessors, (16349), 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) [2022-11-19 07:08:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 4230 states and 16349 transitions. [2022-11-19 07:08:35,975 INFO L78 Accepts]: Start accepts. Automaton has 4230 states and 16349 transitions. Word has length 13 [2022-11-19 07:08:35,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:35,975 INFO L495 AbstractCegarLoop]: Abstraction has 4230 states and 16349 transitions. [2022-11-19 07:08:35,975 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) [2022-11-19 07:08:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4230 states and 16349 transitions. [2022-11-19 07:08:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 07:08:36,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:36,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:36,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:08:36,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-19 07:08:36,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:36,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1747468294, now seen corresponding path program 1 times [2022-11-19 07:08:36,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:08:36,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474469698] [2022-11-19 07:08:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:36,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:08:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:08:36,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:08:36,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474469698] [2022-11-19 07:08:36,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474469698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:36,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:36,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:08:36,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436577292] [2022-11-19 07:08:36,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:36,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:08:36,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:08:36,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:08:36,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:08:36,330 INFO L87 Difference]: Start difference. First operand 4230 states and 16349 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-11-19 07:08:36,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:36,569 INFO L93 Difference]: Finished difference Result 3984 states and 15677 transitions. [2022-11-19 07:08:36,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:08:36,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2022-11-19 07:08:36,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:36,589 INFO L225 Difference]: With dead ends: 3984 [2022-11-19 07:08:36,590 INFO L226 Difference]: Without dead ends: 3984 [2022-11-19 07:08:36,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:08:36,593 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 67 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:36,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 24 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:08:36,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2022-11-19 07:08:36,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3984. [2022-11-19 07:08:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3984 states, 3980 states have (on average 3.9389447236180906) internal successors, (15677), 3983 states have internal predecessors, (15677), 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) [2022-11-19 07:08:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3984 states and 15677 transitions. [2022-11-19 07:08:36,851 INFO L78 Accepts]: Start accepts. Automaton has 3984 states and 15677 transitions. Word has length 19 [2022-11-19 07:08:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:36,852 INFO L495 AbstractCegarLoop]: Abstraction has 3984 states and 15677 transitions. [2022-11-19 07:08:36,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-11-19 07:08:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 15677 transitions. [2022-11-19 07:08:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-19 07:08:36,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:36,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:36,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:08:36,872 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-19 07:08:36,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:36,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1437734114, now seen corresponding path program 1 times [2022-11-19 07:08:36,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:08:36,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64968578] [2022-11-19 07:08:36,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:36,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:08:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:08:37,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:08:37,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64968578] [2022-11-19 07:08:37,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64968578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:37,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:37,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:08:37,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442257297] [2022-11-19 07:08:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:37,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:08:37,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:08:37,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:08:37,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:08:37,102 INFO L87 Difference]: Start difference. First operand 3984 states and 15677 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-19 07:08:37,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:37,318 INFO L93 Difference]: Finished difference Result 3968 states and 15649 transitions. [2022-11-19 07:08:37,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:08:37,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2022-11-19 07:08:37,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:37,319 INFO L225 Difference]: With dead ends: 3968 [2022-11-19 07:08:37,319 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:08:37,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:08:37,320 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 175 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:37,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 20 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:08:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:08:37,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:08:37,321 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) [2022-11-19 07:08:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:08:37,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-11-19 07:08:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:37,322 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:08:37,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-19 07:08:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:08:37,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:08:37,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-19 07:08:37,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-19 07:08:37,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-19 07:08:37,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-19 07:08:37,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-19 07:08:37,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-19 07:08:37,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-19 07:08:37,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-19 07:08:37,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-19 07:08:37,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-19 07:08:37,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-19 07:08:37,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-19 07:08:37,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-19 07:08:37,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-19 07:08:37,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-19 07:08:37,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-19 07:08:37,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-19 07:08:37,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-19 07:08:37,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-19 07:08:37,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-19 07:08:37,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:08:37,332 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 07:08:37,337 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 07:08:37,337 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:08:37,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:08:37 BasicIcfg [2022-11-19 07:08:37,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:08:37,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:08:37,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:08:37,341 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:08:37,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:08:25" (3/4) ... [2022-11-19 07:08:37,344 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:08:37,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-19 07:08:37,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-19 07:08:37,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-19 07:08:37,350 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-19 07:08:37,357 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-19 07:08:37,358 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:08:37,358 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:08:37,358 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:08:37,399 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:08:37,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:08:37,400 INFO L158 Benchmark]: Toolchain (without parser) took 14229.11ms. Allocated memory was 136.3MB in the beginning and 501.2MB in the end (delta: 364.9MB). Free memory was 104.7MB in the beginning and 199.5MB in the end (delta: -94.8MB). Peak memory consumption was 270.3MB. Max. memory is 16.1GB. [2022-11-19 07:08:37,400 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:08:37,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.87ms. Allocated memory is still 136.3MB. Free memory was 104.4MB in the beginning and 100.4MB in the end (delta: 4.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:08:37,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.96ms. Allocated memory is still 136.3MB. Free memory was 100.4MB in the beginning and 98.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:08:37,401 INFO L158 Benchmark]: Boogie Preprocessor took 70.87ms. Allocated memory is still 136.3MB. Free memory was 98.2MB in the beginning and 96.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:08:37,401 INFO L158 Benchmark]: RCFGBuilder took 959.70ms. Allocated memory is still 136.3MB. Free memory was 96.0MB in the beginning and 95.6MB in the end (delta: 321.6kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-19 07:08:37,402 INFO L158 Benchmark]: TraceAbstraction took 12233.20ms. Allocated memory was 136.3MB in the beginning and 501.2MB in the end (delta: 364.9MB). Free memory was 94.6MB in the beginning and 202.7MB in the end (delta: -108.1MB). Peak memory consumption was 256.8MB. Max. memory is 16.1GB. [2022-11-19 07:08:37,402 INFO L158 Benchmark]: Witness Printer took 58.59ms. Allocated memory is still 501.2MB. Free memory was 202.7MB in the beginning and 199.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:08:37,404 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.87ms. Allocated memory is still 136.3MB. Free memory was 104.4MB in the beginning and 100.4MB in the end (delta: 4.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.96ms. Allocated memory is still 136.3MB. Free memory was 100.4MB in the beginning and 98.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.87ms. Allocated memory is still 136.3MB. Free memory was 98.2MB in the beginning and 96.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 959.70ms. Allocated memory is still 136.3MB. Free memory was 96.0MB in the beginning and 95.6MB in the end (delta: 321.6kB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12233.20ms. Allocated memory was 136.3MB in the beginning and 501.2MB in the end (delta: 364.9MB). Free memory was 94.6MB in the beginning and 202.7MB in the end (delta: -108.1MB). Peak memory consumption was 256.8MB. Max. memory is 16.1GB. * Witness Printer took 58.59ms. Allocated memory is still 501.2MB. Free memory was 202.7MB in the beginning and 199.5MB 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: 6.8s, 157 PlacesBefore, 54 PlacesAfterwards, 146 TransitionsBefore, 42 TransitionsAfterwards, 4450 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 1 ChoiceCompositions, 119 TotalNumberOfCompositions, 16384 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6336, independent: 5966, independent conditional: 0, independent unconditional: 5966, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3109, independent: 3030, independent conditional: 0, independent unconditional: 3030, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3109, independent: 2948, independent conditional: 0, independent unconditional: 2948, dependent: 161, dependent conditional: 0, dependent unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 161, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 689, independent: 160, independent conditional: 0, independent unconditional: 160, dependent: 529, dependent conditional: 0, dependent unconditional: 529, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6336, independent: 2936, independent conditional: 0, independent unconditional: 2936, dependent: 291, dependent conditional: 0, dependent unconditional: 291, unknown: 3109, unknown conditional: 0, unknown unconditional: 3109] , Statistics on independence cache: Total cache size (in pairs): 374, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, 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: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: 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, 191 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 351 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 351 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 412 IncrementalHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 42 mSDtfsCounter, 412 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=13452occurred in iteration=0, 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: 1.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 07:08:37,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ba916d8-1558-44da-8764-3b13f1e97a2a/bin/utaipan-I9t0OCRTmS/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