./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.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_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/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_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/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_15cfd109-3d49-4d58-950c-4d321ffeffc3/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 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 --- 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 07:39:59,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:39:59,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:39:59,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:39:59,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:39:59,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:39:59,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:39:59,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:39:59,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:39:59,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:39:59,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:39:59,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:39:59,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:39:59,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:39:59,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:39:59,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:39:59,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:39:59,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:39:59,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:39:59,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:39:59,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:39:59,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:39:59,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:39:59,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:39:59,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:39:59,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:39:59,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:39:59,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:39:59,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:39:59,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:39:59,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:39:59,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:39:59,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:39:59,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:39:59,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:39:59,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:39:59,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:39:59,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:39:59,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:39:59,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:39:59,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:39:59,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:39:59,833 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:39:59,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:39:59,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:39:59,834 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:39:59,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:39:59,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:39:59,835 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:39:59,836 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:39:59,836 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:39:59,836 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:39:59,836 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:39:59,837 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:39:59,837 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:39:59,837 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:39:59,838 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:39:59,838 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:39:59,838 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:39:59,838 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:39:59,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:39:59,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:39:59,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:39:59,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:39:59,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:39:59,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:39:59,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:39:59,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:39:59,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:39:59,842 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:39:59,842 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:39:59,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:39:59,842 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:39:59,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:39:59,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:39:59,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:39:59,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:39:59,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:39:59,844 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:39:59,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:39:59,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:39:59,845 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:39:59,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:39:59,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:39:59,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:39:59,846 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_15cfd109-3d49-4d58-950c-4d321ffeffc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 [2022-11-19 07:40:00,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:40:00,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:40:00,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:40:00,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:40:00,115 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:40:00,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-19 07:40:00,192 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/data/371b0bf9f/74f7a302a64446b087732bd6a8dfcac8/FLAGc0bd15a97 [2022-11-19 07:40:00,829 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:40:00,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-19 07:40:00,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/data/371b0bf9f/74f7a302a64446b087732bd6a8dfcac8/FLAGc0bd15a97 [2022-11-19 07:40:01,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/data/371b0bf9f/74f7a302a64446b087732bd6a8dfcac8 [2022-11-19 07:40:01,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:40:01,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:40:01,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:40:01,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:40:01,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:40:01,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a049a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01, skipping insertion in model container [2022-11-19 07:40:01,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:40:01,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:40:01,432 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_15cfd109-3d49-4d58-950c-4d321ffeffc3/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2022-11-19 07:40:01,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:40:01,634 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:40:01,654 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_15cfd109-3d49-4d58-950c-4d321ffeffc3/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2022-11-19 07:40:01,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:40:01,786 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:40:01,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01 WrapperNode [2022-11-19 07:40:01,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:40:01,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:40:01,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:40:01,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:40:01,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,865 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 139 [2022-11-19 07:40:01,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:40:01,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:40:01,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:40:01,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:40:01,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:40:01,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:40:01,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:40:01,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:40:01,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (1/1) ... [2022-11-19 07:40:01,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:40:01,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:40:01,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:40:01,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:40:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:40:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:40:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:40:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:40:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:40:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 07:40:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 07:40:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 07:40:01,996 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 07:40:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 07:40:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 07:40:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:40:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:40:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:40:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:40:01,999 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 07:40:02,171 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:40:02,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:40:02,565 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:40:02,787 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:40:02,787 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:40:02,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:02 BoogieIcfgContainer [2022-11-19 07:40:02,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:40:02,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:40:02,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:40:02,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:40:02,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:01" (1/3) ... [2022-11-19 07:40:02,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6aeac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:02, skipping insertion in model container [2022-11-19 07:40:02,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:01" (2/3) ... [2022-11-19 07:40:02,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6aeac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:02, skipping insertion in model container [2022-11-19 07:40:02,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:02" (3/3) ... [2022-11-19 07:40:02,802 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-11-19 07:40:02,811 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:40:02,821 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:40:02,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 07:40:02,821 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:40:02,905 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:40:02,937 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:40:02,951 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 125 transitions, 265 flow [2022-11-19 07:40:02,960 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 125 transitions, 265 flow [2022-11-19 07:40:02,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 125 transitions, 265 flow [2022-11-19 07:40:03,039 INFO L130 PetriNetUnfolder]: 2/122 cut-off events. [2022-11-19 07:40:03,040 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:40:03,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 122 events. 2/122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 84 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2022-11-19 07:40:03,047 INFO L119 LiptonReduction]: Number of co-enabled transitions 2952 [2022-11-19 07:40:08,580 INFO L134 LiptonReduction]: Checked pairs total: 9860 [2022-11-19 07:40:08,580 INFO L136 LiptonReduction]: Total number of compositions: 108 [2022-11-19 07:40:08,588 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 32 transitions, 79 flow [2022-11-19 07:40:08,688 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1678 states, 1652 states have (on average 3.5750605326876514) internal successors, (5906), 1677 states have internal predecessors, (5906), 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 07:40:08,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:40:08,712 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;@44648226, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:40:08,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-19 07:40:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 1678 states, 1652 states have (on average 3.5750605326876514) internal successors, (5906), 1677 states have internal predecessors, (5906), 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 07:40:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:40:08,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:08,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:40:08,726 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-19 07:40:08,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:08,730 INFO L85 PathProgramCache]: Analyzing trace with hash 517708903, now seen corresponding path program 1 times [2022-11-19 07:40:08,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:08,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135265076] [2022-11-19 07:40:08,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:08,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:09,068 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 07:40:09,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:09,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135265076] [2022-11-19 07:40:09,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135265076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:09,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:09,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:40:09,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296223421] [2022-11-19 07:40:09,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:09,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:40:09,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:09,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:40:09,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:40:09,117 INFO L87 Difference]: Start difference. First operand has 1678 states, 1652 states have (on average 3.5750605326876514) internal successors, (5906), 1677 states have internal predecessors, (5906), 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 07:40:09,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:09,272 INFO L93 Difference]: Finished difference Result 706 states and 1847 transitions. [2022-11-19 07:40:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:40:09,280 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 07:40:09,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:09,303 INFO L225 Difference]: With dead ends: 706 [2022-11-19 07:40:09,303 INFO L226 Difference]: Without dead ends: 706 [2022-11-19 07:40:09,304 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 07:40:09,308 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:09,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:40:09,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2022-11-19 07:40:09,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2022-11-19 07:40:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 688 states have (on average 2.684593023255814) internal successors, (1847), 705 states have internal predecessors, (1847), 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 07:40:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1847 transitions. [2022-11-19 07:40:09,410 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1847 transitions. Word has length 5 [2022-11-19 07:40:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:09,411 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 1847 transitions. [2022-11-19 07:40:09,411 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 07:40:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1847 transitions. [2022-11-19 07:40:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:40:09,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:09,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:09,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:40:09,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-19 07:40:09,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:09,414 INFO L85 PathProgramCache]: Analyzing trace with hash 739215828, now seen corresponding path program 1 times [2022-11-19 07:40:09,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:09,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501497840] [2022-11-19 07:40:09,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:09,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:09,626 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 07:40:09,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:09,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501497840] [2022-11-19 07:40:09,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501497840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:09,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:09,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:40:09,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037029134] [2022-11-19 07:40:09,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:09,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:40:09,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:09,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:40:09,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:40:09,653 INFO L87 Difference]: Start difference. First operand 706 states and 1847 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 07:40:09,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:09,775 INFO L93 Difference]: Finished difference Result 550 states and 1433 transitions. [2022-11-19 07:40:09,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:40:09,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-19 07:40:09,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:09,778 INFO L225 Difference]: With dead ends: 550 [2022-11-19 07:40:09,779 INFO L226 Difference]: Without dead ends: 550 [2022-11-19 07:40:09,779 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 07:40:09,780 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:09,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:40:09,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-11-19 07:40:09,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2022-11-19 07:40:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 544 states have (on average 2.6341911764705883) internal successors, (1433), 549 states have internal predecessors, (1433), 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 07:40:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1433 transitions. [2022-11-19 07:40:09,797 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1433 transitions. Word has length 11 [2022-11-19 07:40:09,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:09,798 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 1433 transitions. [2022-11-19 07:40:09,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 07:40:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1433 transitions. [2022-11-19 07:40:09,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:40:09,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:09,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:09,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:40:09,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-19 07:40:09,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:09,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1440852645, now seen corresponding path program 1 times [2022-11-19 07:40:09,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:09,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596868149] [2022-11-19 07:40:09,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:09,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:09,887 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 07:40:09,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:09,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596868149] [2022-11-19 07:40:09,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596868149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:09,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:09,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:40:09,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101828822] [2022-11-19 07:40:09,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:09,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:40:09,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:09,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:40:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:40:09,890 INFO L87 Difference]: Start difference. First operand 550 states and 1433 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 07:40:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:09,995 INFO L93 Difference]: Finished difference Result 262 states and 602 transitions. [2022-11-19 07:40:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:40:09,996 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 07:40:09,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:09,997 INFO L225 Difference]: With dead ends: 262 [2022-11-19 07:40:09,997 INFO L226 Difference]: Without dead ends: 262 [2022-11-19 07:40:09,998 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 07:40:09,999 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 27 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:09,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 9 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:40:10,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-11-19 07:40:10,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2022-11-19 07:40:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 259 states have (on average 2.324324324324324) internal successors, (602), 261 states have internal predecessors, (602), 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 07:40:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 602 transitions. [2022-11-19 07:40:10,007 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 602 transitions. Word has length 12 [2022-11-19 07:40:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:10,007 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 602 transitions. [2022-11-19 07:40:10,007 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 07:40:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 602 transitions. [2022-11-19 07:40:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 07:40:10,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:10,009 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 07:40:10,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:40:10,009 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-19 07:40:10,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:10,010 INFO L85 PathProgramCache]: Analyzing trace with hash 2098158460, now seen corresponding path program 1 times [2022-11-19 07:40:10,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:10,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332844343] [2022-11-19 07:40:10,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:10,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:10,161 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 07:40:10,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:10,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332844343] [2022-11-19 07:40:10,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332844343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:10,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:10,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:40:10,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184917283] [2022-11-19 07:40:10,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:10,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:40:10,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:10,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:40:10,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:40:10,173 INFO L87 Difference]: Start difference. First operand 262 states and 602 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 07:40:10,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:10,284 INFO L93 Difference]: Finished difference Result 211 states and 512 transitions. [2022-11-19 07:40:10,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:40:10,284 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 07:40:10,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:10,285 INFO L225 Difference]: With dead ends: 211 [2022-11-19 07:40:10,285 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:40:10,285 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 07:40:10,286 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 41 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:10,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 6 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:40:10,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:40:10,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:40:10,287 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 07:40:10,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:40:10,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-19 07:40:10,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:10,287 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:40:10,287 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 07:40:10,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:40:10,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:40:10,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-19 07:40:10,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-19 07:40:10,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-19 07:40:10,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-19 07:40:10,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-19 07:40:10,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-19 07:40:10,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-19 07:40:10,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-19 07:40:10,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-19 07:40:10,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-19 07:40:10,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-19 07:40:10,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-19 07:40:10,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-19 07:40:10,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-19 07:40:10,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-19 07:40:10,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:40:10,304 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-19 07:40:10,310 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 07:40:10,311 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:40:10,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:40:10 BasicIcfg [2022-11-19 07:40:10,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:40:10,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:40:10,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:40:10,317 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:40:10,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:02" (3/4) ... [2022-11-19 07:40:10,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:40:10,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-19 07:40:10,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-19 07:40:10,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-19 07:40:10,331 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-19 07:40:10,332 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:40:10,332 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:40:10,332 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:40:10,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:40:10,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:40:10,380 INFO L158 Benchmark]: Toolchain (without parser) took 9265.72ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 107.2MB in the beginning and 51.4MB in the end (delta: 55.8MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2022-11-19 07:40:10,380 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:40:10,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.50ms. Allocated memory is still 136.3MB. Free memory was 106.8MB in the beginning and 101.0MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:40:10,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.97ms. Allocated memory is still 136.3MB. Free memory was 100.6MB in the beginning and 98.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:40:10,381 INFO L158 Benchmark]: Boogie Preprocessor took 37.38ms. Allocated memory is still 136.3MB. Free memory was 98.3MB in the beginning and 96.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:40:10,381 INFO L158 Benchmark]: RCFGBuilder took 886.41ms. Allocated memory is still 136.3MB. Free memory was 96.4MB in the beginning and 103.4MB in the end (delta: -7.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-11-19 07:40:10,381 INFO L158 Benchmark]: TraceAbstraction took 7520.88ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.6MB in the beginning and 54.5MB in the end (delta: 48.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2022-11-19 07:40:10,382 INFO L158 Benchmark]: Witness Printer took 62.95ms. Allocated memory is still 163.6MB. Free memory was 54.5MB in the beginning and 51.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:40:10,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 672.50ms. Allocated memory is still 136.3MB. Free memory was 106.8MB in the beginning and 101.0MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.97ms. Allocated memory is still 136.3MB. Free memory was 100.6MB in the beginning and 98.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.38ms. Allocated memory is still 136.3MB. Free memory was 98.3MB in the beginning and 96.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 886.41ms. Allocated memory is still 136.3MB. Free memory was 96.4MB in the beginning and 103.4MB in the end (delta: -7.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7520.88ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.6MB in the beginning and 54.5MB in the end (delta: 48.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Witness Printer took 62.95ms. Allocated memory is still 163.6MB. Free memory was 54.5MB in the beginning and 51.4MB 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: 5.6s, 133 PlacesBefore, 41 PlacesAfterwards, 125 TransitionsBefore, 32 TransitionsAfterwards, 2952 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 108 TotalNumberOfCompositions, 9860 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3865, independent: 3583, independent conditional: 0, independent unconditional: 3583, dependent: 282, dependent conditional: 0, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2030, independent: 1970, independent conditional: 0, independent unconditional: 1970, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2030, independent: 1918, independent conditional: 0, independent unconditional: 1918, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 112, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 441, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 339, dependent conditional: 0, dependent unconditional: 339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3865, independent: 1613, independent conditional: 0, independent unconditional: 1613, dependent: 222, dependent conditional: 0, dependent unconditional: 222, unknown: 2030, unknown conditional: 0, unknown unconditional: 2030] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: 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 7 procedures, 160 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 16 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1678occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 07:40:10,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cfd109-3d49-4d58-950c-4d321ffeffc3/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