./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba --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 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a --- 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-b5237d8 [2022-11-22 02:00:33,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:00:33,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:00:33,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:00:33,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:00:33,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:00:33,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:00:33,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:00:33,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:00:33,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:00:33,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:00:33,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:00:33,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:00:33,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:00:33,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:00:33,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:00:33,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:00:33,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:00:33,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:00:33,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:00:33,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:00:33,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:00:33,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:00:33,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:00:33,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:00:33,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:00:33,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:00:33,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:00:33,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:00:33,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:00:33,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:00:33,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:00:33,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:00:33,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:00:33,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:00:33,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:00:33,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:00:33,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:00:33,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:00:33,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:00:33,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:00:33,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 02:00:33,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:00:33,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:00:33,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:00:33,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:00:33,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:00:33,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:00:33,901 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:00:33,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:00:33,902 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:00:33,902 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:00:33,902 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:00:33,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:00:33,903 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:00:33,903 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:00:33,903 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:00:33,904 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:00:33,904 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:00:33,904 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:00:33,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:00:33,906 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:00:33,906 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:00:33,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:00:33,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:00:33,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:00:33,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:00:33,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:00:33,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:00:33,908 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:00:33,909 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:00:33,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:00:33,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:00:33,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:00:33,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:00:33,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:00:33,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:00:33,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:00:33,912 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:00:33,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:00:33,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:00:33,913 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:00:33,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:00:33,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:00:33,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:00:33,914 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_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a [2022-11-22 02:00:34,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:00:34,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:00:34,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:00:34,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:00:34,273 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:00:34,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-wmm/mix038.opt.i [2022-11-22 02:00:37,236 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:00:37,562 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:00:37,590 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/sv-benchmarks/c/pthread-wmm/mix038.opt.i [2022-11-22 02:00:37,603 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/data/fcd882774/67606e6187f94331859fdc459272c7d2/FLAGa0858535d [2022-11-22 02:00:37,618 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/data/fcd882774/67606e6187f94331859fdc459272c7d2 [2022-11-22 02:00:37,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:00:37,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:00:37,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:00:37,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:00:37,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:00:37,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:00:37" (1/1) ... [2022-11-22 02:00:37,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af0a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:37, skipping insertion in model container [2022-11-22 02:00:37,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:00:37" (1/1) ... [2022-11-22 02:00:37,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:00:37,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:00:37,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957] [2022-11-22 02:00:38,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:00:38,146 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:00:38,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957] [2022-11-22 02:00:38,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:00:38,301 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:00:38,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38 WrapperNode [2022-11-22 02:00:38,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:00:38,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:00:38,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:00:38,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:00:38,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,390 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 138 [2022-11-22 02:00:38,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:00:38,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:00:38,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:00:38,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:00:38,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:00:38,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:00:38,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:00:38,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:00:38,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (1/1) ... [2022-11-22 02:00:38,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:00:38,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:00:38,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:00:38,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:00:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:00:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 02:00:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:00:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:00:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:00:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-22 02:00:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-22 02:00:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-22 02:00:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-22 02:00:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-22 02:00:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-22 02:00:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:00:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 02:00:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:00:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:00:38,565 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 02:00:38,776 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:00:38,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:00:39,286 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:00:39,391 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:00:39,392 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:00:39,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:00:39 BoogieIcfgContainer [2022-11-22 02:00:39,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:00:39,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:00:39,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:00:39,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:00:39,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:00:37" (1/3) ... [2022-11-22 02:00:39,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e158dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:00:39, skipping insertion in model container [2022-11-22 02:00:39,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:38" (2/3) ... [2022-11-22 02:00:39,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e158dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:00:39, skipping insertion in model container [2022-11-22 02:00:39,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:00:39" (3/3) ... [2022-11-22 02:00:39,403 INFO L112 eAbstractionObserver]: Analyzing ICFG mix038.opt.i [2022-11-22 02:00:39,412 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 02:00:39,423 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:00:39,423 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-22 02:00:39,423 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:00:39,493 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 02:00:39,543 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:00:39,566 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 121 transitions, 257 flow [2022-11-22 02:00:39,571 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 121 transitions, 257 flow [2022-11-22 02:00:39,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 121 transitions, 257 flow [2022-11-22 02:00:39,679 INFO L130 PetriNetUnfolder]: 2/118 cut-off events. [2022-11-22 02:00:39,682 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 02:00:39,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 118 events. 2/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2022-11-22 02:00:39,695 INFO L119 LiptonReduction]: Number of co-enabled transitions 2544 [2022-11-22 02:00:45,398 INFO L134 LiptonReduction]: Checked pairs total: 8607 [2022-11-22 02:00:45,399 INFO L136 LiptonReduction]: Total number of compositions: 106 [2022-11-22 02:00:45,407 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2022-11-22 02:00:45,486 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1234 states, 1208 states have (on average 3.543046357615894) internal successors, (4280), 1233 states have internal predecessors, (4280), 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) [2022-11-22 02:00:45,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:00:45,511 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;@58a25712, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:00:45,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-22 02:00:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 1234 states, 1208 states have (on average 3.543046357615894) internal successors, (4280), 1233 states have internal predecessors, (4280), 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) [2022-11-22 02:00:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 02:00:45,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:00:45,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 02:00:45,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 02:00:45,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:00:45,527 INFO L85 PathProgramCache]: Analyzing trace with hash 15779572, now seen corresponding path program 1 times [2022-11-22 02:00:45,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:00:45,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531105805] [2022-11-22 02:00:45,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:45,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:00:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:00:45,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:00:45,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531105805] [2022-11-22 02:00:45,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531105805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:00:45,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:00:45,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 02:00:45,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228641450] [2022-11-22 02:00:45,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:00:45,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:00:45,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:00:45,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:00:45,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:00:45,846 INFO L87 Difference]: Start difference. First operand has 1234 states, 1208 states have (on average 3.543046357615894) internal successors, (4280), 1233 states have internal predecessors, (4280), 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 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-22 02:00:46,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:00:46,005 INFO L93 Difference]: Finished difference Result 678 states and 1939 transitions. [2022-11-22 02:00:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:00:46,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-22 02:00:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:00:46,034 INFO L225 Difference]: With dead ends: 678 [2022-11-22 02:00:46,035 INFO L226 Difference]: Without dead ends: 678 [2022-11-22 02:00:46,036 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 [2022-11-22 02:00:46,042 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:00:46,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 9 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:00:46,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2022-11-22 02:00:46,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2022-11-22 02:00:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 660 states have (on average 2.937878787878788) internal successors, (1939), 677 states have internal predecessors, (1939), 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) [2022-11-22 02:00:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1939 transitions. [2022-11-22 02:00:46,135 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1939 transitions. Word has length 4 [2022-11-22 02:00:46,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:00:46,135 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1939 transitions. [2022-11-22 02:00:46,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-22 02:00:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1939 transitions. [2022-11-22 02:00:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 02:00:46,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:00:46,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:00:46,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:00:46,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 02:00:46,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:00:46,138 INFO L85 PathProgramCache]: Analyzing trace with hash 270799, now seen corresponding path program 1 times [2022-11-22 02:00:46,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:00:46,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731831907] [2022-11-22 02:00:46,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:46,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:00:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:00:46,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:00:46,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731831907] [2022-11-22 02:00:46,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731831907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:00:46,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:00:46,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:00:46,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634589790] [2022-11-22 02:00:46,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:00:46,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:00:46,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:00:46,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:00:46,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:00:46,348 INFO L87 Difference]: Start difference. First operand 678 states and 1939 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-22 02:00:46,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:00:46,463 INFO L93 Difference]: Finished difference Result 538 states and 1569 transitions. [2022-11-22 02:00:46,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:00:46,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-22 02:00:46,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:00:46,469 INFO L225 Difference]: With dead ends: 538 [2022-11-22 02:00:46,469 INFO L226 Difference]: Without dead ends: 538 [2022-11-22 02:00:46,470 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 [2022-11-22 02:00:46,471 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 28 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:00:46,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 12 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:00:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-11-22 02:00:46,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2022-11-22 02:00:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 532 states have (on average 2.949248120300752) internal successors, (1569), 537 states have internal predecessors, (1569), 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) [2022-11-22 02:00:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1569 transitions. [2022-11-22 02:00:46,514 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1569 transitions. Word has length 9 [2022-11-22 02:00:46,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:00:46,514 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 1569 transitions. [2022-11-22 02:00:46,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-22 02:00:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1569 transitions. [2022-11-22 02:00:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 02:00:46,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:00:46,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:00:46,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:00:46,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 02:00:46,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:00:46,521 INFO L85 PathProgramCache]: Analyzing trace with hash 8393075, now seen corresponding path program 1 times [2022-11-22 02:00:46,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:00:46,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169022815] [2022-11-22 02:00:46,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:46,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:00:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:00:46,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:00:46,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169022815] [2022-11-22 02:00:46,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169022815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:00:46,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:00:46,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:00:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942918172] [2022-11-22 02:00:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:00:46,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:00:46,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:00:46,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:00:46,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:00:46,621 INFO L87 Difference]: Start difference. First operand 538 states and 1569 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-22 02:00:46,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:00:46,715 INFO L93 Difference]: Finished difference Result 434 states and 1286 transitions. [2022-11-22 02:00:46,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:00:46,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-22 02:00:46,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:00:46,718 INFO L225 Difference]: With dead ends: 434 [2022-11-22 02:00:46,718 INFO L226 Difference]: Without dead ends: 434 [2022-11-22 02:00:46,719 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 [2022-11-22 02:00:46,724 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 39 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:00:46,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 12 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:00:46,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-11-22 02:00:46,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2022-11-22 02:00:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 431 states have (on average 2.9837587006960558) internal successors, (1286), 433 states have internal predecessors, (1286), 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) [2022-11-22 02:00:46,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 1286 transitions. [2022-11-22 02:00:46,745 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 1286 transitions. Word has length 10 [2022-11-22 02:00:46,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:00:46,745 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 1286 transitions. [2022-11-22 02:00:46,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-22 02:00:46,746 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1286 transitions. [2022-11-22 02:00:46,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 02:00:46,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:00:46,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:00:46,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:00:46,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 02:00:46,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:00:46,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1367945870, now seen corresponding path program 1 times [2022-11-22 02:00:46,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:00:46,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377331759] [2022-11-22 02:00:46,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:46,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:00:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:00:46,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:00:46,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377331759] [2022-11-22 02:00:46,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377331759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:00:46,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:00:46,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:00:46,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907983469] [2022-11-22 02:00:46,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:00:46,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:00:46,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:00:46,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:00:46,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:00:46,985 INFO L87 Difference]: Start difference. First operand 434 states and 1286 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-22 02:00:47,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:00:47,073 INFO L93 Difference]: Finished difference Result 422 states and 1265 transitions. [2022-11-22 02:00:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:00:47,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2022-11-22 02:00:47,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:00:47,073 INFO L225 Difference]: With dead ends: 422 [2022-11-22 02:00:47,074 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:00:47,074 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 [2022-11-22 02:00:47,075 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 38 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:00:47,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 9 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:00:47,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:00:47,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:00:47,076 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) [2022-11-22 02:00:47,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:00:47,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-11-22 02:00:47,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:00:47,077 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:00:47,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-22 02:00:47,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:00:47,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:00:47,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-22 02:00:47,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-22 02:00:47,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-22 02:00:47,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-22 02:00:47,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-22 02:00:47,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-22 02:00:47,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-22 02:00:47,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-22 02:00:47,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-22 02:00:47,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-22 02:00:47,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-22 02:00:47,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-22 02:00:47,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-22 02:00:47,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-22 02:00:47,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-22 02:00:47,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:00:47,085 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 02:00:47,093 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 02:00:47,094 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:00:47,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:00:47 BasicIcfg [2022-11-22 02:00:47,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:00:47,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:00:47,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:00:47,098 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:00:47,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:00:39" (3/4) ... [2022-11-22 02:00:47,101 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:00:47,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-22 02:00:47,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-22 02:00:47,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-22 02:00:47,112 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-22 02:00:47,113 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 02:00:47,113 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 02:00:47,113 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:00:47,155 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:00:47,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:00:47,156 INFO L158 Benchmark]: Toolchain (without parser) took 9531.09ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 184.8MB in the beginning and 118.1MB in the end (delta: 66.7MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. [2022-11-22 02:00:47,156 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:00:47,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.71ms. Allocated memory is still 213.9MB. Free memory was 184.6MB in the beginning and 165.7MB in the end (delta: 18.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-22 02:00:47,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.61ms. Allocated memory is still 213.9MB. Free memory was 165.7MB in the beginning and 162.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:00:47,157 INFO L158 Benchmark]: Boogie Preprocessor took 75.67ms. Allocated memory is still 213.9MB. Free memory was 162.6MB in the beginning and 161.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:00:47,158 INFO L158 Benchmark]: RCFGBuilder took 926.39ms. Allocated memory is still 213.9MB. Free memory was 160.6MB in the beginning and 156.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 02:00:47,158 INFO L158 Benchmark]: TraceAbstraction took 7700.18ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 155.2MB in the beginning and 121.2MB in the end (delta: 34.0MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2022-11-22 02:00:47,159 INFO L158 Benchmark]: Witness Printer took 58.39ms. Allocated memory is still 257.9MB. Free memory was 121.2MB in the beginning and 118.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:00:47,162 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 132.1MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 668.71ms. Allocated memory is still 213.9MB. Free memory was 184.6MB in the beginning and 165.7MB in the end (delta: 18.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.61ms. Allocated memory is still 213.9MB. Free memory was 165.7MB in the beginning and 162.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.67ms. Allocated memory is still 213.9MB. Free memory was 162.6MB in the beginning and 161.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 926.39ms. Allocated memory is still 213.9MB. Free memory was 160.6MB in the beginning and 156.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7700.18ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 155.2MB in the beginning and 121.2MB in the end (delta: 34.0MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. * Witness Printer took 58.39ms. Allocated memory is still 257.9MB. Free memory was 121.2MB in the beginning and 118.1MB 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: 5.8s, 129 PlacesBefore, 39 PlacesAfterwards, 121 TransitionsBefore, 30 TransitionsAfterwards, 2544 CoEnabledTransitionPairs, 8 FixpointIterations, 43 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 106 TotalNumberOfCompositions, 8607 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3977, independent: 3702, independent conditional: 0, independent unconditional: 3702, dependent: 275, dependent conditional: 0, dependent unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1841, independent: 1780, independent conditional: 0, independent unconditional: 1780, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1841, independent: 1753, independent conditional: 0, independent unconditional: 1753, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 492, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 411, dependent conditional: 0, dependent unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3977, independent: 1922, independent conditional: 0, independent unconditional: 1922, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 1841, unknown conditional: 0, unknown unconditional: 1841] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 153, Positive conditional cache size: 0, Positive unconditional cache size: 153, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, 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: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: 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, 153 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 21 mSDtfsCounter, 204 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=1234occurred 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, 0.6s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 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! [2022-11-22 02:00:47,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b5091a-e58a-4682-8e2d-3246cea61bd8/bin/utaipan-g80aRyZoba/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