./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-009.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-009.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --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 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:02,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:02,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-02 12:33:02,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:02,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:02,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:02,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:02,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:02,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:02,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:02,535 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:02,536 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:02,536 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:02,537 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:02,537 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:02,537 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:02,538 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:02,538 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:02,538 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:02,539 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:02,539 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:02,540 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:02,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:02,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:02,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:33:02,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:02,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:33:02,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:02,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:02,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:02,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:02,547 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:02,547 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-02 12:33:02,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:33:02,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:33:02,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:02,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:02,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:02,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:02,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:02,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:02,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:02,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:02,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:02,555 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:02,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:02,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:02,556 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:02,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:02,556 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 [2024-11-02 12:33:02,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:03,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:03,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:03,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:03,023 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:03,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/xcsp/AllInterval-009.c Unable to find full path for "g++" [2024-11-02 12:33:05,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:05,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:05,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/sv-benchmarks/c/xcsp/AllInterval-009.c [2024-11-02 12:33:05,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/data/9ee15c774/314c202766794af2ac3c03be8dcbaf3f/FLAGac7c13682 [2024-11-02 12:33:05,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/data/9ee15c774/314c202766794af2ac3c03be8dcbaf3f [2024-11-02 12:33:05,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:05,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:05,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:05,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:05,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:05,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93b6f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05, skipping insertion in model container [2024-11-02 12:33:05,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:05,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:05,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:05,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:05,766 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:05,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05 WrapperNode [2024-11-02 12:33:05,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:05,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:05,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:05,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:05,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,827 INFO L138 Inliner]: procedures = 13, calls = 114, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 289 [2024-11-02 12:33:05,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:05,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:05,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:05,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:05,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:05,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:05,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:05,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:05,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (1/1) ... [2024-11-02 12:33:05,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:05,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:05,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:05,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-02 12:33:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-02 12:33:06,028 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:06,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:06,614 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:06,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:06,667 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:06,667 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:33:06,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:06 BoogieIcfgContainer [2024-11-02 12:33:06,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:06,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:06,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:06,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:06,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:05" (1/3) ... [2024-11-02 12:33:06,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191118e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:06, skipping insertion in model container [2024-11-02 12:33:06,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:05" (2/3) ... [2024-11-02 12:33:06,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191118e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:06, skipping insertion in model container [2024-11-02 12:33:06,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:06" (3/3) ... [2024-11-02 12:33:06,701 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-009.c [2024-11-02 12:33:06,721 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:06,721 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-02 12:33:06,832 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:06,839 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2625924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:06,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-02 12:33:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 101 states have internal predecessors, (109), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-02 12:33:06,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-02 12:33:06,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:06,864 INFO L215 NwaCegarLoop]: trace histogram [98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:33:06,865 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-02 12:33:06,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:06,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1880945952, now seen corresponding path program 1 times [2024-11-02 12:33:06,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:06,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711175038] [2024-11-02 12:33:06,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:06,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2024-11-02 12:33:08,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:08,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711175038] [2024-11-02 12:33:08,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711175038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:33:08,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400072123] [2024-11-02 12:33:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:08,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:33:08,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:08,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:33:08,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eb20b6a-5d14-4e5a-b4be-80b46abfe185/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:33:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:08,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:33:08,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:33:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2024-11-02 12:33:09,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:33:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2024-11-02 12:33:10,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400072123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:33:10,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [349569375] [2024-11-02 12:33:10,489 INFO L159 IcfgInterpreter]: Started Sifa with 121 locations of interest [2024-11-02 12:33:10,490 INFO L166 IcfgInterpreter]: Building call graph [2024-11-02 12:33:10,495 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-02 12:33:10,501 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-02 12:33:10,502 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-02 12:33:34,554 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 3 for LOIs [2024-11-02 12:33:34,556 INFO L180 IcfgInterpreter]: Interpretation finished