/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCinline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 06:22:51,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 06:22:51,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 06:22:51,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 06:22:51,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 06:22:51,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 06:22:51,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 06:22:51,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 06:22:51,372 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 06:22:51,372 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 06:22:51,372 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 06:22:51,373 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 06:22:51,373 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 06:22:51,373 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 06:22:51,373 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 06:22:51,373 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 06:22:51,373 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 06:22:51,374 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 06:22:51,375 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 06:22:51,375 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 06:22:51,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 06:22:51,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 06:22:51,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 06:22:51,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 06:22:51,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 06:22:51,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 06:22:51,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 06:22:51,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 06:22:51,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 06:22:51,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 06:22:51,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 06:22:51,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 06:22:51,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 06:22:51,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 06:22:51,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 06:22:51,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 06:22:51,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 06:22:51,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 06:22:51,381 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 06:22:51,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 06:22:51,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 06:22:51,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 06:22:51,382 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Argument of "toolchain" has invalid value "/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/toolchains/SifaCinline.xml": File/Dir does not exist Arguments were "-ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCinline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-2.c" [2019-11-24 06:22:51,385 WARN L247 UltimateCore]: Preparing to exit Ultimate with return code -1