/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 18:01:27,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 18:01:27,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 18:01:27,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-31 18:01:27,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 18:01:27,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 18:01:27,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 18:01:27,481 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 [2023-03-31 18:01:27,496 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 18:01:27,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 18:01:27,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 18:01:27,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 18:01:27,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 18:01:27,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 18:01:27,497 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 18:01:27,497 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 18:01:27,497 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 18:01:27,497 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 18:01:27,497 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 18:01:27,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 18:01:27,497 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 18:01:27,498 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 18:01:27,498 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 18:01:27,498 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 18:01:27,498 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 18:01:27,498 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 18:01:27,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 18:01:27,498 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 18:01:27,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 18:01:27,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 18:01:27,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 18:01:27,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 18:01:27,501 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-31 18:01:27,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 18:01:27,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 18:01:27,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 18:01:27,683 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 18:01:27,684 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 18:01:27,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-03-31 18:01:29,144 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 18:01:29,468 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 18:01:29,469 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-03-31 18:01:29,493 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3f43f6f/d25aae5c033f43a0a9f8b29753708ca2/FLAG1cbd23478 [2023-03-31 18:01:29,505 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3f43f6f/d25aae5c033f43a0a9f8b29753708ca2 [2023-03-31 18:01:29,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 18:01:29,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 18:01:29,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 18:01:29,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 18:01:29,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 18:01:29,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:01:29" (1/1) ... [2023-03-31 18:01:29,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c59de71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:29, skipping insertion in model container [2023-03-31 18:01:29,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:01:29" (1/1) ... [2023-03-31 18:01:29,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 18:01:29,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 18:01:29,939 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13533,13546] [2023-03-31 18:01:29,974 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18033,18046] [2023-03-31 18:01:29,979 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19325,19338] [2023-03-31 18:01:29,982 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20083,20096] [2023-03-31 18:01:29,988 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21703,21716] [2023-03-31 18:01:29,992 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22461,22474] [2023-03-31 18:01:30,000 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23547,23560] [2023-03-31 18:01:30,023 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26086,26099] [2023-03-31 18:01:30,026 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26847,26860] [2023-03-31 18:01:30,030 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27936,27949] [2023-03-31 18:01:30,036 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29941,29954] [2023-03-31 18:01:30,057 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33864,33877] [2023-03-31 18:01:30,061 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34625,34638] [2023-03-31 18:01:30,065 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35718,35731] [2023-03-31 18:01:30,071 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37727,37740] [2023-03-31 18:01:30,082 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41330,41343] [2023-03-31 18:01:30,103 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48207,48220] [2023-03-31 18:01:30,107 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48968,48981] [2023-03-31 18:01:30,110 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50057,50070] [2023-03-31 18:01:30,117 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52062,52075] [2023-03-31 18:01:30,127 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55451,55464] [2023-03-31 18:01:30,142 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61148,61161] [2023-03-31 18:01:30,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 18:01:30,557 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 18:01:30,602 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13533,13546] [2023-03-31 18:01:30,610 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18033,18046] [2023-03-31 18:01:30,613 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19325,19338] [2023-03-31 18:01:30,615 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20083,20096] [2023-03-31 18:01:30,619 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21703,21716] [2023-03-31 18:01:30,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22461,22474] [2023-03-31 18:01:30,624 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23547,23560] [2023-03-31 18:01:30,630 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26086,26099] [2023-03-31 18:01:30,632 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26847,26860] [2023-03-31 18:01:30,635 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27936,27949] [2023-03-31 18:01:30,640 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29941,29954] [2023-03-31 18:01:30,649 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33864,33877] [2023-03-31 18:01:30,652 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34625,34638] [2023-03-31 18:01:30,655 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35718,35731] [2023-03-31 18:01:30,659 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37727,37740] [2023-03-31 18:01:30,667 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41330,41343] [2023-03-31 18:01:30,685 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48207,48220] [2023-03-31 18:01:30,688 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48968,48981] [2023-03-31 18:01:30,691 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50057,50070] [2023-03-31 18:01:30,695 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52062,52075] [2023-03-31 18:01:30,705 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55451,55464] [2023-03-31 18:01:30,719 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61148,61161] [2023-03-31 18:01:30,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 18:01:30,882 INFO L208 MainTranslator]: Completed translation [2023-03-31 18:01:30,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30 WrapperNode [2023-03-31 18:01:30,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 18:01:30,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 18:01:30,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 18:01:30,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 18:01:30,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:30,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:30,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:30,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:30,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:31,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:31,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:31,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:31,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 18:01:31,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 18:01:31,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 18:01:31,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 18:01:31,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:01:30" (1/1) ... [2023-03-31 18:01:31,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 18:01:31,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 18:01:31,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 18:01:31,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 18:01:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 18:01:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 18:01:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 18:01:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 18:01:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 18:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure read [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure write [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 18:01:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 18:01:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 18:01:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 18:01:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 18:01:31,391 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 18:01:31,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 18:01:33,378 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 18:01:33,529 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 18:01:33,529 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 18:01:33,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:01:33 BoogieIcfgContainer [2023-03-31 18:01:33,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 18:01:33,533 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 18:01:33,533 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 18:01:33,533 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 18:01:33,534 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:01:33" (1/1) ... [2023-03-31 18:01:33,534 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 18:01:33,587 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2023-03-31 18:01:33,587 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 18:01:33,595 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 18:01:33,600 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 18:01:33,601 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 18:01:38,061 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 667 for LOIs