java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 13:29:39,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 13:29:39,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 13:29:39,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 13:29:39,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 13:29:39,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 13:29:39,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 13:29:39,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 13:29:39,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 13:29:39,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 13:29:39,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 13:29:39,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 13:29:39,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 13:29:39,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 13:29:39,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 13:29:39,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 13:29:39,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 13:29:39,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 13:29:39,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 13:29:39,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 13:29:39,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 13:29:39,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 13:29:39,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 13:29:39,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 13:29:39,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 13:29:39,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 13:29:39,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 13:29:39,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 13:29:39,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 13:29:39,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 13:29:39,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 13:29:39,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 13:29:39,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 13:29:39,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 13:29:39,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 13:29:39,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 13:29:39,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 13:29:39,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 13:29:39,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 13:29:39,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 13:29:39,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 13:29:39,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 13:29:39,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 13:29:39,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 13:29:39,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 13:29:39,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 13:29:39,579 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 13:29:39,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 13:29:39,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 13:29:39,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 13:29:39,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 13:29:39,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 13:29:39,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 13:29:39,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 13:29:39,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 13:29:39,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 13:29:39,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 13:29:39,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 13:29:39,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 13:29:39,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 13:29:39,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 13:29:39,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 13:29:39,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 13:29:39,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:29:39,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 13:29:39,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 13:29:39,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 13:29:39,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 13:29:39,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 13:29:39,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 13:29:39,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 13:29:39,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 13:29:39,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 13:29:39,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 13:29:39,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 13:29:39,676 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 13:29:39,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 13:29:39,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045ab2dd6/ff91102a60f74602865f4903cd7c60ae/FLAG980ec6ef4 [2019-09-06 13:29:40,491 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 13:29:40,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 13:29:40,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045ab2dd6/ff91102a60f74602865f4903cd7c60ae/FLAG980ec6ef4 [2019-09-06 13:29:40,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045ab2dd6/ff91102a60f74602865f4903cd7c60ae [2019-09-06 13:29:40,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 13:29:40,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 13:29:40,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 13:29:40,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 13:29:40,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 13:29:40,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:29:40" (1/1) ... [2019-09-06 13:29:40,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55725c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:40, skipping insertion in model container [2019-09-06 13:29:40,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:29:40" (1/1) ... [2019-09-06 13:29:40,657 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 13:29:40,817 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 13:29:42,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:29:42,045 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 13:29:42,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:29:42,582 INFO L192 MainTranslator]: Completed translation [2019-09-06 13:29:42,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42 WrapperNode [2019-09-06 13:29:42,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 13:29:42,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 13:29:42,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 13:29:42,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 13:29:42,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42" (1/1) ... [2019-09-06 13:29:42,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42" (1/1) ... [2019-09-06 13:29:42,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42" (1/1) ... [2019-09-06 13:29:42,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42" (1/1) ... [2019-09-06 13:29:42,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42" (1/1) ... [2019-09-06 13:29:42,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42" (1/1) ... [2019-09-06 13:29:42,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42" (1/1) ... [2019-09-06 13:29:42,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 13:29:42,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 13:29:42,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 13:29:42,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 13:29:42,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:29:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:29:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 13:29:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 13:29:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 13:29:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 13:29:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 13:29:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 13:29:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 13:29:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 13:29:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 13:29:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 13:29:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 13:29:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 13:29:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 13:29:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 13:29:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 13:29:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 13:29:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 13:29:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 13:29:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 13:29:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 13:29:47,238 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 13:29:47,238 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 13:29:47,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:29:47 BoogieIcfgContainer [2019-09-06 13:29:47,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 13:29:47,241 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 13:29:47,241 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 13:29:47,242 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 13:29:47,243 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:29:47" (1/1) ... [2019-09-06 13:29:47,244 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 13:29:47,285 INFO L162 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-09-06 13:29:47,285 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 13:29:47,303 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 13:29:47,315 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 13:29:47,318 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 13:29:47,597 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 972 for LOIs