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 -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-23 00:03:08,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-23 00:03:08,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-23 00:03:08,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-23 00:03:08,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-23 00:03:08,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-23 00:03:08,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-23 00:03:08,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-23 00:03:08,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-23 00:03:08,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-23 00:03:08,491 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-23 00:03:08,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-23 00:03:08,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-23 00:03:08,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-23 00:03:08,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-23 00:03:08,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-23 00:03:08,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-23 00:03:08,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-23 00:03:08,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-23 00:03:08,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-23 00:03:08,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-23 00:03:08,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-23 00:03:08,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-23 00:03:08,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-23 00:03:08,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-23 00:03:08,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-23 00:03:08,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-23 00:03:08,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-23 00:03:08,523 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 [2019-08-23 00:03:08,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-23 00:03:08,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-23 00:03:08,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-23 00:03:08,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-23 00:03:08,541 INFO L138 SettingsManager]: * Use SBE=true [2019-08-23 00:03:08,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-23 00:03:08,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-23 00:03:08,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-23 00:03:08,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-23 00:03:08,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-23 00:03:08,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-23 00:03:08,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-23 00:03:08,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-23 00:03:08,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-23 00:03:08,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-23 00:03:08,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-23 00:03:08,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-23 00:03:08,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-23 00:03:08,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-23 00:03:08,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-23 00:03:08,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-23 00:03:08,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-23 00:03:08,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-23 00:03:08,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-23 00:03:08,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-23 00:03:08,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-23 00:03:08,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-23 00:03:08,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-23 00:03:08,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-23 00:03:08,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-23 00:03:08,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-23 00:03:08,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-23 00:03:08,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-23 00:03:08,607 INFO L275 PluginConnector]: CDTParser initialized [2019-08-23 00:03:08,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-23 00:03:08,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7c995b5/39b271870a7542f685c3f9824817e86b/FLAGbcc2e8d70 [2019-08-23 00:03:09,355 INFO L306 CDTParser]: Found 1 translation units. [2019-08-23 00:03:09,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-08-23 00:03:09,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7c995b5/39b271870a7542f685c3f9824817e86b/FLAGbcc2e8d70 [2019-08-23 00:03:09,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7c995b5/39b271870a7542f685c3f9824817e86b [2019-08-23 00:03:09,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-23 00:03:09,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-23 00:03:09,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-23 00:03:09,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-23 00:03:09,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-23 00:03:09,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 12:03:09" (1/1) ... [2019-08-23 00:03:09,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f54f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:09, skipping insertion in model container [2019-08-23 00:03:09,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 12:03:09" (1/1) ... [2019-08-23 00:03:09,536 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-23 00:03:09,705 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-23 00:03:11,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-23 00:03:11,261 INFO L188 MainTranslator]: Completed pre-run [2019-08-23 00:03:12,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-23 00:03:12,405 INFO L192 MainTranslator]: Completed translation [2019-08-23 00:03:12,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12 WrapperNode [2019-08-23 00:03:12,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-23 00:03:12,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-23 00:03:12,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-23 00:03:12,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-23 00:03:12,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12" (1/1) ... [2019-08-23 00:03:12,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12" (1/1) ... [2019-08-23 00:03:12,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12" (1/1) ... [2019-08-23 00:03:12,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12" (1/1) ... [2019-08-23 00:03:12,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12" (1/1) ... [2019-08-23 00:03:12,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12" (1/1) ... [2019-08-23 00:03:12,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12" (1/1) ... [2019-08-23 00:03:12,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-23 00:03:12,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-23 00:03:12,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-23 00:03:12,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-23 00:03:12,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 12:03:12" (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 [2019-08-23 00:03:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-23 00:03:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-23 00:03:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-23 00:03:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-23 00:03:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-23 00:03:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-23 00:03:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-23 00:03:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-23 00:03:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-23 00:03:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-23 00:03:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-23 00:03:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-23 00:03:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-23 00:03:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-23 00:03:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-23 00:03:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-23 00:03:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-23 00:03:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-23 00:03:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-23 00:03:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-23 00:03:16,016 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-23 00:03:16,016 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-23 00:03:16,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 12:03:16 BoogieIcfgContainer [2019-08-23 00:03:16,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-23 00:03:16,019 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-23 00:03:16,019 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-23 00:03:16,020 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-23 00:03:16,021 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 12:03:16" (1/1) ... [2019-08-23 00:03:16,036 INFO L148 IcfgInterpreter]: Started Sifa with 12 locations of interest [2019-08-23 00:03:16,041 INFO L155 IcfgInterpreter]: Building call graph [2019-08-23 00:03:16,062 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-23 00:03:16,072 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-23 00:03:16,074 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-23 00:03:16,262 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-23 00:03:16,264 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-23 00:03:16,266 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-23 00:03:16,282 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-23 00:03:16,283 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-23 00:03:17,039 WARN L188 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2019-08-23 00:03:17,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-23 00:03:17,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-23 00:03:17,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-23 00:03:17,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-23 00:03:17,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-23 00:03:17,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-23 00:03:17,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-23 00:03:17,074 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-23 00:03:17,074 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-23 00:03:17,715 WARN L188 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2019-08-23 00:03:17,716 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-23 00:03:17,717 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-23 00:03:17,718 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:346, output treesize:356 [2019-08-23 00:03:17,804 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 553