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/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 01:34:32,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 01:34:32,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 01:34:32,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 01:34:32,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 01:34:32,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 01:34:32,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 01:34:32,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 01:34:32,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 01:34:32,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 01:34:32,710 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 01:34:32,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 01:34:32,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 01:34:32,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 01:34:32,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 01:34:32,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 01:34:32,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 01:34:32,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 01:34:32,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 01:34:32,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 01:34:32,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 01:34:32,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 01:34:32,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 01:34:32,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 01:34:32,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 01:34:32,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 01:34:32,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 01:34:32,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 01:34:32,735 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 [2019-08-22 01:34:32,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 01:34:32,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 01:34:32,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 01:34:32,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 01:34:32,751 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 01:34:32,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 01:34:32,752 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 01:34:32,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 01:34:32,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 01:34:32,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 01:34:32,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 01:34:32,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 01:34:32,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 01:34:32,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 01:34:32,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 01:34:32,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 01:34:32,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 01:34:32,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 01:34:32,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 01:34:32,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 01:34:32,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 01:34:32,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 01:34:32,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 01:34:32,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 01:34:32,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 01:34:32,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 01:34:32,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 01:34:32,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 01:34:32,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 01:34:32,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 01:34:32,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 01:34:32,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 01:34:32,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 01:34:32,803 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 01:34:32,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2019-08-22 01:34:32,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d5b066ab/040e35abc5654f648845ee6c45f759f5/FLAG1586e10a4 [2019-08-22 01:34:33,333 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 01:34:33,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2019-08-22 01:34:33,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d5b066ab/040e35abc5654f648845ee6c45f759f5/FLAG1586e10a4 [2019-08-22 01:34:33,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d5b066ab/040e35abc5654f648845ee6c45f759f5 [2019-08-22 01:34:33,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 01:34:33,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 01:34:33,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 01:34:33,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 01:34:33,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 01:34:33,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:34:33" (1/1) ... [2019-08-22 01:34:33,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1eef98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:33, skipping insertion in model container [2019-08-22 01:34:33,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:34:33" (1/1) ... [2019-08-22 01:34:33,724 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 01:34:33,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 01:34:34,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:34:34,055 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 01:34:34,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 01:34:34,274 INFO L192 MainTranslator]: Completed translation [2019-08-22 01:34:34,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34 WrapperNode [2019-08-22 01:34:34,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 01:34:34,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 01:34:34,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 01:34:34,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 01:34:34,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34" (1/1) ... [2019-08-22 01:34:34,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34" (1/1) ... [2019-08-22 01:34:34,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34" (1/1) ... [2019-08-22 01:34:34,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34" (1/1) ... [2019-08-22 01:34:34,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34" (1/1) ... [2019-08-22 01:34:34,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34" (1/1) ... [2019-08-22 01:34:34,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34" (1/1) ... [2019-08-22 01:34:34,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 01:34:34,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 01:34:34,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 01:34:34,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 01:34:34,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:34:34" (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 [2019-08-22 01:34:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 01:34:34,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 01:34:34,407 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-22 01:34:34,407 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-22 01:34:34,407 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-22 01:34:34,407 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-22 01:34:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-22 01:34:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 01:34:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-22 01:34:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 01:34:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 01:34:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 01:34:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-22 01:34:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 01:34:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-22 01:34:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-22 01:34:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-22 01:34:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-22 01:34:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-22 01:34:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-22 01:34:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-22 01:34:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 01:34:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 01:34:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 01:34:35,290 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 01:34:35,290 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 01:34:35,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:34:35 BoogieIcfgContainer [2019-08-22 01:34:35,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 01:34:35,292 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 01:34:35,292 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 01:34:35,293 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 01:34:35,294 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:34:35" (1/1) ... [2019-08-22 01:34:35,309 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 01:34:35,313 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 01:34:35,330 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 01:34:35,346 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 01:34:35,347 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 01:34:35,472 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:34:35,473 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 01:34:35,485 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-22 01:34:35,486 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 01:34:35,783 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-22 01:34:35,784 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:34:35,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:34:35,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:34:35,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 01:34:35,814 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 12 treesize of output 16 [2019-08-22 01:34:35,815 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 01:34:36,045 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-08-22 01:34:36,046 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 01:34:36,047 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 01:34:36,048 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:172, output treesize:178 [2019-08-22 01:34:36,128 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 235