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.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 12:12:55,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 12:12:55,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 12:12:55,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 12:12:55,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 12:12:55,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 12:12:55,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 12:12:55,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 12:12:55,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 12:12:55,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 12:12:55,563 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 12:12:55,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 12:12:55,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 12:12:55,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 12:12:55,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 12:12:55,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 12:12:55,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 12:12:55,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 12:12:55,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 12:12:55,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 12:12:55,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 12:12:55,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 12:12:55,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 12:12:55,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 12:12:55,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 12:12:55,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 12:12:55,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 12:12:55,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 12:12:55,589 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 [2019-08-18 12:12:55,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 12:12:55,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 12:12:55,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 12:12:55,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 12:12:55,605 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 12:12:55,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 12:12:55,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 12:12:55,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 12:12:55,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 12:12:55,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 12:12:55,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 12:12:55,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 12:12:55,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 12:12:55,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 12:12:55,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 12:12:55,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 12:12:55,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 12:12:55,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 12:12:55,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 12:12:55,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 12:12:55,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 12:12:55,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 12:12:55,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 12:12:55,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 12:12:55,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 12:12:55,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 12:12:55,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 12:12:55,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 12:12:55,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 12:12:55,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 12:12:55,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 12:12:55,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 12:12:55,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 12:12:55,683 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 12:12:55,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-08-18 12:12:55,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac31999e/aa894ab9c21d43c283064f2a6488e96a/FLAG5267e6dc2 [2019-08-18 12:12:56,409 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 12:12:56,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-08-18 12:12:56,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac31999e/aa894ab9c21d43c283064f2a6488e96a/FLAG5267e6dc2 [2019-08-18 12:12:56,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac31999e/aa894ab9c21d43c283064f2a6488e96a [2019-08-18 12:12:56,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 12:12:56,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 12:12:56,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 12:12:56,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 12:12:56,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 12:12:56,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:12:56" (1/1) ... [2019-08-18 12:12:56,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6dea00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:56, skipping insertion in model container [2019-08-18 12:12:56,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:12:56" (1/1) ... [2019-08-18 12:12:56,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 12:12:56,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 12:12:57,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:12:57,786 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 12:12:58,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:12:58,574 INFO L192 MainTranslator]: Completed translation [2019-08-18 12:12:58,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58 WrapperNode [2019-08-18 12:12:58,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 12:12:58,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 12:12:58,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 12:12:58,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 12:12:58,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58" (1/1) ... [2019-08-18 12:12:58,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58" (1/1) ... [2019-08-18 12:12:58,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58" (1/1) ... [2019-08-18 12:12:58,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58" (1/1) ... [2019-08-18 12:12:58,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58" (1/1) ... [2019-08-18 12:12:58,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58" (1/1) ... [2019-08-18 12:12:58,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58" (1/1) ... [2019-08-18 12:12:58,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 12:12:58,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 12:12:58,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 12:12:58,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 12:12:58,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:12:58" (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 [2019-08-18 12:12:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 12:12:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 12:12:58,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 12:12:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 12:12:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 12:12:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 12:12:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 12:12:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 12:12:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 12:12:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 12:12:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 12:12:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 12:12:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 12:12:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 12:12:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 12:12:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 12:12:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 12:12:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 12:12:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 12:13:01,413 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 12:13:01,413 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 12:13:01,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:13:01 BoogieIcfgContainer [2019-08-18 12:13:01,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 12:13:01,416 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 12:13:01,416 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 12:13:01,416 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 12:13:01,417 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:13:01" (1/1) ... [2019-08-18 12:13:01,431 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 12:13:01,433 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 12:13:01,448 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 12:13:01,457 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 12:13:01,458 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 12:13:01,581 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:13:01,582 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:13:01,583 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:13:01,596 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 [2019-08-18 12:13:01,596 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 12:13:02,278 WARN L188 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2019-08-18 12:13:02,279 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:13:02,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:13:02,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:13:02,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:13:02,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:13:02,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:13:02,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:13:02,312 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 [2019-08-18 12:13:02,313 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 12:13:02,898 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2019-08-18 12:13:02,899 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:13:02,900 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 12:13:02,901 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:307, output treesize:317 [2019-08-18 12:13:02,954 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 372