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.5.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 12:16:12,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 12:16:12,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 12:16:12,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 12:16:12,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 12:16:12,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 12:16:12,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 12:16:12,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 12:16:12,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 12:16:12,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 12:16:12,485 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 12:16:12,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 12:16:12,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 12:16:12,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 12:16:12,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 12:16:12,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 12:16:12,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 12:16:12,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 12:16:12,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 12:16:12,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 12:16:12,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 12:16:12,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 12:16:12,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 12:16:12,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 12:16:12,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 12:16:12,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 12:16:12,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 12:16:12,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 12:16:12,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 12:16:12,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 12:16:12,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 12:16:12,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 12:16:12,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 12:16:12,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 12:16:12,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 12:16:12,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 12:16:12,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 12:16:12,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 12:16:12,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 12:16:12,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 12:16:12,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 12:16:12,514 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 12:16:12,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 12:16:12,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 12:16:12,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 12:16:12,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 12:16:12,547 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 12:16:12,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 12:16:12,548 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 12:16:12,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 12:16:12,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 12:16:12,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 12:16:12,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 12:16:12,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 12:16:12,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 12:16:12,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 12:16:12,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 12:16:12,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 12:16:12,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 12:16:12,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 12:16:12,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 12:16:12,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 12:16:12,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 12:16:12,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 12:16:12,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 12:16:12,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 12:16:12,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 12:16:12,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 12:16:12,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 12:16:12,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 12:16:12,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 12:16:12,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 12:16:12,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 12:16:12,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 12:16:12,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 12:16:12,646 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 12:16:12,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-08-18 12:16:12,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5348b7125/c42a7b96f41842d694ebbeae8755ce28/FLAGae1cf594e [2019-08-18 12:16:13,400 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 12:16:13,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-08-18 12:16:13,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5348b7125/c42a7b96f41842d694ebbeae8755ce28/FLAGae1cf594e [2019-08-18 12:16:13,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5348b7125/c42a7b96f41842d694ebbeae8755ce28 [2019-08-18 12:16:13,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 12:16:13,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 12:16:13,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 12:16:13,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 12:16:13,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 12:16:13,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:16:13" (1/1) ... [2019-08-18 12:16:13,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52da9730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:13, skipping insertion in model container [2019-08-18 12:16:13,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:16:13" (1/1) ... [2019-08-18 12:16:13,600 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 12:16:13,708 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 12:16:14,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:16:14,537 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 12:16:14,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:16:14,907 INFO L192 MainTranslator]: Completed translation [2019-08-18 12:16:14,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14 WrapperNode [2019-08-18 12:16:14,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 12:16:14,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 12:16:14,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 12:16:14,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 12:16:14,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14" (1/1) ... [2019-08-18 12:16:14,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14" (1/1) ... [2019-08-18 12:16:14,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14" (1/1) ... [2019-08-18 12:16:14,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14" (1/1) ... [2019-08-18 12:16:15,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14" (1/1) ... [2019-08-18 12:16:15,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14" (1/1) ... [2019-08-18 12:16:15,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14" (1/1) ... [2019-08-18 12:16:15,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 12:16:15,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 12:16:15,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 12:16:15,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 12:16:15,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:16:14" (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 12:16:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 12:16:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 12:16:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 12:16:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 12:16:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 12:16:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-18 12:16:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 12:16:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 12:16:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 12:16:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 12:16:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 12:16:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 12:16:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 12:16:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 12:16:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 12:16:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 12:16:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 12:16:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 12:16:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 12:16:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 12:16:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 12:16:17,886 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 12:16:17,887 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 12:16:17,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:16:17 BoogieIcfgContainer [2019-08-18 12:16:17,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 12:16:17,889 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 12:16:17,889 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 12:16:17,890 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 12:16:17,890 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:16:17" (1/1) ... [2019-08-18 12:16:17,905 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 12:16:17,909 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 12:16:17,928 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 12:16:17,936 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 12:16:17,939 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 12:16:18,126 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:16:18,127 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:16:18,128 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:16:18,128 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:16:18,141 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2019-08-18 12:16:18,142 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 12:16:19,033 WARN L188 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2019-08-18 12:16:19,034 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:16:19,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,074 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,077 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:16:19,082 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2019-08-18 12:16:19,082 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 12:16:19,928 WARN L188 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-08-18 12:16:19,929 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:16:19,930 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 12:16:19,931 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:409, output treesize:423 [2019-08-18 12:16:19,993 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 491