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.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 12:07:00,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 12:07:00,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 12:07:00,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 12:07:00,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 12:07:00,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 12:07:00,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 12:07:00,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 12:07:00,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 12:07:00,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 12:07:00,356 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 12:07:00,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 12:07:00,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 12:07:00,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 12:07:00,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 12:07:00,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 12:07:00,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 12:07:00,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 12:07:00,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 12:07:00,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 12:07:00,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 12:07:00,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 12:07:00,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 12:07:00,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 12:07:00,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 12:07:00,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 12:07:00,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 12:07:00,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 12:07:00,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 12:07:00,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 12:07:00,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 12:07:00,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 12:07:00,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 12:07:00,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 12:07:00,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 12:07:00,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 12:07:00,403 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 12:07:00,417 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 12:07:00,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 12:07:00,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 12:07:00,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 12:07:00,419 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 12:07:00,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 12:07:00,419 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 12:07:00,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 12:07:00,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 12:07:00,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 12:07:00,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 12:07:00,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 12:07:00,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 12:07:00,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 12:07:00,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 12:07:00,421 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 12:07:00,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 12:07:00,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 12:07:00,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 12:07:00,422 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 12:07:00,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 12:07:00,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 12:07:00,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 12:07:00,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 12:07:00,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 12:07:00,423 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 12:07:00,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 12:07:00,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 12:07:00,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 12:07:00,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 12:07:00,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 12:07:00,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 12:07:00,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 12:07:00,473 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 12:07:00,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-08-18 12:07:00,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000e3e1f9/3bb82aa3403c4bc0b70b188ddcce39d8/FLAG6dbb051fc [2019-08-18 12:07:01,260 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 12:07:01,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-08-18 12:07:01,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000e3e1f9/3bb82aa3403c4bc0b70b188ddcce39d8/FLAG6dbb051fc [2019-08-18 12:07:01,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/000e3e1f9/3bb82aa3403c4bc0b70b188ddcce39d8 [2019-08-18 12:07:01,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 12:07:01,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 12:07:01,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 12:07:01,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 12:07:01,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 12:07:01,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:07:01" (1/1) ... [2019-08-18 12:07:01,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542e2acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:01, skipping insertion in model container [2019-08-18 12:07:01,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:07:01" (1/1) ... [2019-08-18 12:07:01,483 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 12:07:01,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 12:07:02,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:07:02,803 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 12:07:03,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:07:03,337 INFO L192 MainTranslator]: Completed translation [2019-08-18 12:07:03,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03 WrapperNode [2019-08-18 12:07:03,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 12:07:03,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 12:07:03,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 12:07:03,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 12:07:03,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03" (1/1) ... [2019-08-18 12:07:03,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03" (1/1) ... [2019-08-18 12:07:03,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03" (1/1) ... [2019-08-18 12:07:03,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03" (1/1) ... [2019-08-18 12:07:03,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03" (1/1) ... [2019-08-18 12:07:03,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03" (1/1) ... [2019-08-18 12:07:03,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03" (1/1) ... [2019-08-18 12:07:03,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 12:07:03,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 12:07:03,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 12:07:03,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 12:07:03,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:07:03" (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 12:07:03,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 12:07:03,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 12:07:03,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 12:07:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 12:07:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 12:07:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 12:07:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 12:07:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 12:07:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 12:07:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 12:07:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 12:07:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 12:07:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 12:07:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 12:07:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 12:07:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 12:07:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 12:07:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 12:07:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 12:07:06,375 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 12:07:06,375 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 12:07:06,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:07:06 BoogieIcfgContainer [2019-08-18 12:07:06,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 12:07:06,377 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 12:07:06,378 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 12:07:06,378 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 12:07:06,379 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:07:06" (1/1) ... [2019-08-18 12:07:06,391 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 12:07:06,394 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 12:07:06,411 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 12:07:06,423 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 12:07:06,425 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 12:07:06,536 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:07:06,537 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:07:06,538 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:07:06,550 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 12:07:06,551 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 12:07:07,236 WARN L188 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2019-08-18 12:07:07,238 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:07:07,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:07:07,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:07:07,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:07:07,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:07:07,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:07:07,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:07:07,275 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 12:07:07,276 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 12:07:07,871 WARN L188 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2019-08-18 12:07:07,872 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:07:07,873 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 12:07:07,874 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:307, output treesize:317 [2019-08-18 12:07:07,928 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 372