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.5.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 20:20:06,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 20:20:06,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 20:20:06,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 20:20:06,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 20:20:06,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 20:20:06,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 20:20:06,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 20:20:06,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 20:20:06,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 20:20:06,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 20:20:06,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 20:20:06,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 20:20:06,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 20:20:06,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 20:20:06,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 20:20:06,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 20:20:06,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 20:20:06,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 20:20:06,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 20:20:06,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 20:20:06,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 20:20:06,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 20:20:06,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 20:20:06,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 20:20:06,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 20:20:06,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 20:20:06,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 20:20:06,384 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 [2019-08-31 20:20:06,407 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 20:20:06,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 20:20:06,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 20:20:06,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 20:20:06,409 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 20:20:06,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 20:20:06,409 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 20:20:06,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 20:20:06,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 20:20:06,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 20:20:06,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 20:20:06,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 20:20:06,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 20:20:06,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 20:20:06,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 20:20:06,411 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 20:20:06,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 20:20:06,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 20:20:06,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 20:20:06,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 20:20:06,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 20:20:06,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 20:20:06,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 20:20:06,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 20:20:06,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 20:20:06,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 20:20:06,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 20:20:06,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 20:20:06,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 20:20:06,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 20:20:06,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 20:20:06,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 20:20:06,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 20:20:06,458 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 20:20:06,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.5.ufo.BOUNDED-10.pals.c [2019-08-31 20:20:06,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d051256/8c19d708fdc045a680fb875f017977d8/FLAG78b3cd35e [2019-08-31 20:20:07,104 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 20:20:07,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.5.ufo.BOUNDED-10.pals.c [2019-08-31 20:20:07,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d051256/8c19d708fdc045a680fb875f017977d8/FLAG78b3cd35e [2019-08-31 20:20:07,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d051256/8c19d708fdc045a680fb875f017977d8 [2019-08-31 20:20:07,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 20:20:07,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 20:20:07,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 20:20:07,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 20:20:07,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 20:20:07,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:20:07" (1/1) ... [2019-08-31 20:20:07,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef3a15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:07, skipping insertion in model container [2019-08-31 20:20:07,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:20:07" (1/1) ... [2019-08-31 20:20:07,367 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 20:20:07,453 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 20:20:08,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 20:20:08,198 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 20:20:08,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 20:20:08,340 INFO L192 MainTranslator]: Completed translation [2019-08-31 20:20:08,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08 WrapperNode [2019-08-31 20:20:08,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 20:20:08,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 20:20:08,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 20:20:08,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 20:20:08,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08" (1/1) ... [2019-08-31 20:20:08,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08" (1/1) ... [2019-08-31 20:20:08,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08" (1/1) ... [2019-08-31 20:20:08,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08" (1/1) ... [2019-08-31 20:20:08,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08" (1/1) ... [2019-08-31 20:20:08,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08" (1/1) ... [2019-08-31 20:20:08,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08" (1/1) ... [2019-08-31 20:20:08,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 20:20:08,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 20:20:08,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 20:20:08,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 20:20:08,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:20:08" (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 [2019-08-31 20:20:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 20:20:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 20:20:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 20:20:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 20:20:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 20:20:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 20:20:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-31 20:20:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 20:20:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 20:20:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 20:20:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 20:20:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 20:20:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 20:20:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 20:20:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 20:20:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 20:20:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 20:20:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 20:20:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 20:20:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 20:20:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 20:20:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 20:20:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 20:20:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 20:20:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 20:20:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 20:20:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 20:20:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 20:20:11,257 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 20:20:11,258 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 20:20:11,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:20:11 BoogieIcfgContainer [2019-08-31 20:20:11,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 20:20:11,263 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 20:20:11,263 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 20:20:11,263 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 20:20:11,264 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:20:11" (1/1) ... [2019-08-31 20:20:11,300 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 20:20:11,300 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 20:20:11,312 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 20:20:11,321 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 20:20:11,323 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 20:20:11,509 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 20:20:11,511 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 20:20:11,512 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 20:20:11,513 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 20:20:11,525 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 [2019-08-31 20:20:11,526 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 20:20:12,634 WARN L188 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 278 [2019-08-31 20:20:12,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 20:20:12,663 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 20:20:12,677 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 [2019-08-31 20:20:12,678 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 20:20:13,637 WARN L188 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2019-08-31 20:20:13,638 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 20:20:13,639 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 20:20:13,640 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:400, output treesize:414 [2019-08-31 20:20:13,741 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 634 for LOIs