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.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 12:14:30,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 12:14:30,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 12:14:30,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 12:14:30,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 12:14:30,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 12:14:30,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 12:14:30,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 12:14:30,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 12:14:30,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 12:14:30,117 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 12:14:30,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 12:14:30,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 12:14:30,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 12:14:30,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 12:14:30,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 12:14:30,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 12:14:30,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 12:14:30,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 12:14:30,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 12:14:30,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 12:14:30,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 12:14:30,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 12:14:30,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 12:14:30,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 12:14:30,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 12:14:30,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 12:14:30,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 12:14:30,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 12:14:30,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 12:14:30,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 12:14:30,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 12:14:30,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 12:14:30,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 12:14:30,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 12:14:30,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 12:14:30,167 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 12:14:30,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 12:14:30,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 12:14:30,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 12:14:30,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 12:14:30,184 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 12:14:30,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 12:14:30,184 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 12:14:30,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 12:14:30,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 12:14:30,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 12:14:30,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 12:14:30,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 12:14:30,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 12:14:30,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 12:14:30,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 12:14:30,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 12:14:30,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 12:14:30,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 12:14:30,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 12:14:30,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 12:14:30,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 12:14:30,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 12:14:30,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 12:14:30,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 12:14:30,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 12:14:30,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 12:14:30,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 12:14:30,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 12:14:30,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 12:14:30,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 12:14:30,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 12:14:30,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 12:14:30,239 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 12:14:30,240 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 12:14:30,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2019-08-18 12:14:30,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87165b7d6/68dbe88aa1f142dc812d2e786853e1d1/FLAGb212e3821 [2019-08-18 12:14:31,066 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 12:14:31,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2019-08-18 12:14:31,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87165b7d6/68dbe88aa1f142dc812d2e786853e1d1/FLAGb212e3821 [2019-08-18 12:14:31,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87165b7d6/68dbe88aa1f142dc812d2e786853e1d1 [2019-08-18 12:14:31,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 12:14:31,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 12:14:31,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 12:14:31,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 12:14:31,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 12:14:31,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:14:31" (1/1) ... [2019-08-18 12:14:31,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da1165f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:31, skipping insertion in model container [2019-08-18 12:14:31,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:14:31" (1/1) ... [2019-08-18 12:14:31,158 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 12:14:31,329 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 12:14:32,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:14:32,553 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 12:14:33,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:14:33,687 INFO L192 MainTranslator]: Completed translation [2019-08-18 12:14:33,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33 WrapperNode [2019-08-18 12:14:33,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 12:14:33,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 12:14:33,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 12:14:33,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 12:14:33,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33" (1/1) ... [2019-08-18 12:14:33,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33" (1/1) ... [2019-08-18 12:14:33,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33" (1/1) ... [2019-08-18 12:14:33,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33" (1/1) ... [2019-08-18 12:14:33,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33" (1/1) ... [2019-08-18 12:14:33,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33" (1/1) ... [2019-08-18 12:14:33,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33" (1/1) ... [2019-08-18 12:14:33,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 12:14:33,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 12:14:33,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 12:14:33,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 12:14:33,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:14:33" (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 12:14:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 12:14:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 12:14:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 12:14:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 12:14:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 12:14:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-18 12:14:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-18 12:14:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 12:14:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-18 12:14:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-18 12:14:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-18 12:14:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-18 12:14:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-18 12:14:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-18 12:14:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-18 12:14:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-18 12:14:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 12:14:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 12:14:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 12:14:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 12:14:38,283 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 12:14:38,283 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 12:14:38,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:14:38 BoogieIcfgContainer [2019-08-18 12:14:38,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 12:14:38,287 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 12:14:38,287 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 12:14:38,287 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 12:14:38,289 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:14:38" (1/1) ... [2019-08-18 12:14:38,303 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 12:14:38,306 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 12:14:38,321 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 12:14:38,331 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 12:14:38,333 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 12:14:38,585 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:14:38,586 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:14:38,589 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:14:38,590 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 12:14:38,610 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 12:14:38,611 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 12:14:39,907 WARN L188 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 294 [2019-08-18 12:14:39,908 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:14:39,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,962 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,964 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:14:39,974 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 12:14:39,975 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 12:14:41,155 WARN L188 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 297 [2019-08-18 12:14:41,155 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:14:41,156 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 12:14:41,157 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:424, output treesize:438 [2019-08-18 12:14:41,220 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 511