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 --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:37:43,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:37:43,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:37:43,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:37:43,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:37:43,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:37:43,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:37:43,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:37:43,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:37:43,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:37:43,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:37:43,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:37:43,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:37:43,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:37:43,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:37:43,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:37:43,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:37:43,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:37:43,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:37:43,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:37:43,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:37:43,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:37:43,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:37:43,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:37:43,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:37:43,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:37:43,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:37:43,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:37:43,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:37:43,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:37:43,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:37:43,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:37:43,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:37:43,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:37:43,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:37:43,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:37:43,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:37:43,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:37:43,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:37:43,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:37:43,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:37:43,099 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 [2019-09-06 14:37:43,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:37:43,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:37:43,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:37:43,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:37:43,140 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:37:43,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:37:43,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:37:43,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:37:43,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:37:43,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:37:43,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:37:43,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:37:43,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:37:43,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:37:43,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:37:43,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:37:43,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:37:43,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:37:43,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:37:43,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:37:43,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:37:43,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:37:43,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:37:43,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:37:43,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:37:43,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:37:43,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:37:43,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:37:43,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 14:37:43,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:37:43,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:37:43,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:37:43,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:37:43,201 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:37:43,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 14:37:43,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca699f25/942793eaf38441a7b3126dc19dbc2a66/FLAG25b4d0a70 [2019-09-06 14:37:43,798 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:37:43,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-06 14:37:43,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca699f25/942793eaf38441a7b3126dc19dbc2a66/FLAG25b4d0a70 [2019-09-06 14:37:44,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cca699f25/942793eaf38441a7b3126dc19dbc2a66 [2019-09-06 14:37:44,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:37:44,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:37:44,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:37:44,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:37:44,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:37:44,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4967aa79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44, skipping insertion in model container [2019-09-06 14:37:44,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:37:44,150 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:37:44,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:37:44,682 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:37:44,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:37:44,870 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:37:44,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44 WrapperNode [2019-09-06 14:37:44,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:37:44,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:37:44,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:37:44,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:37:44,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44" (1/1) ... [2019-09-06 14:37:44,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:37:44,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:37:44,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:37:44,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:37:44,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:37:44" (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 [2019-09-06 14:37:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:37:45,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:37:45,066 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:37:45,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:37:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:37:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:37:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:37:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:37:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:37:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:37:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:37:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:37:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:37:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:37:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:37:45,070 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:37:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:37:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:37:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:37:46,608 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:37:46,609 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:37:46,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:37:46 BoogieIcfgContainer [2019-09-06 14:37:46,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:37:46,611 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:37:46,611 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:37:46,612 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:37:46,613 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:37:46" (1/1) ... [2019-09-06 14:37:46,614 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 14:37:46,637 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:37:46,638 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:37:46,648 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:37:46,659 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:37:46,660 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:37:46,845 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 401 for LOIs