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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 13:01:17,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 13:01:17,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 13:01:17,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 13:01:17,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 13:01:17,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 13:01:17,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 13:01:17,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 13:01:17,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 13:01:17,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 13:01:17,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 13:01:17,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 13:01:17,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 13:01:17,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 13:01:17,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 13:01:17,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 13:01:17,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 13:01:17,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 13:01:17,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 13:01:17,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 13:01:17,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 13:01:17,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 13:01:17,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 13:01:17,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 13:01:17,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 13:01:17,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 13:01:17,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 13:01:17,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 13:01:17,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 13:01:17,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 13:01:17,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 13:01:17,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 13:01:17,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 13:01:17,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 13:01:17,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 13:01:17,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 13:01:17,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 13:01:17,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 13:01:17,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 13:01:17,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 13:01:17,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 13:01:17,135 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 [2019-10-04 13:01:17,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 13:01:17,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 13:01:17,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 13:01:17,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 13:01:17,162 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 13:01:17,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 13:01:17,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 13:01:17,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 13:01:17,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 13:01:17,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 13:01:17,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 13:01:17,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 13:01:17,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 13:01:17,165 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 13:01:17,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 13:01:17,166 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 13:01:17,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 13:01:17,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 13:01:17,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 13:01:17,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 13:01:17,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 13:01:17,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 13:01:17,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 13:01:17,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 13:01:17,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 13:01:17,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 13:01:17,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 13:01:17,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 13:01:17,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 13:01:17,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 13:01:17,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 13:01:17,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 13:01:17,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 13:01:17,241 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 13:01:17,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-10-04 13:01:17,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f756983/784d1e5b0fb941a1985eb6da95294fd5/FLAGe08ab1d21 [2019-10-04 13:01:17,917 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 13:01:17,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-10-04 13:01:17,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f756983/784d1e5b0fb941a1985eb6da95294fd5/FLAGe08ab1d21 [2019-10-04 13:01:18,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54f756983/784d1e5b0fb941a1985eb6da95294fd5 [2019-10-04 13:01:18,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 13:01:18,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 13:01:18,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 13:01:18,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 13:01:18,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 13:01:18,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:01:18" (1/1) ... [2019-10-04 13:01:18,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd45ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:18, skipping insertion in model container [2019-10-04 13:01:18,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:01:18" (1/1) ... [2019-10-04 13:01:18,185 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 13:01:18,261 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 13:01:18,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:01:18,995 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 13:01:19,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:01:19,377 INFO L192 MainTranslator]: Completed translation [2019-10-04 13:01:19,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19 WrapperNode [2019-10-04 13:01:19,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 13:01:19,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 13:01:19,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 13:01:19,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 13:01:19,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19" (1/1) ... [2019-10-04 13:01:19,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19" (1/1) ... [2019-10-04 13:01:19,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19" (1/1) ... [2019-10-04 13:01:19,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19" (1/1) ... [2019-10-04 13:01:19,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19" (1/1) ... [2019-10-04 13:01:19,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19" (1/1) ... [2019-10-04 13:01:19,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19" (1/1) ... [2019-10-04 13:01:19,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 13:01:19,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 13:01:19,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 13:01:19,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 13:01:19,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:01:19" (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 [2019-10-04 13:01:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 13:01:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 13:01:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 13:01:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 13:01:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-04 13:01:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-04 13:01:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-04 13:01:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 13:01:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-04 13:01:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-04 13:01:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-04 13:01:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-04 13:01:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-04 13:01:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-04 13:01:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-04 13:01:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 13:01:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 13:01:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 13:01:22,592 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 13:01:22,593 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 13:01:22,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:01:22 BoogieIcfgContainer [2019-10-04 13:01:22,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 13:01:22,596 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 13:01:22,596 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 13:01:22,596 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 13:01:22,598 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:01:22" (1/1) ... [2019-10-04 13:01:22,598 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 13:01:22,638 INFO L162 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-10-04 13:01:22,638 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 13:01:22,659 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 13:01:22,672 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 13:01:22,673 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 13:01:23,014 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-04 13:01:23,401 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-04 13:01:23,624 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2019-10-04 13:01:23,683 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 338 for LOIs