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.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:18:04,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:18:04,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:18:04,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:18:04,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:18:04,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:18:04,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:18:04,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:18:04,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:18:04,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:18:04,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:18:04,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:18:04,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:18:04,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:18:04,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:18:04,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:18:04,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:18:04,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:18:04,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:18:04,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:18:04,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:18:04,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:18:04,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:18:04,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:18:04,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:18:04,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:18:04,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:18:04,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:18:04,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:18:04,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:18:04,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:18:04,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:18:04,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:18:04,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:18:04,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:18:04,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:18:04,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:18:04,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:18:04,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:18:04,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:18:04,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:18:04,845 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 14:18:04,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:18:04,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:18:04,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:18:04,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:18:04,875 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:18:04,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:18:04,875 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:18:04,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:18:04,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:18:04,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:18:04,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:18:04,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:18:04,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:18:04,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:18:04,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:18:04,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:18:04,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:18:04,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:18:04,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:18:04,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:18:04,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:18:04,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:18:04,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:18:04,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:18:04,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:18:04,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:18:04,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:18:04,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:18:04,882 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 14:18:04,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:18:04,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:18:04,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:18:04,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:18:04,971 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:18:04,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 14:18:05,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2082a9368/c2bdfcfbd7914a36953db3203fe2f0dd/FLAG3bc070b9d [2019-09-06 14:18:05,640 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:18:05,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 14:18:05,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2082a9368/c2bdfcfbd7914a36953db3203fe2f0dd/FLAG3bc070b9d [2019-09-06 14:18:05,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2082a9368/c2bdfcfbd7914a36953db3203fe2f0dd [2019-09-06 14:18:05,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:18:05,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:18:05,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:18:05,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:18:05,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:18:05,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:18:05" (1/1) ... [2019-09-06 14:18:05,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd59b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:05, skipping insertion in model container [2019-09-06 14:18:05,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:18:05" (1/1) ... [2019-09-06 14:18:05,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:18:05,919 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:18:06,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:18:06,623 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:18:07,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:18:07,122 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:18:07,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07 WrapperNode [2019-09-06 14:18:07,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:18:07,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:18:07,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:18:07,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:18:07,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07" (1/1) ... [2019-09-06 14:18:07,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07" (1/1) ... [2019-09-06 14:18:07,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07" (1/1) ... [2019-09-06 14:18:07,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07" (1/1) ... [2019-09-06 14:18:07,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07" (1/1) ... [2019-09-06 14:18:07,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07" (1/1) ... [2019-09-06 14:18:07,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07" (1/1) ... [2019-09-06 14:18:07,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:18:07,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:18:07,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:18:07,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:18:07,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:18:07" (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 14:18:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:18:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:18:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:18:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:18:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:18:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:18:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:18:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:18:07,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:18:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:18:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:18:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:18:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:18:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:18:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:18:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:18:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:18:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:18:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:18:09,372 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:18:09,374 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:18:09,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:18:09 BoogieIcfgContainer [2019-09-06 14:18:09,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:18:09,378 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:18:09,378 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:18:09,378 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:18:09,381 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:18:09" (1/1) ... [2019-09-06 14:18:09,385 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 14:18:09,440 INFO L162 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-09-06 14:18:09,441 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:18:09,470 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:18:09,483 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:18:09,485 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:18:09,714 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 303 for LOIs [2019-09-06 14:19:09,377 WARN L188 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 397 DAG size of output: 373 [2019-09-06 14:19:13,710 WARN L188 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 401 DAG size of output: 377 [2019-09-06 14:22:49,197 WARN L188 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 397 DAG size of output: 373 [2019-09-06 14:22:53,578 WARN L188 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 401 DAG size of output: 377 [2019-09-06 14:26:14,782 WARN L188 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 401 DAG size of output: 377 [2019-09-06 14:26:18,826 WARN L188 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 397 DAG size of output: 372 [2019-09-06 14:29:40,840 WARN L188 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 401 DAG size of output: 376 [2019-09-06 14:29:44,966 WARN L188 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 397 DAG size of output: 373