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_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 13:54:19,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 13:54:19,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 13:54:19,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 13:54:19,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 13:54:19,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 13:54:19,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 13:54:19,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 13:54:19,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 13:54:19,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 13:54:19,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 13:54:19,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 13:54:19,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 13:54:19,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 13:54:19,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 13:54:19,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 13:54:19,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 13:54:19,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 13:54:19,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 13:54:19,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 13:54:19,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 13:54:19,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 13:54:19,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 13:54:19,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 13:54:19,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 13:54:19,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 13:54:19,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 13:54:19,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 13:54:19,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 13:54:19,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 13:54:19,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 13:54:19,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 13:54:19,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 13:54:19,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 13:54:19,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 13:54:19,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 13:54:19,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 13:54:19,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 13:54:19,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 13:54:19,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 13:54:19,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 13:54:19,245 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 13:54:19,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 13:54:19,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 13:54:19,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 13:54:19,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 13:54:19,261 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 13:54:19,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 13:54:19,262 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 13:54:19,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 13:54:19,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 13:54:19,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 13:54:19,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 13:54:19,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 13:54:19,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 13:54:19,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 13:54:19,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 13:54:19,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 13:54:19,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 13:54:19,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 13:54:19,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 13:54:19,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 13:54:19,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 13:54:19,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:54:19,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 13:54:19,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 13:54:19,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 13:54:19,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 13:54:19,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 13:54:19,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 13:54:19,266 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 13:54:19,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 13:54:19,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 13:54:19,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 13:54:19,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 13:54:19,316 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 13:54:19,317 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-06 13:54:19,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c3a84c9/3b9399a9357d41d593a2f970d58d3ca8/FLAG33fe110b3 [2019-09-06 13:54:19,911 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 13:54:19,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-06 13:54:19,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c3a84c9/3b9399a9357d41d593a2f970d58d3ca8/FLAG33fe110b3 [2019-09-06 13:54:20,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52c3a84c9/3b9399a9357d41d593a2f970d58d3ca8 [2019-09-06 13:54:20,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 13:54:20,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 13:54:20,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 13:54:20,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 13:54:20,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 13:54:20,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:20,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75378872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20, skipping insertion in model container [2019-09-06 13:54:20,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:20,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 13:54:20,320 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 13:54:20,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:54:20,799 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 13:54:20,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:54:20,944 INFO L192 MainTranslator]: Completed translation [2019-09-06 13:54:20,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20 WrapperNode [2019-09-06 13:54:20,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 13:54:20,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 13:54:20,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 13:54:20,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 13:54:20,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:20,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:20,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:20,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:21,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:21,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:21,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20" (1/1) ... [2019-09-06 13:54:21,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 13:54:21,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 13:54:21,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 13:54:21,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 13:54:21,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:54:20" (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 13:54:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 13:54:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 13:54:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 13:54:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 13:54:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 13:54:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 13:54:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 13:54:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 13:54:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 13:54:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 13:54:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 13:54:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 13:54:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 13:54:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 13:54:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 13:54:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-06 13:54:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 13:54:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 13:54:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 13:54:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 13:54:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 13:54:22,573 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 13:54:22,574 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 13:54:22,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:54:22 BoogieIcfgContainer [2019-09-06 13:54:22,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 13:54:22,576 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 13:54:22,576 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 13:54:22,577 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 13:54:22,578 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:54:22" (1/1) ... [2019-09-06 13:54:22,579 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 13:54:22,607 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 13:54:22,607 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 13:54:22,630 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 13:54:22,639 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 13:54:22,641 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 13:54:22,775 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 268 for LOIs