java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:45:05,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:45:05,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:45:05,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:45:05,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:45:05,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:45:05,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:45:05,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:45:05,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:45:05,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:45:05,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:45:05,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:45:05,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:45:05,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:45:05,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:45:05,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:45:05,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:45:05,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:45:05,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:45:05,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:45:05,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:45:05,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:45:05,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:45:05,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:45:05,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:45:05,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:45:05,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:45:05,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:45:05,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:45:05,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:45:05,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:45:05,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:45:05,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:45:05,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:45:05,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:45:05,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:45:05,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:45:05,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:45:05,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:45:05,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:45:05,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:45:05,143 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 [2019-10-14 00:45:05,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:45:05,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:45:05,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:45:05,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:45:05,166 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:45:05,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:45:05,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:45:05,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:45:05,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:45:05,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:45:05,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:45:05,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:45:05,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:45:05,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:45:05,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:45:05,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:45:05,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:45:05,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:45:05,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:45:05,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:45:05,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:45:05,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:45:05,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:45:05,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:45:05,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:45:05,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:45:05,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:45:05,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:45:05,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:45:05,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:45:05,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:45:05,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:45:05,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:45:05,485 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:45:05,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-10-14 00:45:05,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263a8f2c0/60d481fa677a4d06aff9f9b93ff969e5/FLAGdc400cea4 [2019-10-14 00:45:06,350 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:45:06,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2019-10-14 00:45:06,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263a8f2c0/60d481fa677a4d06aff9f9b93ff969e5/FLAGdc400cea4 [2019-10-14 00:45:06,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/263a8f2c0/60d481fa677a4d06aff9f9b93ff969e5 [2019-10-14 00:45:06,508 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:45:06,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:45:06,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:45:06,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:45:06,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:45:06,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:45:06" (1/1) ... [2019-10-14 00:45:06,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284d3eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:06, skipping insertion in model container [2019-10-14 00:45:06,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:45:06" (1/1) ... [2019-10-14 00:45:06,528 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:45:06,695 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:45:07,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:45:07,842 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:45:08,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:45:08,210 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:45:08,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08 WrapperNode [2019-10-14 00:45:08,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:45:08,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:45:08,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:45:08,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:45:08,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08" (1/1) ... [2019-10-14 00:45:08,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08" (1/1) ... [2019-10-14 00:45:08,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08" (1/1) ... [2019-10-14 00:45:08,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08" (1/1) ... [2019-10-14 00:45:08,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08" (1/1) ... [2019-10-14 00:45:08,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08" (1/1) ... [2019-10-14 00:45:08,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08" (1/1) ... [2019-10-14 00:45:08,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:45:08,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:45:08,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:45:08,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:45:08,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:45:08" (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 [2019-10-14 00:45:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:45:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:45:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:45:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:45:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-14 00:45:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-14 00:45:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-14 00:45:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 00:45:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-14 00:45:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-10-14 00:45:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-10-14 00:45:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-10-14 00:45:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-10-14 00:45:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-14 00:45:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-14 00:45:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:45:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:45:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:45:12,519 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:45:12,520 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:45:12,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:12 BoogieIcfgContainer [2019-10-14 00:45:12,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:45:12,524 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:45:12,524 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:45:12,524 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:45:12,525 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:12" (1/1) ... [2019-10-14 00:45:12,591 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:45:13,089 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.