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 -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 23:58:47,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 23:58:47,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 23:58:47,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 23:58:47,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 23:58:47,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 23:58:47,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 23:58:47,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 23:58:47,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 23:58:47,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 23:58:47,611 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 23:58:47,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 23:58:47,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 23:58:47,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 23:58:47,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 23:58:47,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 23:58:47,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 23:58:47,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 23:58:47,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 23:58:47,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 23:58:47,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 23:58:47,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 23:58:47,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 23:58:47,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 23:58:47,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 23:58:47,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 23:58:47,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 23:58:47,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 23:58:47,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 23:58:47,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 23:58:47,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 23:58:47,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 23:58:47,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 23:58:47,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 23:58:47,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 23:58:47,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 23:58:47,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 23:58:47,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 23:58:47,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 23:58:47,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 23:58:47,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 23:58:47,640 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 [2019-08-14 23:58:47,655 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 23:58:47,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 23:58:47,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 23:58:47,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 23:58:47,657 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 23:58:47,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 23:58:47,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 23:58:47,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 23:58:47,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 23:58:47,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 23:58:47,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 23:58:47,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 23:58:47,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 23:58:47,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 23:58:47,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 23:58:47,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 23:58:47,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 23:58:47,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 23:58:47,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 23:58:47,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 23:58:47,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 23:58:47,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 23:58:47,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 23:58:47,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 23:58:47,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 23:58:47,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 23:58:47,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 23:58:47,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 23:58:47,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 23:58:47,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 23:58:47,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 23:58:47,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 23:58:47,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 23:58:47,709 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 23:58:47,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2019-08-14 23:58:47,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1906ec0/ea56c85dd3a040e88a6ef6b8b10d5792/FLAGeaffae98e [2019-08-14 23:58:48,399 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 23:58:48,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2019-08-14 23:58:48,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1906ec0/ea56c85dd3a040e88a6ef6b8b10d5792/FLAGeaffae98e [2019-08-14 23:58:48,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1906ec0/ea56c85dd3a040e88a6ef6b8b10d5792 [2019-08-14 23:58:48,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 23:58:48,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 23:58:48,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 23:58:48,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 23:58:48,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 23:58:48,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:58:48" (1/1) ... [2019-08-14 23:58:48,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20125997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:48, skipping insertion in model container [2019-08-14 23:58:48,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:58:48" (1/1) ... [2019-08-14 23:58:48,564 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 23:58:48,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 23:58:50,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:58:50,299 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 23:58:51,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 23:58:51,380 INFO L192 MainTranslator]: Completed translation [2019-08-14 23:58:51,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51 WrapperNode [2019-08-14 23:58:51,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 23:58:51,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 23:58:51,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 23:58:51,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 23:58:51,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51" (1/1) ... [2019-08-14 23:58:51,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51" (1/1) ... [2019-08-14 23:58:51,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51" (1/1) ... [2019-08-14 23:58:51,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51" (1/1) ... [2019-08-14 23:58:51,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51" (1/1) ... [2019-08-14 23:58:51,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51" (1/1) ... [2019-08-14 23:58:51,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51" (1/1) ... [2019-08-14 23:58:51,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 23:58:51,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 23:58:51,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 23:58:51,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 23:58:51,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:58:51" (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 [2019-08-14 23:58:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 23:58:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 23:58:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 23:58:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 23:58:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-14 23:58:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 23:58:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-14 23:58:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 23:58:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-14 23:58:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-14 23:58:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-14 23:58:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-14 23:58:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-14 23:58:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-14 23:58:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-14 23:58:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 23:58:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 23:58:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 23:58:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 23:58:54,836 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 23:58:54,837 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 23:58:54,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:58:54 BoogieIcfgContainer [2019-08-14 23:58:54,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 23:58:54,839 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 23:58:54,839 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 23:58:54,840 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 23:58:54,841 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:58:54" (1/1) ... [2019-08-14 23:58:55,784 WARN L188 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2019-08-14 23:58:56,480 WARN L188 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 238