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.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:28:16,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:28:16,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:28:16,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:28:16,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:28:16,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:28:16,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:28:16,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:28:16,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:28:16,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:28:16,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:28:16,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:28:16,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:28:16,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:28:16,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:28:16,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:28:16,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:28:16,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:28:16,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:28:16,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:28:16,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:28:16,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:28:16,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:28:16,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:28:16,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:28:16,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:28:16,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:28:16,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:28:16,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:28:16,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:28:16,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:28:16,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:28:16,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:28:16,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:28:16,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:28:16,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:28:16,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:28:16,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:28:16,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:28:16,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:28:16,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:28:16,756 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 14:28:16,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:28:16,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:28:16,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:28:16,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:28:16,773 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:28:16,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:28:16,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:28:16,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:28:16,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:28:16,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:28:16,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:28:16,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:28:16,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:28:16,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:28:16,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:28:16,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:28:16,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:28:16,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:28:16,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:28:16,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:28:16,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:28:16,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:28:16,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:28:16,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:28:16,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:28:16,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:28:16,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:28:16,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:28:16,778 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 14:28:16,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:28:16,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:28:16,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:28:16,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:28:16,827 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:28:16,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:28:16,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492cd3622/8fbbc09566ab4af28244f3cb5988a00d/FLAG667d940c1 [2019-09-06 14:28:17,425 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:28:17,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:28:17,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492cd3622/8fbbc09566ab4af28244f3cb5988a00d/FLAG667d940c1 [2019-09-06 14:28:17,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492cd3622/8fbbc09566ab4af28244f3cb5988a00d [2019-09-06 14:28:17,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:28:17,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:28:17,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:28:17,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:28:17,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:28:17,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:28:17" (1/1) ... [2019-09-06 14:28:17,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a379ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:17, skipping insertion in model container [2019-09-06 14:28:17,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:28:17" (1/1) ... [2019-09-06 14:28:17,731 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:28:17,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:28:18,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:28:18,389 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:28:18,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:28:18,580 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:28:18,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18 WrapperNode [2019-09-06 14:28:18,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:28:18,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:28:18,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:28:18,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:28:18,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18" (1/1) ... [2019-09-06 14:28:18,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18" (1/1) ... [2019-09-06 14:28:18,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18" (1/1) ... [2019-09-06 14:28:18,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18" (1/1) ... [2019-09-06 14:28:18,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18" (1/1) ... [2019-09-06 14:28:18,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18" (1/1) ... [2019-09-06 14:28:18,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18" (1/1) ... [2019-09-06 14:28:18,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:28:18,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:28:18,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:28:18,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:28:18,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:28:18" (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 14:28:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:28:18,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:28:18,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:28:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:28:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:28:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:28:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:28:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:28:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:28:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:28:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:28:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:28:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:28:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:28:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:28:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:28:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:28:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:28:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:28:20,331 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:28:20,332 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:28:20,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:28:20 BoogieIcfgContainer [2019-09-06 14:28:20,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:28:20,334 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:28:20,334 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:28:20,334 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:28:20,335 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:28:20" (1/1) ... [2019-09-06 14:28:20,336 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 14:28:20,358 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:28:20,359 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:28:20,370 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:28:20,380 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:28:20,382 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:28:20,586 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 268 for LOIs [2019-09-06 14:28:51,342 WARN L188 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:28:54,813 WARN L188 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:29:13,319 WARN L188 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:29:16,654 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:29:31,986 WARN L188 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:29:35,306 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:29:41,222 WARN L188 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:29:44,527 WARN L188 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:29:54,343 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:29:57,628 WARN L188 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:30:13,376 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:30:16,698 WARN L188 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:30:21,931 WARN L188 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:30:25,252 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:30:40,021 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:30:43,340 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:30:58,133 WARN L188 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:31:01,404 WARN L188 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:31:06,674 WARN L188 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:31:09,907 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:31:15,199 WARN L188 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:31:18,519 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:31:25,443 WARN L188 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:31:28,723 WARN L188 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:31:37,852 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:31:41,320 WARN L188 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:31:48,538 WARN L188 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:31:51,923 WARN L188 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:31:58,937 WARN L188 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:32:02,387 WARN L188 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:32:13,725 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:32:17,236 WARN L188 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:32:21,981 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:32:25,501 WARN L188 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:32:30,061 WARN L188 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:32:33,439 WARN L188 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:32:38,123 WARN L188 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:32:41,599 WARN L188 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:32:46,027 WARN L188 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:32:49,426 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:32:55,570 WARN L188 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:32:58,984 WARN L188 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:33:03,387 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:33:06,868 WARN L188 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:33:07,411 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:33:07,411 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:33:07,413 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 231925#(or (and (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= 0 main_~check__tmp~4) (<= main_~check__tmp~4 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= main_~assert__arg~3 1) (<= 0 ~__return_2581~0) (<= main_~__tmp_4~0 1) (<= ~__return_2581~0 1)) (and (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= main_~check__tmp~3 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= main_~assert__arg~3 1) (<= 0 main_~check__tmp~3) (<= main_~__tmp_4~0 1) (<= 0 ~__return_2456~0) (<= ~__return_2456~0 1))) [2019-09-06 14:33:07,429 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:33:07,429 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:33:07,431 INFO L168 Benchmark]: Toolchain (without parser) took 289715.41 ms. Allocated memory was 139.5 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 85.6 MB in the beginning and 186.1 MB in the end (delta: -100.5 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-09-06 14:33:07,432 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-06 14:33:07,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.83 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.4 MB in the beginning and 166.5 MB in the end (delta: -81.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2019-09-06 14:33:07,434 INFO L168 Benchmark]: Boogie Preprocessor took 100.81 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 162.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-06 14:33:07,434 INFO L168 Benchmark]: RCFGBuilder took 1651.13 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 162.4 MB in the beginning and 144.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-06 14:33:07,435 INFO L168 Benchmark]: Sifa took 287095.79 ms. Allocated memory was 224.4 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 144.6 MB in the beginning and 186.1 MB in the end (delta: -41.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-09-06 14:33:07,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 863.83 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 85.4 MB in the beginning and 166.5 MB in the end (delta: -81.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.81 ms. Allocated memory is still 200.3 MB. Free memory was 166.5 MB in the beginning and 162.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1651.13 ms. Allocated memory was 200.3 MB in the beginning and 224.4 MB in the end (delta: 24.1 MB). Free memory was 162.4 MB in the beginning and 144.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 287095.79 ms. Allocated memory was 224.4 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 144.6 MB in the beginning and 186.1 MB in the end (delta: -41.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 287055, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 160204, DAG_INTERPRETER_EARLY_EXITS: 3059, TOOLS_POST_APPLICATIONS: 156423, TOOLS_POST_TIME[ms]: 169325, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 78, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 22, TOOLS_QUANTIFIERELIM_TIME[ms]: 157929, FLUID_QUERY_TIME[ms]: 1101, FLUID_QUERIES: 160254, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 75472, DOMAIN_JOIN_TIME[ms]: 23591, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 25, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 50, DOMAIN_ISSUBSETEQ_TIME[ms]: 32, DOMAIN_ISBOTTOM_APPLICATIONS: 62555, DOMAIN_ISBOTTOM_TIME[ms]: 73577, LOOP_SUMMARIZER_APPLICATIONS: 25, LOOP_SUMMARIZER_CACHE_MISSES: 25, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 51315, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51311, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 50, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 69, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 73, REGEX_TO_DAG_TIME[ms]: 212, DAG_COMPRESSION_TIME[ms]: 12114, DAG_COMPRESSION_PROCESSED_NODES: 722125, DAG_COMPRESSION_RETAINED_NODES: 276483 - UnprovableResult [Line: 919]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 231925#(or (and (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= 0 main_~check__tmp~4) (<= main_~check__tmp~4 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= main_~assert__arg~3 1) (<= 0 ~__return_2581~0) (<= main_~__tmp_4~0 1) (<= ~__return_2581~0 1)) (and (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= main_~check__tmp~3 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= main_~assert__arg~3 1) (<= 0 main_~check__tmp~3) (<= main_~__tmp_4~0 1) (<= 0 ~__return_2456~0) (<= ~__return_2456~0 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...