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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test22-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:28:07,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:28:07,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:28:07,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:28:07,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:28:07,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:28:07,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:28:07,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:28:07,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:28:07,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:28:07,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:28:07,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:28:07,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:28:07,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:28:07,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:28:07,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:28:07,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:28:07,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:28:07,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:28:07,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:28:07,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:28:07,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:28:07,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:28:07,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:28:07,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:28:07,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:28:07,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:28:07,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:28:07,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:28:07,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:28:07,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:28:07,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:28:07,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:28:07,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:28:07,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:28:07,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:28:07,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:28:07,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:28:07,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:28:07,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:28:07,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:28:07,681 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 [2019-09-20 18:28:07,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:28:07,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:28:07,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:28:07,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:28:07,698 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:28:07,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:28:07,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:28:07,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:28:07,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:28:07,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:28:07,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:28:07,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:28:07,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:28:07,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:28:07,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:28:07,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:28:07,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:28:07,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:28:07,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:28:07,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:28:07,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:28:07,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:28:07,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:28:07,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:28:07,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:28:07,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:28:07,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:28:07,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:28:07,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:28:07,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:28:07,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:28:07,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:28:07,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:28:07,753 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:28:07,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-20 18:28:07,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca786564c/5f23683f752c46f9ae85c4dbfe07adc7/FLAG2fcf9fa14 [2019-09-20 18:28:08,266 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:28:08,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-20 18:28:08,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca786564c/5f23683f752c46f9ae85c4dbfe07adc7/FLAG2fcf9fa14 [2019-09-20 18:28:08,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca786564c/5f23683f752c46f9ae85c4dbfe07adc7 [2019-09-20 18:28:08,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:28:08,700 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:28:08,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:28:08,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:28:08,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:28:08,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:28:08" (1/1) ... [2019-09-20 18:28:08,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5878aaf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:08, skipping insertion in model container [2019-09-20 18:28:08,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:28:08" (1/1) ... [2019-09-20 18:28:08,720 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:28:08,739 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:28:08,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:28:08,945 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:28:08,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:28:09,072 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:28:09,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09 WrapperNode [2019-09-20 18:28:09,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:28:09,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:28:09,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:28:09,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:28:09,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:28:09,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:28:09,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:28:09,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:28:09,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (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 [2019-09-20 18:28:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:28:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:28:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 18:28:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 18:28:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 18:28:09,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:28:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:28:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:28:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 18:28:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 18:28:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:28:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 18:28:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 18:28:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:28:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:28:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:28:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:28:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 18:28:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:28:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:28:09,486 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:28:09,487 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 18:28:09,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:28:09 BoogieIcfgContainer [2019-09-20 18:28:09,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:28:09,489 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:28:09,489 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:28:09,490 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:28:09,491 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,492 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:28:09,542 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:28:09,543 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:28:09,560 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:28:09,569 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:28:09,571 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:28:09,803 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 18:28:09,974 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 18:28:10,089 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 47 for LOIs [2019-09-20 18:28:10,325 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-20 18:28:10,469 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 18:28:11,772 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 113 [2019-09-20 18:28:12,135 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 18:28:12,946 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 113 [2019-09-20 18:28:13,312 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 18:28:13,607 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2019-09-20 18:28:13,749 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 18:28:14,111 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 18:28:14,494 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 18:28:15,275 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2019-09-20 18:28:15,662 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 18:28:16,623 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2019-09-20 18:28:17,119 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 18:28:18,102 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2019-09-20 18:28:18,612 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 18:28:19,843 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2019-09-20 18:28:20,429 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 18:28:21,633 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-09-20 18:28:22,240 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 18:28:23,750 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2019-09-20 18:28:24,477 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 18:28:25,916 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2019-09-20 18:28:26,625 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 18:28:28,399 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2019-09-20 18:28:28,449 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:28:28,449 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:28:28,451 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 96#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) [2019-09-20 18:28:28,462 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:28:28,462 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:28:28,463 INFO L168 Benchmark]: Toolchain (without parser) took 19764.05 ms. Allocated memory was 136.8 MB in the beginning and 462.4 MB in the end (delta: 325.6 MB). Free memory was 83.9 MB in the beginning and 201.9 MB in the end (delta: -118.1 MB). Peak memory consumption was 207.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:28,464 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:28:28,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.39 ms. Allocated memory was 136.8 MB in the beginning and 196.6 MB in the end (delta: 59.8 MB). Free memory was 83.7 MB in the beginning and 175.3 MB in the end (delta: -91.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:28,466 INFO L168 Benchmark]: Boogie Preprocessor took 60.55 ms. Allocated memory is still 196.6 MB. Free memory was 174.3 MB in the beginning and 171.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:28,467 INFO L168 Benchmark]: RCFGBuilder took 354.55 ms. Allocated memory is still 196.6 MB. Free memory was 171.9 MB in the beginning and 153.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:28,468 INFO L168 Benchmark]: Sifa took 18972.59 ms. Allocated memory was 196.6 MB in the beginning and 462.4 MB in the end (delta: 265.8 MB). Free memory was 153.9 MB in the beginning and 201.9 MB in the end (delta: -48.0 MB). Peak memory consumption was 217.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:28,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 372.39 ms. Allocated memory was 136.8 MB in the beginning and 196.6 MB in the end (delta: 59.8 MB). Free memory was 83.7 MB in the beginning and 175.3 MB in the end (delta: -91.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.55 ms. Allocated memory is still 196.6 MB. Free memory was 174.3 MB in the beginning and 171.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.55 ms. Allocated memory is still 196.6 MB. Free memory was 171.9 MB in the beginning and 153.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * Sifa took 18972.59 ms. Allocated memory was 196.6 MB in the beginning and 462.4 MB in the end (delta: 265.8 MB). Free memory was 153.9 MB in the beginning and 201.9 MB in the end (delta: -48.0 MB). Peak memory consumption was 217.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 18909, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 45, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 36, TOOLS_POST_TIME[ms]: 768, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 298, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 20, TOOLS_QUANTIFIERELIM_APPLICATIONS: 49, TOOLS_QUANTIFIERELIM_TIME[ms]: 1053, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 374, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 51, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 9670, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 8012, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15096, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15095, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1009, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1009, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 140, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 48]: 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 96#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...