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/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:27:59,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:27:59,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:27:59,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:27:59,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:27:59,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:27:59,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:27:59,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:27:59,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:27:59,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:27:59,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:27:59,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:27:59,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:27:59,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:27:59,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:27:59,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:27:59,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:27:59,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:27:59,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:27:59,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:27:59,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:27:59,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:27:59,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:27:59,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:27:59,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:27:59,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:27:59,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:27:59,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:27:59,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:27:59,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:27:59,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:27:59,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:27:59,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:27:59,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:27:59,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:27:59,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:27:59,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:27:59,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:27:59,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:27:59,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:27:59,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:27:59,922 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 18:27:59,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:27:59,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:27:59,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:27:59,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:27:59,943 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:27:59,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:27:59,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:27:59,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:27:59,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:27:59,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:27:59,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:27:59,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:27:59,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:27:59,946 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:27:59,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:27:59,947 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:27:59,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:27:59,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:27:59,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:27:59,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:27:59,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:27:59,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:27:59,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:27:59,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:27:59,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:27:59,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:27:59,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:27:59,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:27:59,950 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 18:28:00,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:28:00,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:28:00,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:28:00,022 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:28:00,023 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:28:00,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-09-20 18:28:00,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f175728/51e2e3e84106469b8fa2b8e8df12662f/FLAG1be655895 [2019-09-20 18:28:00,503 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:28:00,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-09-20 18:28:00,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f175728/51e2e3e84106469b8fa2b8e8df12662f/FLAG1be655895 [2019-09-20 18:28:00,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f175728/51e2e3e84106469b8fa2b8e8df12662f [2019-09-20 18:28:00,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:28:00,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:28:00,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:28:00,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:28:00,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:28:00,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:28:00" (1/1) ... [2019-09-20 18:28:00,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63923cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:00, skipping insertion in model container [2019-09-20 18:28:00,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:28:00" (1/1) ... [2019-09-20 18:28:00,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:28:00,986 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:28:01,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:28:01,224 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:28:01,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:28:01,264 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:28:01,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01 WrapperNode [2019-09-20 18:28:01,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:28:01,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:28:01,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:28:01,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:28:01,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01" (1/1) ... [2019-09-20 18:28:01,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01" (1/1) ... [2019-09-20 18:28:01,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01" (1/1) ... [2019-09-20 18:28:01,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01" (1/1) ... [2019-09-20 18:28:01,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01" (1/1) ... [2019-09-20 18:28:01,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01" (1/1) ... [2019-09-20 18:28:01,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01" (1/1) ... [2019-09-20 18:28:01,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:28:01,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:28:01,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:28:01,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:28:01,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:01" (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 18:28:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:28:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:28:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-20 18:28:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 18:28:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:28:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:28:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-20 18:28:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:28:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:28:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:28:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 18:28:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:28:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:28:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:28:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:28:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:28:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:28:01,779 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:28:01,779 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 18:28:01,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:28:01 BoogieIcfgContainer [2019-09-20 18:28:01,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:28:01,781 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:28:01,781 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:28:01,782 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:28:01,784 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:28:01" (1/1) ... [2019-09-20 18:28:01,785 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 18:28:01,811 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:28:01,812 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:28:01,820 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:28:01,831 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:28:01,833 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:28:02,026 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 18:28:02,795 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 18:28:03,479 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 18:28:04,125 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 18:28:04,566 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 18:28:05,036 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 18:28:05,580 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 18:28:06,397 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 18:28:06,711 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-20 18:28:07,448 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-20 18:28:08,057 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2019-09-20 18:28:08,402 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2019-09-20 18:28:08,560 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 18:28:09,275 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-20 18:28:10,922 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-09-20 18:28:11,301 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 18:28:12,098 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 18:28:12,723 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 18:28:13,305 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 18:28:13,877 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 18:28:14,386 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 18:28:14,815 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 18:28:15,692 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-20 18:28:16,097 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 18:28:16,479 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 18:28:16,975 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-20 18:28:17,245 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 18:28:17,490 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 18:28:17,728 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 18:28:17,728 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:28:17,728 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:28:17,731 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 36#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (or (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|) (not (= |main_~#b~0.base| 0)) (= 0 (select (select |#memory_int| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (not (= |main_~#b~0.base| 0)) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (and (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))))) [2019-09-20 18:28:17,744 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:28:17,744 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:28:17,746 INFO L168 Benchmark]: Toolchain (without parser) took 16796.59 ms. Allocated memory was 134.7 MB in the beginning and 335.0 MB in the end (delta: 200.3 MB). Free memory was 90.3 MB in the beginning and 208.5 MB in the end (delta: -118.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:17,747 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:28:17,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.62 ms. Allocated memory is still 134.7 MB. Free memory was 90.1 MB in the beginning and 80.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:17,749 INFO L168 Benchmark]: Boogie Preprocessor took 126.85 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 80.2 MB in the beginning and 176.7 MB in the end (delta: -96.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:17,749 INFO L168 Benchmark]: RCFGBuilder took 388.21 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 157.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:17,750 INFO L168 Benchmark]: Sifa took 15963.02 ms. Allocated memory was 200.8 MB in the beginning and 335.0 MB in the end (delta: 134.2 MB). Free memory was 157.6 MB in the beginning and 208.5 MB in the end (delta: -50.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:17,754 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 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.62 ms. Allocated memory is still 134.7 MB. Free memory was 90.1 MB in the beginning and 80.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.85 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 80.2 MB in the beginning and 176.7 MB in the end (delta: -96.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.21 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 157.6 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Sifa took 15963.02 ms. Allocated memory was 200.8 MB in the beginning and 335.0 MB in the end (delta: 134.2 MB). Free memory was 157.6 MB in the beginning and 208.5 MB in the end (delta: -50.9 MB). Peak memory consumption was 83.3 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]: 15919, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 19, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 9143, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 3003, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 1798, TOOLS_QUANTIFIERELIM_APPLICATIONS: 22, TOOLS_QUANTIFIERELIM_TIME[ms]: 13921, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5176, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 19, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 1881, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1075, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1074, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 55, DAG_COMPRESSION_RETAINED_NODES: 33 - UnprovableResult [Line: 44]: 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 36#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (or (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|) (not (= |main_~#b~0.base| 0)) (= 0 (select (select |#memory_int| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (not (= |main_~#b~0.base| 0)) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (and (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...