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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/egcd.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:27:50,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:27:50,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:27:50,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:27:50,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:27:50,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:27:50,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:27:50,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:27:50,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:27:50,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:27:50,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:27:50,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:27:50,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:27:50,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:27:50,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:27:50,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:27:50,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:27:50,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:27:50,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:27:50,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:27:50,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:27:50,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:27:50,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:27:50,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:27:50,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:27:50,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:27:50,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:27:50,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:27:50,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:27:50,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:27:50,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:27:50,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:27:50,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:27:50,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:27:50,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:27:50,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:27:50,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:27:50,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:27:50,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:27:50,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:27:50,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:27:50,937 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 [2019-09-18 11:27:50,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:27:50,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:27:50,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:27:50,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:27:50,953 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:27:50,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:27:50,953 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:27:50,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:27:50,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:27:50,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:27:50,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:27:50,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:27:50,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:27:50,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:27:50,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:27:50,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:27:50,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:27:50,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:27:50,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:27:50,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:27:50,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:27:50,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:27:50,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:27:50,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:27:50,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:27:50,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:27:50,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:27:50,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:27:50,958 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 -> SingleStatement 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 [2019-09-18 11:27:50,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:27:51,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:27:51,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:27:51,014 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:27:51,015 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:27:51,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/egcd.c [2019-09-18 11:27:51,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952c71f51/2d6ddd0b9975410c8e0be76d67463eb7/FLAG70dfe0638 [2019-09-18 11:27:51,579 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:27:51,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/egcd.c [2019-09-18 11:27:51,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952c71f51/2d6ddd0b9975410c8e0be76d67463eb7/FLAG70dfe0638 [2019-09-18 11:27:51,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952c71f51/2d6ddd0b9975410c8e0be76d67463eb7 [2019-09-18 11:27:51,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:27:51,919 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:27:51,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:27:51,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:27:51,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:27:51,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:27:51" (1/1) ... [2019-09-18 11:27:51,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2907802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:51, skipping insertion in model container [2019-09-18 11:27:51,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:27:51" (1/1) ... [2019-09-18 11:27:51,935 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:27:51,954 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:27:52,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:27:52,141 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:27:52,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:27:52,190 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:27:52,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52 WrapperNode [2019-09-18 11:27:52,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:27:52,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:27:52,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:27:52,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:27:52,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52" (1/1) ... [2019-09-18 11:27:52,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52" (1/1) ... [2019-09-18 11:27:52,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52" (1/1) ... [2019-09-18 11:27:52,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52" (1/1) ... [2019-09-18 11:27:52,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52" (1/1) ... [2019-09-18 11:27:52,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52" (1/1) ... [2019-09-18 11:27:52,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52" (1/1) ... [2019-09-18 11:27:52,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:27:52,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:27:52,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:27:52,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:27:52,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:52" (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 [2019-09-18 11:27:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:27:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:27:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:27:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:27:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:27:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:27:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 11:27:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:27:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:27:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:27:52,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:27:52,640 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:27:52,640 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-18 11:27:52,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:27:52 BoogieIcfgContainer [2019-09-18 11:27:52,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:27:52,642 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:27:52,643 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:27:52,643 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:27:52,655 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:27:52" (1/1) ... [2019-09-18 11:27:52,656 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 [2019-09-18 11:27:52,683 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:27:52,683 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:27:52,691 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:27:52,699 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:27:52,701 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:27:52,748 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 11:27:57,140 WARN L191 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2019-09-18 11:27:59,221 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 33 [2019-09-18 11:28:01,495 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-09-18 11:28:01,799 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-18 11:28:08,726 WARN L191 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2019-09-18 11:28:10,821 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 42 [2019-09-18 11:28:23,350 WARN L191 SmtUtils]: Spent 12.53 s on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2019-09-18 11:28:27,489 WARN L191 SmtUtils]: Spent 4.14 s on a formula simplification that was a NOOP. DAG size: 47 [2019-09-18 11:28:31,914 WARN L191 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-09-18 11:28:34,109 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 51 [2019-09-18 11:28:42,780 WARN L191 SmtUtils]: Spent 8.67 s on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-18 11:28:47,108 WARN L191 SmtUtils]: Spent 4.33 s on a formula simplification that was a NOOP. DAG size: 56 [2019-09-18 11:28:55,843 WARN L191 SmtUtils]: Spent 8.66 s on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2019-09-18 11:28:58,375 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 61 [2019-09-18 11:29:09,234 WARN L191 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-18 11:29:10,142 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 11:29:10,159 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:29:10,159 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:29:10,162 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 236#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 11:29:10,172 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:29:10,173 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:29:10,175 INFO L168 Benchmark]: Toolchain (without parser) took 78255.72 ms. Allocated memory was 131.6 MB in the beginning and 265.8 MB in the end (delta: 134.2 MB). Free memory was 86.7 MB in the beginning and 100.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2019-09-18 11:29:10,176 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:29:10,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.13 ms. Allocated memory is still 131.6 MB. Free memory was 86.5 MB in the beginning and 76.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:29:10,178 INFO L168 Benchmark]: Boogie Preprocessor took 120.32 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 76.6 MB in the beginning and 175.1 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-18 11:29:10,178 INFO L168 Benchmark]: RCFGBuilder took 329.80 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 160.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-09-18 11:29:10,179 INFO L168 Benchmark]: Sifa took 77530.70 ms. Allocated memory was 198.7 MB in the beginning and 265.8 MB in the end (delta: 67.1 MB). Free memory was 160.6 MB in the beginning and 100.5 MB in the end (delta: 60.0 MB). Peak memory consumption was 127.1 MB. Max. memory is 7.1 GB. [2019-09-18 11:29:10,183 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 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.13 ms. Allocated memory is still 131.6 MB. Free memory was 86.5 MB in the beginning and 76.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.32 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 76.6 MB in the beginning and 175.1 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.80 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 160.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Sifa took 77530.70 ms. Allocated memory was 198.7 MB in the beginning and 265.8 MB in the end (delta: 67.1 MB). Free memory was 160.6 MB in the beginning and 100.5 MB in the end (delta: 60.0 MB). Peak memory consumption was 127.1 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]: 77479, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 147, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 99, TOOLS_POST_TIME[ms]: 63, TOOLS_POST_CALL_APPLICATIONS: 43, TOOLS_POST_CALL_TIME[ms]: 555, TOOLS_POST_RETURN_APPLICATIONS: 35, TOOLS_POST_RETURN_TIME[ms]: 68, TOOLS_QUANTIFIERELIM_APPLICATIONS: 177, TOOLS_QUANTIFIERELIM_TIME[ms]: 614, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 42, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 155, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 23, DOMAIN_JOIN_TIME[ms]: 33554, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 43079, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME[ms]: 18, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 76848, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 76848, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 35, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 61, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 60, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 439, DAG_COMPRESSION_RETAINED_NODES: 128 - UnprovableResult [Line: 8]: 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 236#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...