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_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:06:12,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:06:12,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:06:12,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:06:12,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:06:12,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:06:12,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:06:12,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:06:12,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:06:12,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:06:12,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:06:12,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:06:12,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:06:12,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:06:12,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:06:12,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:06:12,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:06:12,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:06:12,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:06:12,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:06:12,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:06:12,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:06:12,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:06:12,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:06:12,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:06:12,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:06:12,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:06:12,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:06:12,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:06:12,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:06:12,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:06:12,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:06:12,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:06:12,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:06:12,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:06:12,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:06:12,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:06:12,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:06:12,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:06:12,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:06:12,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:06:12,442 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 14:06:12,456 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:06:12,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:06:12,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:06:12,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:06:12,458 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:06:12,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:06:12,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:06:12,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:06:12,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:06:12,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:06:12,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:06:12,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:06:12,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:06:12,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:06:12,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:06:12,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:06:12,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:06:12,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:06:12,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:06:12,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:06:12,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:06:12,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:06:12,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:06:12,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:06:12,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:06:12,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:06:12,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:06:12,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:06:12,463 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 14:06:12,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:06:12,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:06:12,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:06:12,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:06:12,512 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:06:12,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:06:12,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25474051/22b5a564e6b04de7bbdb20e2627fbfb8/FLAGca0acc682 [2019-09-06 14:06:13,154 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:06:13,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:06:13,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25474051/22b5a564e6b04de7bbdb20e2627fbfb8/FLAGca0acc682 [2019-09-06 14:06:13,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25474051/22b5a564e6b04de7bbdb20e2627fbfb8 [2019-09-06 14:06:13,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:06:13,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:06:13,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:06:13,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:06:13,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:06:13,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:06:13" (1/1) ... [2019-09-06 14:06:13,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc34360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:13, skipping insertion in model container [2019-09-06 14:06:13,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:06:13" (1/1) ... [2019-09-06 14:06:13,421 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:06:13,488 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:06:13,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:06:13,952 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:06:14,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:06:14,103 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:06:14,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14 WrapperNode [2019-09-06 14:06:14,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:06:14,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:06:14,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:06:14,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:06:14,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14" (1/1) ... [2019-09-06 14:06:14,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14" (1/1) ... [2019-09-06 14:06:14,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14" (1/1) ... [2019-09-06 14:06:14,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14" (1/1) ... [2019-09-06 14:06:14,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14" (1/1) ... [2019-09-06 14:06:14,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14" (1/1) ... [2019-09-06 14:06:14,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14" (1/1) ... [2019-09-06 14:06:14,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:06:14,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:06:14,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:06:14,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:06:14,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:06:14" (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 14:06:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:06:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:06:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:06:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:06:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:06:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:06:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:06:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:06:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:06:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:06:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:06:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:06:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:06:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:06:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:06:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 14:06:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-06 14:06:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:06:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:06:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:06:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:06:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:06:15,246 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:06:15,246 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:06:15,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:06:15 BoogieIcfgContainer [2019-09-06 14:06:15,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:06:15,249 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:06:15,249 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:06:15,249 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:06:15,250 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:06:15" (1/1) ... [2019-09-06 14:06:15,251 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 14:06:15,283 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:06:15,286 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:06:15,312 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:06:15,326 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:06:15,328 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:06:15,494 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 228 for LOIs [2019-09-06 14:07:11,760 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:07:11,760 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:07:11,762 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 66136#(or (and (<= 0 main_~__tmp_2~0) (<= 0 ~__return_13554~0) (<= ~mode3~0 1) (<= 0 main_~assert__arg~1) (<= main_~check__tmp~1 0) (<= main_~main__c1~0 0) (<= main_~assert__arg~1 1) (<= 0 main_~check__tmp~1) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= 0 ~mode6~0) (<= main_~__tmp_2~0 1) (<= ~__return_13554~0 0) (<= ~mode6~0 1) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0)) (and (<= 0 main_~__tmp_2~0) (<= 0 ~__return_13554~0) (<= ~mode3~0 1) (<= 0 main_~assert__arg~1) (<= main_~check__tmp~1 1) (<= ~__return_13554~0 1) (<= main_~assert__arg~1 1) (<= 0 main_~check__tmp~1) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode6~0) (<= main_~__tmp_2~0 1) (<= ~mode6~0 1) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0))) [2019-09-06 14:07:11,776 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:07:11,777 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:07:11,780 INFO L168 Benchmark]: Toolchain (without parser) took 58377.75 ms. Allocated memory was 134.7 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 89.8 MB in the beginning and 1.0 GB in the end (delta: -921.7 MB). Peak memory consumption was 334.0 MB. Max. memory is 7.1 GB. [2019-09-06 14:07:11,781 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 14:07:11,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.41 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.6 MB in the beginning and 170.8 MB in the end (delta: -81.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-09-06 14:07:11,782 INFO L168 Benchmark]: Boogie Preprocessor took 65.16 ms. Allocated memory is still 201.3 MB. Free memory was 170.8 MB in the beginning and 167.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-06 14:07:11,783 INFO L168 Benchmark]: RCFGBuilder took 1078.82 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 95.1 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-09-06 14:07:11,784 INFO L168 Benchmark]: Sifa took 56528.36 ms. Allocated memory was 201.3 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 95.1 MB in the beginning and 1.0 GB in the end (delta: -916.3 MB). Peak memory consumption was 272.7 MB. Max. memory is 7.1 GB. [2019-09-06 14:07:11,788 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 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.41 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.6 MB in the beginning and 170.8 MB in the end (delta: -81.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.16 ms. Allocated memory is still 201.3 MB. Free memory was 170.8 MB in the beginning and 167.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1078.82 ms. Allocated memory is still 201.3 MB. Free memory was 167.6 MB in the beginning and 95.1 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. * Sifa took 56528.36 ms. Allocated memory was 201.3 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 95.1 MB in the beginning and 1.0 GB in the end (delta: -916.3 MB). Peak memory consumption was 272.7 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]: 56480, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 49289, DAG_INTERPRETER_EARLY_EXITS: 4211, TOOLS_POST_APPLICATIONS: 49154, TOOLS_POST_TIME[ms]: 12400, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 77, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_TIME[ms]: 7583, FLUID_QUERY_TIME[ms]: 620, FLUID_QUERIES: 49303, FLUID_YES_ANSWERS: 136, DOMAIN_JOIN_APPLICATIONS: 16834, DOMAIN_JOIN_TIME[ms]: 4873, DOMAIN_ALPHA_APPLICATIONS: 136, DOMAIN_ALPHA_TIME[ms]: 6621, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 19244, DOMAIN_ISBOTTOM_TIME[ms]: 25689, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15620, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15598, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 36, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 29, REGEX_TO_DAG_TIME[ms]: 64, DAG_COMPRESSION_TIME[ms]: 3922, DAG_COMPRESSION_PROCESSED_NODES: 327023, DAG_COMPRESSION_RETAINED_NODES: 115817 - UnprovableResult [Line: 473]: 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 66136#(or (and (<= 0 main_~__tmp_2~0) (<= 0 ~__return_13554~0) (<= ~mode3~0 1) (<= 0 main_~assert__arg~1) (<= main_~check__tmp~1 0) (<= main_~main__c1~0 0) (<= main_~assert__arg~1 1) (<= 0 main_~check__tmp~1) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= 0 ~mode6~0) (<= main_~__tmp_2~0 1) (<= ~__return_13554~0 0) (<= ~mode6~0 1) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0)) (and (<= 0 main_~__tmp_2~0) (<= 0 ~__return_13554~0) (<= ~mode3~0 1) (<= 0 main_~assert__arg~1) (<= main_~check__tmp~1 1) (<= ~__return_13554~0 1) (<= main_~assert__arg~1 1) (<= 0 main_~check__tmp~1) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode6~0) (<= main_~__tmp_2~0 1) (<= ~mode6~0 1) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...