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_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:33:14,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:33:14,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:33:14,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:33:14,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:33:14,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:33:14,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:33:14,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:33:14,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:33:14,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:33:14,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:33:14,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:33:14,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:33:14,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:33:14,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:33:14,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:33:14,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:33:14,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:33:14,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:33:14,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:33:14,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:33:14,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:33:14,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:33:14,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:33:14,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:33:14,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:33:14,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:33:14,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:33:14,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:33:14,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:33:14,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:33:14,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:33:14,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:33:14,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:33:14,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:33:14,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:33:14,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:33:14,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:33:14,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:33:14,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:33:14,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:33:14,388 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 12:33:14,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:33:14,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:33:14,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:33:14,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:33:14,411 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:33:14,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:33:14,411 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:33:14,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:33:14,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:33:14,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:33:14,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:33:14,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:33:14,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:33:14,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:33:14,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:33:14,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:33:14,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:33:14,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:33:14,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:33:14,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:33:14,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:33:14,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:33:14,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:33:14,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:33:14,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:33:14,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:33:14,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:33:14,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:33:14,416 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 12:33:14,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:33:14,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:33:14,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:33:14,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:33:14,466 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:33:14,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-06 12:33:14,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45ed2e80a/c49bc07e1fe740948e1e49a85709acfb/FLAG2b3ba7af9 [2019-09-06 12:33:15,058 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:33:15,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-06 12:33:15,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45ed2e80a/c49bc07e1fe740948e1e49a85709acfb/FLAG2b3ba7af9 [2019-09-06 12:33:15,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45ed2e80a/c49bc07e1fe740948e1e49a85709acfb [2019-09-06 12:33:15,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:33:15,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:33:15,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:33:15,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:33:15,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:33:15,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:15,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a379ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15, skipping insertion in model container [2019-09-06 12:33:15,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:15,389 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:33:15,444 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:33:15,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:33:15,760 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:33:15,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:33:15,971 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:33:15,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15 WrapperNode [2019-09-06 12:33:15,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:33:15,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:33:15,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:33:15,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:33:15,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:15,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:15,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:16,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:16,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:16,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:16,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15" (1/1) ... [2019-09-06 12:33:16,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:33:16,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:33:16,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:33:16,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:33:16,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:33:15" (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 12:33:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:33:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:33:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:33:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:33:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:33:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:33:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:33:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:33:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:33:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 12:33:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 12:33:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 12:33:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 12:33:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 12:33:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 12:33:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 12:33:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:33:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:33:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:33:16,869 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:33:16,869 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 12:33:16,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:33:16 BoogieIcfgContainer [2019-09-06 12:33:16,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:33:16,872 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:33:16,872 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:33:16,872 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:33:16,874 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:33:16" (1/1) ... [2019-09-06 12:33:16,876 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 12:33:16,914 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:33:16,914 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:33:16,922 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:33:16,932 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:33:16,933 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:33:17,094 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 233 for LOIs [2019-09-06 12:41:12,683 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 12:41:12,684 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 12:41:12,686 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 580890#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= 0 ~__return_1897~0) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= main_~__tmp_1~0 1) (<= ~__return_1897~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_1~0) (<= 0 main_~assert__arg~0)) [2019-09-06 12:41:12,704 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 12:41:12,704 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 12:41:12,707 INFO L168 Benchmark]: Toolchain (without parser) took 477333.83 ms. Allocated memory was 136.8 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 83.3 MB in the beginning and 1.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-09-06 12:41:12,709 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 12:41:12,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.59 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 83.1 MB in the beginning and 171.0 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-06 12:41:12,711 INFO L168 Benchmark]: Boogie Preprocessor took 61.98 ms. Allocated memory is still 198.2 MB. Free memory was 171.0 MB in the beginning and 168.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-06 12:41:12,711 INFO L168 Benchmark]: RCFGBuilder took 836.25 ms. Allocated memory is still 198.2 MB. Free memory was 168.3 MB in the beginning and 115.1 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. [2019-09-06 12:41:12,712 INFO L168 Benchmark]: Sifa took 475832.79 ms. Allocated memory was 198.2 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 115.1 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-09-06 12:41:12,717 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.59 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 83.1 MB in the beginning and 171.0 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.98 ms. Allocated memory is still 198.2 MB. Free memory was 171.0 MB in the beginning and 168.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 836.25 ms. Allocated memory is still 198.2 MB. Free memory was 168.3 MB in the beginning and 115.1 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. * Sifa took 475832.79 ms. Allocated memory was 198.2 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 115.1 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 475773, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 430061, DAG_INTERPRETER_EARLY_EXITS: 6750, TOOLS_POST_APPLICATIONS: 417697, TOOLS_POST_TIME[ms]: 114370, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 80, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_TIME[ms]: 60555, FLUID_QUERY_TIME[ms]: 5055, FLUID_QUERIES: 430399, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 163127, DOMAIN_JOIN_TIME[ms]: 111043, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 61, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 338, DOMAIN_ISSUBSETEQ_TIME[ms]: 95, DOMAIN_ISBOTTOM_APPLICATIONS: 116907, DOMAIN_ISBOTTOM_TIME[ms]: 216539, LOOP_SUMMARIZER_APPLICATIONS: 277, LOOP_SUMMARIZER_CACHE_MISSES: 277, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 87511, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 87486, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 338, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 37, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 17, REGEX_TO_DAG_TIME[ms]: 1224, DAG_COMPRESSION_TIME[ms]: 15396, DAG_COMPRESSION_PROCESSED_NODES: 1405730, DAG_COMPRESSION_RETAINED_NODES: 666575 - UnprovableResult [Line: 363]: 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 580890#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= 0 ~__return_1897~0) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= main_~__tmp_1~0 1) (<= ~__return_1897~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_1~0) (<= 0 main_~assert__arg~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...