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-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 13:23:54,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 13:23:54,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 13:23:54,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 13:23:54,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 13:23:54,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 13:23:54,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 13:23:54,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 13:23:54,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 13:23:54,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 13:23:54,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 13:23:54,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 13:23:54,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 13:23:54,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 13:23:54,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 13:23:54,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 13:23:54,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 13:23:54,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 13:23:54,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 13:23:54,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 13:23:54,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 13:23:54,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 13:23:54,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 13:23:54,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 13:23:54,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 13:23:54,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 13:23:54,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 13:23:54,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 13:23:54,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 13:23:54,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 13:23:54,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 13:23:54,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 13:23:54,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 13:23:54,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 13:23:54,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 13:23:54,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 13:23:54,970 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 13:23:54,989 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 13:23:54,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 13:23:54,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 13:23:54,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 13:23:54,992 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 13:23:54,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 13:23:54,992 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 13:23:54,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 13:23:54,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 13:23:54,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 13:23:54,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 13:23:54,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 13:23:54,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 13:23:54,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 13:23:54,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 13:23:54,994 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 13:23:54,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 13:23:54,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 13:23:54,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 13:23:54,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 13:23:54,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 13:23:54,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:23:54,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 13:23:54,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 13:23:54,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 13:23:54,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 13:23:54,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 13:23:54,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 13:23:54,998 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 13:23:55,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 13:23:55,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 13:23:55,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 13:23:55,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 13:23:55,071 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 13:23:55,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-06 13:23:55,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e93b9b1b/9dc9e1e7e7bc41d5a5bf1f24205cd058/FLAG92f2e8e04 [2019-09-06 13:23:55,651 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 13:23:55,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-06 13:23:55,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e93b9b1b/9dc9e1e7e7bc41d5a5bf1f24205cd058/FLAG92f2e8e04 [2019-09-06 13:23:55,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e93b9b1b/9dc9e1e7e7bc41d5a5bf1f24205cd058 [2019-09-06 13:23:55,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 13:23:55,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 13:23:55,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 13:23:55,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 13:23:55,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 13:23:55,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:23:55" (1/1) ... [2019-09-06 13:23:55,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2cf39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:55, skipping insertion in model container [2019-09-06 13:23:55,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:23:55" (1/1) ... [2019-09-06 13:23:55,992 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 13:23:56,049 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 13:23:56,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:23:56,294 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 13:23:56,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:23:56,494 INFO L192 MainTranslator]: Completed translation [2019-09-06 13:23:56,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56 WrapperNode [2019-09-06 13:23:56,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 13:23:56,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 13:23:56,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 13:23:56,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 13:23:56,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56" (1/1) ... [2019-09-06 13:23:56,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56" (1/1) ... [2019-09-06 13:23:56,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56" (1/1) ... [2019-09-06 13:23:56,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56" (1/1) ... [2019-09-06 13:23:56,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56" (1/1) ... [2019-09-06 13:23:56,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56" (1/1) ... [2019-09-06 13:23:56,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56" (1/1) ... [2019-09-06 13:23:56,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 13:23:56,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 13:23:56,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 13:23:56,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 13:23:56,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:23:56" (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 13:23:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 13:23:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 13:23:56,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 13:23:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 13:23:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 13:23:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 13:23:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 13:23:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 13:23:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 13:23:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 13:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 13:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 13:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 13:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 13:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 13:23:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 13:23:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 13:23:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 13:23:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 13:23:57,216 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 13:23:57,216 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 13:23:57,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:23:57 BoogieIcfgContainer [2019-09-06 13:23:57,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 13:23:57,219 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 13:23:57,219 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 13:23:57,219 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 13:23:57,221 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:23:57" (1/1) ... [2019-09-06 13:23:57,223 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 13:23:57,261 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 13:23:57,262 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 13:23:57,285 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 13:23:57,302 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 13:23:57,304 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 13:23:57,497 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 139 for LOIs [2019-09-06 13:27:36,938 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 13:27:36,938 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 13:27:36,941 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 495492#(or (and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~__return_6431~0 0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= main_~check__tmp~0 0) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= 0 ~__return_6431~0) (<= 0 main_~__tmp_1~0)) (and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= 0 ~__return_6431~0) (<= 0 main_~__tmp_1~0) (<= ~__return_6431~0 1))) [2019-09-06 13:27:36,957 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 13:27:36,957 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 13:27:36,960 INFO L168 Benchmark]: Toolchain (without parser) took 220982.44 ms. Allocated memory was 131.6 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 87.2 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 331.8 MB. Max. memory is 7.1 GB. [2019-09-06 13:27:36,961 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 13:27:36,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.89 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 173.3 MB in the end (delta: -86.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-06 13:27:36,963 INFO L168 Benchmark]: Boogie Preprocessor took 49.58 ms. Allocated memory is still 199.8 MB. Free memory was 173.3 MB in the beginning and 171.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-06 13:27:36,964 INFO L168 Benchmark]: RCFGBuilder took 672.12 ms. Allocated memory is still 199.8 MB. Free memory was 171.3 MB in the beginning and 136.3 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2019-09-06 13:27:36,965 INFO L168 Benchmark]: Sifa took 219738.33 ms. Allocated memory was 199.8 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 136.3 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 312.8 MB. Max. memory is 7.1 GB. [2019-09-06 13:27:36,969 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 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 518.89 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 173.3 MB in the end (delta: -86.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.58 ms. Allocated memory is still 199.8 MB. Free memory was 173.3 MB in the beginning and 171.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 672.12 ms. Allocated memory is still 199.8 MB. Free memory was 171.3 MB in the beginning and 136.3 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Sifa took 219738.33 ms. Allocated memory was 199.8 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 136.3 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 312.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 219680, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 363756, DAG_INTERPRETER_EARLY_EXITS: 2822, TOOLS_POST_APPLICATIONS: 351360, TOOLS_POST_TIME[ms]: 61607, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 78, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_TIME[ms]: 38653, FLUID_QUERY_TIME[ms]: 2055, FLUID_QUERIES: 364261, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 143939, DOMAIN_JOIN_TIME[ms]: 37004, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 188, DOMAIN_WIDEN_TIME[ms]: 62, DOMAIN_ISSUBSETEQ_APPLICATIONS: 505, DOMAIN_ISSUBSETEQ_TIME[ms]: 498, DOMAIN_ISBOTTOM_APPLICATIONS: 101755, DOMAIN_ISBOTTOM_TIME[ms]: 108593, LOOP_SUMMARIZER_APPLICATIONS: 317, LOOP_SUMMARIZER_CACHE_MISSES: 317, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 213793, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 213776, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 505, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 44, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 19, REGEX_TO_DAG_TIME[ms]: 31, DAG_COMPRESSION_TIME[ms]: 1095, DAG_COMPRESSION_PROCESSED_NODES: 71760, DAG_COMPRESSION_RETAINED_NODES: 24624 - UnprovableResult [Line: 200]: 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 495492#(or (and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= main_~main__c1~0 0) (<= ~__return_6431~0 0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= main_~check__tmp~0 0) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= 0 ~__return_6431~0) (<= 0 main_~__tmp_1~0)) (and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_1~0 1) (<= 0 main_~main__c1~0) (<= 0 ~__return_6431~0) (<= 0 main_~__tmp_1~0) (<= ~__return_6431~0 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...