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.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:13:14,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:13:14,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:13:14,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:13:14,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:13:14,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:13:14,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:13:14,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:13:14,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:13:14,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:13:14,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:13:14,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:13:14,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:13:14,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:13:14,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:13:14,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:13:14,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:13:14,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:13:14,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:13:14,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:13:14,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:13:14,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:13:14,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:13:14,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:13:14,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:13:14,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:13:14,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:13:14,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:13:14,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:13:14,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:13:14,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:13:14,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:13:14,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:13:14,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:13:14,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:13:14,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:13:14,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:13:14,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:13:14,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:13:14,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:13:14,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:13:14,725 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 14:13:14,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:13:14,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:13:14,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:13:14,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:13:14,742 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:13:14,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:13:14,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:13:14,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:13:14,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:13:14,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:13:14,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:13:14,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:13:14,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:13:14,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:13:14,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:13:14,744 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:13:14,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:13:14,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:13:14,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:13:14,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:13:14,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:13:14,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:13:14,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:13:14,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:13:14,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:13:14,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:13:14,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:13:14,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:13:14,748 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 14:13:14,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:13:14,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:13:14,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:13:14,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:13:14,817 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:13:14,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-06 14:13:14,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79399b93f/f75456b2946148849c415f7d3e703bc9/FLAG760fdf7ff [2019-09-06 14:13:15,381 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:13:15,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-06 14:13:15,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79399b93f/f75456b2946148849c415f7d3e703bc9/FLAG760fdf7ff [2019-09-06 14:13:15,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79399b93f/f75456b2946148849c415f7d3e703bc9 [2019-09-06 14:13:15,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:13:15,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:13:15,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:13:15,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:13:15,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:13:15,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:13:15" (1/1) ... [2019-09-06 14:13:15,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d10ee34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:15, skipping insertion in model container [2019-09-06 14:13:15,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:13:15" (1/1) ... [2019-09-06 14:13:15,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:13:15,786 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:13:16,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:13:16,199 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:13:16,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:13:16,336 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:13:16,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16 WrapperNode [2019-09-06 14:13:16,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:13:16,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:13:16,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:13:16,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:13:16,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16" (1/1) ... [2019-09-06 14:13:16,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16" (1/1) ... [2019-09-06 14:13:16,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16" (1/1) ... [2019-09-06 14:13:16,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16" (1/1) ... [2019-09-06 14:13:16,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16" (1/1) ... [2019-09-06 14:13:16,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16" (1/1) ... [2019-09-06 14:13:16,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16" (1/1) ... [2019-09-06 14:13:16,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:13:16,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:13:16,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:13:16,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:13:16,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:13:16" (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 14:13:16,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:13:16,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:13:16,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:13:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:13:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:13:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:13:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:13:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:13:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:13:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:13:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 14:13:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 14:13:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-06 14:13:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-09-06 14:13:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:13:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:13:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:13:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:13:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:13:17,240 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:13:17,240 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:13:17,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:13:17 BoogieIcfgContainer [2019-09-06 14:13:17,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:13:17,242 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:13:17,243 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:13:17,243 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:13:17,244 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:13:17" (1/1) ... [2019-09-06 14:13:17,245 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 14:13:17,281 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:13:17,281 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:13:17,290 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:13:17,304 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:13:17,306 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:13:17,505 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 256 for LOIs [2019-09-06 14:23:57,378 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:23:57,379 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:23:57,381 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1575792#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode1~0) (<= ~__return_28448~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= 0 ~__return_28448~0) (<= ~mode7~0 1) (<= 0 ~mode6~0) (<= main_~__tmp_1~0 1) (<= ~mode6~0 1) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0) (<= 0 ~mode7~0)) [2019-09-06 14:23:57,397 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:23:57,397 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:23:57,400 INFO L168 Benchmark]: Toolchain (without parser) took 641689.73 ms. Allocated memory was 133.7 MB in the beginning and 3.2 GB in the end (delta: 3.1 GB). Free memory was 89.1 MB in the beginning and 548.8 MB in the end (delta: -459.7 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-09-06 14:23:57,401 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 14:23:57,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.68 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.9 MB in the beginning and 172.1 MB in the end (delta: -83.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-09-06 14:23:57,403 INFO L168 Benchmark]: Boogie Preprocessor took 63.41 ms. Allocated memory is still 201.3 MB. Free memory was 172.1 MB in the beginning and 169.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-06 14:23:57,404 INFO L168 Benchmark]: RCFGBuilder took 837.73 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 112.0 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB. [2019-09-06 14:23:57,405 INFO L168 Benchmark]: Sifa took 640155.67 ms. Allocated memory was 201.3 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 112.0 MB in the beginning and 548.8 MB in the end (delta: -436.8 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-09-06 14:23:57,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 625.68 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.9 MB in the beginning and 172.1 MB in the end (delta: -83.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.41 ms. Allocated memory is still 201.3 MB. Free memory was 172.1 MB in the beginning and 169.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 837.73 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 112.0 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB. * Sifa took 640155.67 ms. Allocated memory was 201.3 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 112.0 MB in the beginning and 548.8 MB in the end (delta: -436.8 MB). Peak memory consumption was 2.6 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]: 640101, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1123411, DAG_INTERPRETER_EARLY_EXITS: 43450, TOOLS_POST_APPLICATIONS: 1097830, TOOLS_POST_TIME[ms]: 158903, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 88, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_TIME[ms]: 90207, FLUID_QUERY_TIME[ms]: 9464, FLUID_QUERIES: 1127325, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 477906, DOMAIN_JOIN_TIME[ms]: 105492, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 51, DOMAIN_WIDEN_TIME[ms]: 27, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3914, DOMAIN_ISSUBSETEQ_TIME[ms]: 144, DOMAIN_ISBOTTOM_APPLICATIONS: 316676, DOMAIN_ISBOTTOM_TIME[ms]: 324421, LOOP_SUMMARIZER_APPLICATIONS: 3863, LOOP_SUMMARIZER_CACHE_MISSES: 3863, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 517308, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 517184, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3914, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 45, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 22, REGEX_TO_DAG_TIME[ms]: 1111, DAG_COMPRESSION_TIME[ms]: 13514, DAG_COMPRESSION_PROCESSED_NODES: 1146545, DAG_COMPRESSION_RETAINED_NODES: 500547 - UnprovableResult [Line: 379]: 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 1575792#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode1~0) (<= ~__return_28448~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= 0 ~__return_28448~0) (<= ~mode7~0 1) (<= 0 ~mode6~0) (<= main_~__tmp_1~0 1) (<= ~mode6~0 1) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0) (<= 0 ~mode7~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...