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.5.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 13:46:10,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 13:46:10,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 13:46:10,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 13:46:10,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 13:46:10,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 13:46:10,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 13:46:10,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 13:46:10,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 13:46:10,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 13:46:10,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 13:46:10,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 13:46:10,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 13:46:10,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 13:46:10,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 13:46:10,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 13:46:10,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 13:46:10,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 13:46:10,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 13:46:10,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 13:46:10,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 13:46:10,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 13:46:10,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 13:46:10,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 13:46:10,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 13:46:10,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 13:46:10,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 13:46:10,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 13:46:10,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 13:46:10,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 13:46:10,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 13:46:10,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 13:46:10,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 13:46:10,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 13:46:10,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 13:46:10,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 13:46:10,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 13:46:10,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 13:46:10,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 13:46:10,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 13:46:10,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 13:46:10,606 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 13:46:10,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 13:46:10,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 13:46:10,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 13:46:10,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 13:46:10,626 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 13:46:10,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 13:46:10,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 13:46:10,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 13:46:10,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 13:46:10,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 13:46:10,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 13:46:10,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 13:46:10,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 13:46:10,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 13:46:10,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 13:46:10,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 13:46:10,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 13:46:10,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 13:46:10,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 13:46:10,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 13:46:10,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 13:46:10,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 13:46:10,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 13:46:10,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 13:46:10,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 13:46:10,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 13:46:10,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 13:46:10,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 13:46:10,631 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 13:46:10,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 13:46:10,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 13:46:10,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 13:46:10,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 13:46:10,680 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 13:46:10,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-06 13:46:10,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe41937e/aba2a5b5cb72490aaca6da937e67d1bd/FLAG0d22e1d14 [2019-09-06 13:46:11,286 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 13:46:11,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-06 13:46:11,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe41937e/aba2a5b5cb72490aaca6da937e67d1bd/FLAG0d22e1d14 [2019-09-06 13:46:11,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe41937e/aba2a5b5cb72490aaca6da937e67d1bd [2019-09-06 13:46:11,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 13:46:11,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 13:46:11,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 13:46:11,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 13:46:11,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 13:46:11,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:46:11" (1/1) ... [2019-09-06 13:46:11,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb9c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:11, skipping insertion in model container [2019-09-06 13:46:11,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 01:46:11" (1/1) ... [2019-09-06 13:46:11,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 13:46:11,679 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 13:46:11,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:46:12,060 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 13:46:12,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 13:46:12,214 INFO L192 MainTranslator]: Completed translation [2019-09-06 13:46:12,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12 WrapperNode [2019-09-06 13:46:12,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 13:46:12,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 13:46:12,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 13:46:12,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 13:46:12,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12" (1/1) ... [2019-09-06 13:46:12,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12" (1/1) ... [2019-09-06 13:46:12,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12" (1/1) ... [2019-09-06 13:46:12,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12" (1/1) ... [2019-09-06 13:46:12,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12" (1/1) ... [2019-09-06 13:46:12,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12" (1/1) ... [2019-09-06 13:46:12,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12" (1/1) ... [2019-09-06 13:46:12,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 13:46:12,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 13:46:12,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 13:46:12,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 13:46:12,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 01:46:12" (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 13:46:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 13:46:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 13:46:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 13:46:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 13:46:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 13:46:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 13:46:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 13:46:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 13:46:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 13:46:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 13:46:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 13:46:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 13:46:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 13:46:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 13:46:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 13:46:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-06 13:46:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 13:46:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 13:46:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 13:46:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 13:46:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 13:46:13,109 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 13:46:13,110 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 13:46:13,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:46:13 BoogieIcfgContainer [2019-09-06 13:46:13,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 13:46:13,112 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 13:46:13,113 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 13:46:13,113 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 13:46:13,115 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 01:46:13" (1/1) ... [2019-09-06 13:46:13,116 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 13:46:13,141 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 13:46:13,142 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 13:46:13,157 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 13:46:13,170 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 13:46:13,172 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 13:46:13,313 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 215 for LOIs [2019-09-06 13:47:11,557 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 13:47:11,558 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 13:47:11,560 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 138214#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~__return_33314~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_1~0 1) (<= 0 ~__return_33314~0) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0)) [2019-09-06 13:47:11,580 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 13:47:11,580 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 13:47:11,583 INFO L168 Benchmark]: Toolchain (without parser) took 59972.40 ms. Allocated memory was 132.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 85.8 MB in the beginning and 44.3 MB in the end (delta: 41.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-09-06 13:47:11,583 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 13:47:11,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.20 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 85.4 MB in the beginning and 170.9 MB in the end (delta: -85.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-09-06 13:47:11,585 INFO L168 Benchmark]: Boogie Preprocessor took 73.98 ms. Allocated memory is still 199.2 MB. Free memory was 170.9 MB in the beginning and 168.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-06 13:47:11,586 INFO L168 Benchmark]: RCFGBuilder took 821.86 ms. Allocated memory is still 199.2 MB. Free memory was 167.8 MB in the beginning and 116.9 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. [2019-09-06 13:47:11,587 INFO L168 Benchmark]: Sifa took 58468.02 ms. Allocated memory was 199.2 MB in the beginning and 1.2 GB in the end (delta: 960.5 MB). Free memory was 116.9 MB in the beginning and 44.3 MB in the end (delta: 72.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-09-06 13:47:11,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 605.20 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 85.4 MB in the beginning and 170.9 MB in the end (delta: -85.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.98 ms. Allocated memory is still 199.2 MB. Free memory was 170.9 MB in the beginning and 168.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 821.86 ms. Allocated memory is still 199.2 MB. Free memory was 167.8 MB in the beginning and 116.9 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 7.1 GB. * Sifa took 58468.02 ms. Allocated memory was 199.2 MB in the beginning and 1.2 GB in the end (delta: 960.5 MB). Free memory was 116.9 MB in the beginning and 44.3 MB in the end (delta: 72.6 MB). Peak memory consumption was 1.0 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]: 58419, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 95723, DAG_INTERPRETER_EARLY_EXITS: 334, TOOLS_POST_APPLICATIONS: 95470, TOOLS_POST_TIME[ms]: 13338, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 56, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 7476, FLUID_QUERY_TIME[ms]: 706, FLUID_QUERIES: 95790, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 42709, DOMAIN_JOIN_TIME[ms]: 10588, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 30, DOMAIN_WIDEN_TIME[ms]: 22, DOMAIN_ISSUBSETEQ_APPLICATIONS: 67, DOMAIN_ISSUBSETEQ_TIME[ms]: 87, DOMAIN_ISBOTTOM_APPLICATIONS: 26051, DOMAIN_ISBOTTOM_TIME[ms]: 29294, LOOP_SUMMARIZER_APPLICATIONS: 37, LOOP_SUMMARIZER_CACHE_MISSES: 37, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43552, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43548, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 67, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 42, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 19, REGEX_TO_DAG_TIME[ms]: 39, DAG_COMPRESSION_TIME[ms]: 1490, DAG_COMPRESSION_PROCESSED_NODES: 98939, DAG_COMPRESSION_RETAINED_NODES: 29850 - UnprovableResult [Line: 302]: 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 138214#(and (<= 0 main_~check__tmp~0) (<= main_~assert__arg~0 1) (<= ~__return_33314~0 1) (<= ~mode3~0 1) (<= main_~check__tmp~0 1) (<= 0 ~mode3~0) (<= 0 ~mode2~0) (<= 0 main_~assert__arg~0) (<= ~mode2~0 1) (<= ~mode4~0 1) (<= main_~main__c1~0 1) (<= main_~__tmp_1~0 1) (<= 0 ~__return_33314~0) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 main_~main__c1~0) (<= 0 ~mode4~0) (<= 0 main_~__tmp_1~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...